Sector Leaders & Laggards
Gaining Sectors
Electronic Equipment & Instruments+9.28%
Semiconductors & Semiconductor Equipment+5.15%
Interactive Media & Services+3.73%
Declining Sectors
Internet & Catalog Retail-8.17%
Broadcasting & Entertainment-3.20%
79 sectors · 43 up · 0 flat · 36 down · up sectors increased by 8 from 35 the prior day
Stationery -4.29% · one-stock sector Sector-index return equals the single stock’s return · rank shown as is
Venture Capital +5.91% · previous session -0.97% rebounded · 42 up and 21 down among 90 stocks
Sector Read
01inside Electronic Equipment & Instruments +9.28%
The sector leader and the stock inside it · Sector · Theme · Stock classification shown explicitly
| Name | Category | Change |
| Samsung Electro-Mechanics | Stock | +12.58% |
| Electronic Equipment & Instruments | Sector | +9.28% |
| MLCC MLCC · a component that smooths current flow · used more heavily in AI servers | Theme | +2.98% |
| Semiconductor Substrates | Theme | +2.61% |
Electronic Equipment & Instruments · prior day +5.07% → today +9.28% · No. 1 among 79 sectors
54 up · 7 flat · 45 down among 106 stocks · breadth advantage was shallow
Samsung Electro-Mechanics close KRW1,503,000 · market cap KRW112.3tn · No. 5
Catalyst · Morgan Stanley replaced Samsung Electronics with Samsung Electro-Mechanics as its top pick among Korean tech stocks · target price KRW2.56mn → KRW2.62mn
Rationale · high-capacitance MLCCs for AI servers MLCC MLCC · a component that smooths current flow · used more heavily in AI servers price strength · ABF substrate High-end printed circuit board connecting semiconductor chips to substrates · AI chips require larger area and higher complexity demand improvement
Market-cap weighted Sector indexes weight stocks in proportion to market cap · larger stocks exert more influence Effect · Aug. 10 Semiconductors · Aug. 11 Aerospace & Defense · Aug. 12 Electronic Products · Aug. 13 Electronic Equipment & Instruments
The No. 1 sector changed for a third straight day · each time one heavyweight stock set the direction
Check sector-index direction separately from stock count · a pattern repeated recently
02Semiconductors · gain held · number of advancers shrank
Bellwethers vs. Suppliers · Sector/theme classification shown explicitly
| Name | Category | Change |
| Leading Semiconductor Stocks (Production) | Theme | +5.22% |
| Semiconductors & Semiconductor Equipment | Sector | +5.15% |
| S7 A thematic basket grouping seven large-cap semiconductor stocks, including Samsung Electronics and SK Hynix(Large-Cap Semiconductors) | Theme | +4.55% |
| HBM High Bandwidth Memory · stacked architecture widens data pathways · used in AI servers | Theme | +1.60% |
| Semiconductor Equipment | Theme | +1.33% |
| Semiconductor Materials/Components | Theme | -0.48% |
Semiconductors & Semiconductor Equipment · previous session +5.98% → today +5.15% · third straight day higher
87 up · 9 flat · 75 down among 171 stocks · advancers fell by 42 from 129 the prior day
Large-Cap Theme +5.22% · +4.55% vs. Materials, Parts & Equipment Materials, Parts & Equipment · suppliers of materials and equipment to major semiconductor producers series +1.33% · -0.48%
Short Selling Sell borrowed shares → bet on a decline · turnover basis No. 1 turnover Samsung Electronics KRW773.4bn (6.3% share) · No. 2 SK Hynix KRW321.8bn (3.2%)
Sector index held a 5%-plus gain · advancers fell 129 → 87
Breadth narrowed while strength remained in large caps · divergence widened from the prior day
03Sectors that swapped places
One day after the prior session's leaders and laggards · All sector-weighted values
| Sector | 08.12 | 08.13 |
| Internet & Catalog Retail | +11.06% | -8.17% |
| Consumer Electronics | +12.40% | +0.70% |
| Electric Utilities | +0.51% | -4.88% |
| Pharmaceuticals | -3.17% | +0.41% |
Internet & Catalog Retail · prior day +11.06% after -8.17% gave back gains · 1 up and 5 down among 6 stocks · last among 79 sectors
Electronic Products · fell from No. 1 the prior day to No. 30 today · 9 up and 5 down among 16 stocks
Electric Utilities · Korea Electric Power target-price cut report · KRW53,000 → KRW48,000 · Q2 operating profit missed market expectations
Korea Electric Power · No. 1 retail net buy +KRW143.7bn · Institutions -KRW96.5bn · Foreign -KRW48.9bn
Pharmaceuticals · 47 up and 105 down among 175 stocks · index direction and stock count moved opposite ways
The prior day's two leaders gave back gains · laggard Pharmaceuticals recovered only slightly at the index level
Sector rankings reversed day by day · third straight day
What to Watch Next Session
Next-Session Probability · Upside bias based on domestic closing signals
55:45 · not a quantitative forecast probability · relative weight of conditions confirmed at the 15:30 close
Upside Foreign cash +KRW2.1067tn · third straight day of buyingInstitutional cash +KRW682.2bn · fifth straight day of buyingTurnover KRW34.45tn · 147% of the 5-day averageSemiconductors & Semiconductor Equipment +5.15% · third straight day higherU.S. July CPI Consumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics In line with expectations · September rate-hike probability 46% → 42%
Downside Advancer ratio stayed below half · narrowed further from 41.9%Foreign futures KOSPI200 futures net-buy amount · KRX derivatives data · value basis -KRW129.0bn · selling extended · direction diverged from cashKOSDAQ advancer ratio 51.7% → 37.1% · foreign and institutions both sold for a third straight dayProgram Trading Automated multi-stock orders · a channel through which indexes and investor flows move -KRW64.4bn · turned to selling after one dayForeign net buying KRW2.8357tn → KRW2.1067tn · buying continued but amount declined
Variables Excluded from the Probability U.S. July PPI tonight, Aug. 13 · result not yet knownApplied Materials earnings early Aug. 14 · result not yet knownAug. 17 market holiday · schedule factor with no predetermined direction
Key Flow SignalsAt the Close
Foreign Cash+KRW2.1067tnThird straight day of buying
Foreign futures-KRW129bnSecond straight session of selling
Samsung Electronics+KRW1.5489tnNo. 1 foreign net buy · No. 1 institutional net sell
SK Hynix+KRW1.0551tnNo. 2 foreign net buy · No. 1 institutional net buy
KOSPI Breadth37.0%Prior day 41.9%
KOSDAQ Breadth37.1%Prior day 51.7%
Next Confirmation Conditions
FlowsWhether foreign cash buying extends to a fourth day · whether futures selling extends to a third · cash and futures realign to buying → upside · cash buying shrinks + futures selling extends → pullback
BreadthWhether breadth recovers to 40% · Whether semiconductor advancers hold at 87 or re-expand · Whether KOSDAQ moves above 870.96 If the index rises without a recovery in breadth, reduce the upside weight
Price · VariablesWhether KOSPI holds above 6,748.13 on a closing basis · whether 6,895.63 is retested · U.S. July tonight PPI Inflation based on producer selling prices · released the day after CPI · early Aug. 14 Applied Materials Leading U.S. semiconductor-equipment stock · major customers include Samsung Electronics, SK Hynix and TSMC · leading read on semiconductor capex earnings · position unwinding ahead of the Aug. 17 holiday
Flows · Breadth Detail
Flow StructureKOSPI · Naver Finance investor-flow data
Retail-KRW2.7363tn
Foreign+KRW2.1067tn
Institutions+KRW682.2bn
Data basis · investor-level totals = Naver Finance · stock-level = KRX · market scopes differ → no cross-aggregation or share calculations
Foreign · second straight session above KRW2tn · amount declined from +KRW2.8357tn the prior day
Institutional buying for a fifth straight session · increased from +KRW527.7bn the prior day · retail selling extended
KOSDAQ · Retail +KRW255bn · Foreign -KRW136.2bn · Institutions -KRW113.8bn
Cash buying and futures selling · same combination for a second straight day
Amount fell but direction held · read together with KRW34.45tn turnover
Foreign futures KOSPI200 futures net-buy amount · KRX derivatives data · value basis-KRW129bn
Program Trading Automated multi-stock orders · a channel through which indexes and investor flows move(KOSPI)-KRW64.4bn
USD/KRW Domestic FX daytime-session close (09:00–15:30)1,419.4 ▲3.7
Market Breadth Share of advancing stocks · gauge of how broadly gains and losses are distributed
KOSPI 334 / 902 = 37.0% 333 advancers ·1 limit-up ·35 unchanged ·533 decliners · Limit-down 0
KOSDAQ 643 / 1,734 = 37.1% 634 advancers ·9 limit-up ·81 unchanged ·1,009 decliners · Limit-down 1
vs. prior day · narrowed further in both markets
KOSDAQ decliners 1,009 · 1.6× the 634 advancers
Advancer ratios in both markets converged near 37%
KOSPI narrowed for a second straight day · KOSDAQ fell 14.6%p in one day
Turnover KRX data
| Market | Turnover | vs. 5-Day Average |
| KOSPI | KRW34.45tn | 147% |
| KOSDAQ | KRW7.53tn | 118% |
KOSPI turnover · 112% → 147% of the 5-day average · absolute amount KRW26.21tn → KRW34.45tn
KOSDAQ turnover · 103% → 118% of the 5-day average
Short Selling Sell borrowed shares → bet on a decline · turnover basis · KOSPI KRW2.08tn · 4.6% of combined KRX+NXT turnover · prior KRW1.56tn and 4.1%
Short Selling Sell borrowed shares → bet on a decline · turnover basis · KOSDAQ KRW0.35tn · 3.8% on the same basis · prior 4.5%
Short-selling share · KOSPI 4.1% → 4.6% higher · KOSDAQ 4.5% → 3.8% lower · directions diverged across the two markets
No. 1 by stock-level share Korea Aerospace Industries 33.3% · short selling KRW54.7bn / turnover KRW164.4bn · close KRW151,200 +4.9%Selling bets concentrated in a rising stock · Aerospace & Defense sector +3.30%
Turnover KRW26.21tn → KRW34.45tn · increased by KRW8.24tn · opposite direction from the number of advancers
Flows Over the Last 5 Sessions
Flows Over the Last 5 Sessions KOSPI · Naver Finance investor-flow data
08.13Retail-KRW2.74tnForeign+KRW2.11tnInstitutions+KRW0.68tn
Foreign · buying extended · concentrated in Samsung Electronics and SK Hynix · institutional buying for a fifth day · Samsung Electronics was institutions' No. 1 net sell
08.12Retail−KRW3.19tnForeign+KRW2.84tnInstitutions+KRW0.53tn
Foreign · second straight session of buying · amount enters the KRW2tn range · concentrated in five large-cap IT names · institutions bought for a fourth session · retail selling continued
08.11Retail−KRW0.07tnForeign+KRW0.04tnInstitutions+KRW0.03tn
Foreign · turned to buying after three straight selling sessions · all three investor groups below KRW100bn · institutions bought for a third session · retail turned to selling
08.10Retail+KRW0.90tnForeign−KRW1.49tnInstitutions+KRW0.57tn
Foreign · third straight session of selling · amount again exceeded KRW1tn · concentrated in three large IT names · institutional buying extended
08.07Retail+KRW0.27tnForeign−KRW0.86tnInstitutions+KRW0.58tn
Foreign · selling extended · amount 26% of prior session · institutions turned to buying for first time in five sessions
5-session cumulative (Aug. 7–13) · Retail -KRW4.83tn · Foreign +KRW2.63tn · Institutions +KRW2.39tn
Foreign · Aug. 6 -KRW3.33tn drops out + Aug. 13 +KRW2.11tn enters → cumulative -KRW2.80tn → +KRW2.63tn · sign flipped
KOSDAQ five-session cumulative · Foreign -KRW805bn · Institutions +KRW104bn · Retail +KRW672bn
KOSPI200 futures five-session cumulative · Foreign +KRW1.58tn · Institutions -KRW1.42tn · Retail -KRW147bn
Futures ·Program Trading Automated multi-stock orders · a channel through which indexes and investor flows move
Foreign futures KOSPI200 futures net-buy amount · KRX derivatives data · value basis
-KRW129bn
Amount narrowed from -KRW279.0bn the prior day · opposite direction from cash · KRX derivatives value basis
Institutional Futures
+KRW62bn
Turned to buying from -KRW144.0bn the prior day · Retail +KRW77.0bn
Program Trading Automated multi-stock orders · a channel through which indexes and investor flows move(KOSPI)
-KRW64.4bn
Arbitrage +KRW5.2bn · non-arbitrage -KRW69.6bn · turned to selling after one day
Cash–Futures Closing Gap
+2.46
Cash 1,071.24 · futures 1,073.70 · Sep. 2026 contract · closes differ at 15:30 / 15:45 · same-time futures level unavailable → excluded from directional evidence
Cash buying · futures selling · same combination for a second straight day
Non-arbitrage -KRW69.6bn · Arbitrage +KRW5.2bn · index-tracking selling Program Trading Automated multi-stock orders · a channel through which indexes and investor flows move turned the total back to net selling
Institutional futures · direction diverged from foreign flows · prior day moved in the same direction
Program Trading Automated multi-stock orders · a channel through which indexes and investor flows move · Already included in investor-level flows → no separate addition
Net Buying · Net Selling by Investor
Foreign
Net Buying
- Samsung Electronics+KRW1.5489tn
- SK Hynix+KRW1.0551tn
- Samsung Electro-Mechanics+KRW153.7bn
- HD Hyundai Heavy Industries+KRW82.6bn
- KB Financial+KRW53.8bn
Net Selling
- Samsung Electronics Preferred-KRW99.4bn
- KEPCO-KRW48.9bn
- JYP Ent.-KRW35.2bn
- SK Telecom-KRW31.3bn
- LG Innotek−KRW27.1bn
Institutions
Net Buying
- SK Hynix+KRW257.8bn
- NAVER+KRW62.9bn
- SK Square+KRW53.2bn
- SK Telecom+KRW37.4bn
- Samsung Electro-Mechanics+KRW32.5bn
Net Selling
- Samsung Electronics-KRW310bn
- KEPCO-KRW96.5bn
- HD Hyundai Heavy Industries-KRW86.6bn
- Doosan Enerbility-KRW58.2bn
- HD Korea Shipbuilding & Offshore Engineering-KRW53.9bn
Retail
Net Buying
- KEPCO+KRW143.7bn
- Samsung Electronics Preferred+KRW100.6bn
- JYP Ent.+KRW52.7bn
- d'Alba Global+KRW41.3bn
- Silicon2+KRW38.1bn
Net Selling
- SK Hynix-KRW1.2729tn
- Samsung Electronics-KRW1.2264tn
- Samsung Electro-Mechanics-KRW183.9bn
- NAVER-KRW96.7bn
- SK Square-KRW78bn
Top-five foreign and institutional net buys · only SK Hynix and Samsung Electro-Mechanics overlapped · all five matched the prior day
Samsung Electronics · Foreign +KRW1.5489tn / Institutions -KRW310bn · Investor directions diverged
Korea Electric Power · No. 1 retail net buy / No. 2 institutional net sell · No. 2 foreign net sell
NAVER · Institutions +KRW62.9bn / Retail -KRW96.7bn · Foreign +KRW45.5bn
Top-five retail net buys · all outside large-cap semiconductors · mix of utilities, entertainment and cosmetics
What Comes Next
Divergence between foreign cash and futures · next-session path to be decided on the final trading day before the Aug. 17 holiday
Buying ExtendsCash buying extends to a fourth day + futures selling narrows + tonight's PPI Inflation based on producer selling prices · released the day after CPI comes in line with expectations → retest today's high · confirmation point is whether advancer ratio recovers alongside
BreadthApplied Materials Leading U.S. semiconductor-equipment stock · major customers include Samsung Electronics, SK Hynix and TSMC · leading read on semiconductor capex earnings beat + foreign buying holds → broadening from large-cap semiconductors into equipment, substrates and materials/parts/equipment · check whether advancer ratio recovers to 40%
ReboundPPI Inflation based on producer selling prices · released the day after CPI comes in above expectations + U.S. 10Y yield and dollar rise + USD/KRW rises further + position unwinding ahead of the holiday → check whether today's low holds as support
Next check · whether advancer ratio recovers to 40% + whether foreign cash and futures realign on the buy side
Upcoming Calendar6 Events
Aug. 13 (Thu)
21:30
U.S. July PPI Inflation based on producer selling prices · released the day after CPI
First external variable tonight · Consensus The average of brokerage estimates +0.2% m/m
Aug. 14 (Fri)
Early morning
Applied Materials Leading U.S. semiconductor-equipment stock · major customers include Samsung Electronics, SK Hynix and TSMC · leading read on semiconductor capex Earnings Release
Released after the Aug. 13 U.S. close · 05:30 KST earnings call · check capex direction
Aug. 14 (Fri)
21:30
U.S. July Retail Sales
Test whether labor weakness is spilling into consumption
Aug. 14 (Fri)
23:00
University of Michigan Consumer Sentiment
Inflation expectations · consumer sentiment checked together
Aug. 17 (Mon)
Liberation Day substitute holiday · Korean equity market closed
This week's Korea market trades through Aug. 14 · next open is Tuesday, Aug. 18
Aug. 19 (Wed)
8/20 03:00
U.S. July FOMC Federal Open Market Committee · policy-rate meeting Minutes
Hold decision with three dissenting votes for a hike · check degree of division
Data · Earnings Benchmarks
Released overnight · Consensus vs. Actual
| Item | Consensus The average of brokerage estimates | Actual |
| U.S. July CPI Consumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics MoM (%) | +0.1 | +0.1 |
| CPI YoY (%) | 3.4 | 3.4 |
| Core CPI MoM (%) | +0.2 | +0.2 |
| Core CPI YoY (%) | 2.5 | 2.5 |
| Cisco Leading U.S. networking-equipment stock · AI data-center connectivity gear · gauge of AI-infrastructure spending FY26 Q4 revenue ($bn) | 16.85 | 17.25 |
| Cisco Adjusted EPS Earnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items ($) | 1.17 | 1.22 |
| Cisco FY27 Q1 revenue Guidance Management's own outlook for the next quarter and full year ($bn) | 16.8 | 18.0–18.2 |
June CPI Consumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics Actual · MoM -0.4% · YoY 3.5% · core MoM flat · YoY 2.6%
Cisco · product revenue $13.459bn · total product orders y/y +35% · Q4 AI infrastructure orders $4bn
Cisco FY27 full year Guidance Management's own outlook for the next quarter and full year · revenue $72.2–73.4bn · adjusted EPS Earnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items $5.05–5.11
Cisco after hours · rose immediately after release, then reversed lower during the earnings call · -4% vs. close Non-GAAP gross margin 66.3% · 68.4% a year earlier · earnings beat and share-price direction diverged
Sequential checks begin tonight · Release times in Korea Standard Time
| Name | Release | Consensus The average of brokerage estimates |
| U.S. July PPI Inflation based on producer selling prices · released the day after CPI MoM (%) | Night of Aug. 13 | +0.2 |
| PPI y/y (%) | Night of Aug. 13 | about 4.9 |
| Applied Materials Leading U.S. semiconductor-equipment stock · major customers include Samsung Electronics, SK Hynix and TSMC · leading read on semiconductor capex Revenue ($bn) | Early morning, Aug. 14 | Approx. 9.0 |
| Applied Materials adjusted EPS Earnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items ($) | Early morning, Aug. 14 | about 3.4 |
| U.S. July Retail Sales MoM (%) | Night of Aug. 14 | +0.3 |
June PPI Inflation based on producer selling prices · released the day after CPI Actual · MoM -0.3% · 5.5% a year earlier
Applied Materials company Guidance Management's own outlook for the next quarter and full year · revenue $8.95bn ±$0.5bn · adjusted EPS Earnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items $3.36 ±$0.20
Prior-quarter results · revenue $7.91bn · adjusted EPS $2.86 · both beat consensus
Post-close variables · as of Aug. 13, 17:30 KST · not official closing prices
WTI $82.16 (-1.33%) · Gold $4,426.00 (+0.39%) · Live quote
WTI · Aug. 12 official close $83.27 · moved below the $83 range
Drivers of the oil decline · U.S. weekly crude inventories +17.42mn barrels · market had expected a draw · OPEC and IEA both cut 2026 demand forecasts
USD/KRW daytime-session close KRW1,419.4 · prior KRW1,415.7 · +KRW3.7 · won weakened
Lower oil reduces inflation pressure · higher USD/KRW works against foreign buying
This Week in Review · Aug. 10–13
Aug. 13 (Thu)KOSPI+3.56%KOSDAQ+0.29%Foreign+KRW2.11tn
Foreign buying extended · concentrated in Samsung Electronics and SK Hynix · Samsung Electro-Mechanics +12.58% drove the No. 1 sector · advancer ratio narrowed further
Aug. 12 (Wed)KOSPI+3.68%KOSDAQ+0.12%Foreign+KRW2.84tn
Foreign buying concentrated in five large-cap IT names · buy-sidecar at 11:57 · despite the index surge, advancers lost their majority
Aug. 11 (Tue)KOSPI+0.73%KOSDAQ+0.39%Foreign+KRW44.0bn
Foreign investors resumed buying Samsung Electronics · No. 1 market-cap stock returned to the front · SK Hynix near flat · prior-session growth-stock surge faded
Aug. 10 (Mon)KOSPI+0.65%KOSDAQ+6.97%Foreign−KRW1.49tn
Rate pressure eased after U.S. employment declined · KOSDAQ rose more than 6% within 50 minutes of the open · growth stocks rallied together · mega-cap semiconductors rested
Week-to-date cumulative (vs. Aug. 7 close) · KOSPI +8.86% · KOSDAQ +7.83%
Foreign KOSPI cash · Mon -KRW1.49tn → Tue +KRW44.0bn → Wed +KRW2.84tn → Thu +KRW2.11tn
Advancer ratio · Tue 62.0% → Wed 41.9% → Thu 37.0% · narrowed for a third straight session
No. 1 sector · Tue Aerospace & Defense → Wed Electronic Products → Thu Electronic Equipment & Instruments
Technical Levels · Three Indices
KOSPICurrent 6,813.34
Current
6,5506,6686,895
Support6,748.13 → 6,668.43 → 6,550.94 Today's Low · Aug. 12 high · Aug. 6 High
Resistance6,895.63 Today's High
Prior resistance at 6,668.43 turned into support · today's low is first support · next resistance is today's high
KOSPI200Current 1,071.24
Current
1,0131,0501,100
Support1,050 → 1,029.43 → 1,013.07 Psychological Level · Aug. 12 close · Aug. 3 High
Resistance1,100 Psychological Level
Moved above the 1,050 psychological level · resistance turned into support · large-cap leadership extended · closing basis
KOSDAQCurrent 861.37
Current
814853875
Support853.09 → 839.86 → 814.80 Today's Low · Aug. 12 low · Aug. 7 High
Resistance870.96 → 875.16 Today's High · Aug. 11 High
Moved above prior high 860.76 · reached 870.96 before giving back gains · 875.16 remains resistance
One-Line Glossary
- Limit Up · Limit Down
- Daily price limit ±30% · Aug. 13 KOSPI 1 limit-up · KOSDAQ 9 limit-up · 1 limit-down
- CPI · PPI
- CPI = consumer inflation · PPI = producer inflation · released monthly by the U.S. Bureau of Labor Statistics · July data due Aug. 12 and Aug. 13
- FOMC
- U.S. Federal Open Market Committee · policy-rate setting meeting · July meeting held rates, with three dissents favoring a hike
- SOX
- Philadelphia Semiconductor Index (SOX) · key gauge of global semiconductor stocks
- ADR
- Depositary receipts of foreign companies listed in the U.S. · local-market trading price
- MLCC
- MLCC · a component that smooths current flow · used more heavily in AI servers
- ABF substrate
- High-end printed circuit board connecting semiconductor chips to substrates · AI chips require larger area and higher complexity
- HBM
- High Bandwidth Memory · stacked architecture widens data pathways · used in AI servers
- S7
- A thematic basket grouping seven large-cap semiconductor stocks, including Samsung Electronics and SK Hynix
- Materials, Parts & Equipment
- Materials, Parts & Equipment · suppliers of materials and equipment to major semiconductor producers
- EPS
- Earnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items
- Consensus · Guidance
- Consensus = average of brokerage forecasts · guidance = company-provided outlook
- Short Selling
- Selling borrowed shares → bearish positioning · Aug. 13 KOSPI KRW2.08tn · 4.6% of KRX+NXT turnover
- Program Trading
- Automated multi-stock orders · a channel for index and flow moves · already included in investor-level flow data
- Arbitrage · Non-arbitrage
- Arbitrage = exploits cash-futures price differences · non-arbitrage = other program trading such as index tracking
- Cash–Futures Closing Gap
- Cash closes 15:30 / futures 15:45 → not a same-time basis · excluded from directional signals
- Onshore Daytime Close
- Final traded USD/KRW rate in domestic FX market, 09:00–15:30
- Base Exchange Rate
- Published volume-weighted average of interbank exchange rates · used for JPY/KRW
- Sector · Theme Performance
- Sector = market-cap weighted · theme = simple average of constituents · when values conflict, sector value is the reference
- Market-cap weighted
- Sector indexes weight stocks in proportion to market cap · larger stocks exert more influence
- Market Breadth
- Share of advancing stocks · gauge of how broadly gains and losses are distributed
Sources & Data Notes
- Korea Exchange (KRX) · Naver Finance KOSPI 6,813.34 (+3.56%, Aug. 13 official close) O 6,773.92 · H 6,895.63 · L 6,748.13 / KOSDAQ 861.37 (+0.29%) O 863.15 · H 870.96 · L 853.09 / KOSPI 200 1,071.24 (+4.06%, closing basis) / breadth: KOSPI 333 advancers · 1 limit-up · 35 unchanged · 533 decliners · 0 limit-down; KOSDAQ 634 advancers · 9 limit-up · 81 unchanged · 1,009 decliners · 1 limit-down / turnover KOSPI KRW34.45tn · KOSDAQ KRW7.53tn: dashboard (Naver Finance daily index data · KRX source, collected Aug. 13, 17:34 KST)· Close and percentage change are Etoday·NewsPim cross-checked
- Investor-Level Totals(Naver Finance investor data, Aug. 13 close) KOSPI Retail -KRW2.7363tn and foreign investors +KRW2.1067tn and institutions +KRW682.2bn / KOSDAQ Retail +KRW255bn and foreign investors -KRW136.2bn and institutions -KRW113.8bn· KOSPI200 futures (KRX derivatives, value basis) Foreign -KRW129bn and institutions +KRW62bn· Retail +KRW77bn· Program Trading Automated multi-stock orders · a channel through which indexes and investor flows move KOSPI Arbitrage +KRW5.2bn· Non-arbitrage -KRW69.6bn· Total -KRW64.4bn· Cash–futures closing gap +2.46 (cash 1,071.24 · futures 1,073.70 · Sep. 2026 contract · different closing times → not a basis measure)· Aggregate series (Naver) and stock-level series (KRX) cover different market scopes · no cross-aggregation or share calculations· Investor-flow figures in close reports differ by outlet(Foreign KOSPI +KRW2.095tn to +KRW2.4525tn) · body uses a single dashboard series throughout
- Stock-Level Investor Flows KRX investor trading statistics (entire stock market · collected Aug. 13, 17:34 KST). Foreign net buy Samsung Electronics +KRW1.5489tn· SK Hynix +KRW1.0551tn· Samsung Electro-Mechanics +KRW153.7bn· HD Hyundai Heavy Industries +KRW82.6bn· KB Financial +KRW53.8bn / Institutional net buying: SK Hynix +KRW257.8bn·NAVER +KRW62.9bn· SK Square +KRW53.2bn, institutional net sells: Samsung Electronics -KRW310bn· KEPCO -KRW96.5bn / Retail net sell SK Hynix -KRW1.2729tn· Samsung Electronics -KRW1.2264tn, Retail net buy Korea Electric Power +KRW143.7bn. Samsung Electronics + SK Hynix foreign net buying totals KRW2.6039tn · simple amount sum · no share calculated against total net buying as denominator
- Final Stock Closing Prices Samsung Electronics KRW268,000 (+4.89%) · SK Hynix KRW1,593,000 (+5.92%) · Samsung Electronics Preferred KRW187,800 (+0.91%) · SK Square KRW1,117,000 (+9.08%) · Samsung Electro-Mechanics KRW1,503,000 (+12.58%) · Hyundai Motor KRW418,500 (+2.20%) · LG Energy Solution KRW365,500 (+1.95%) · Samsung Biologics KRW1,564,000 · Hanwha Aerospace KRW1,185,000 · KB Financial KRW168,100: KRX top market-cap names · regular-session closes (dashboard, Naver Finance source)· Short Selling Sell borrowed shares → bet on a decline · turnover basis Turnover leaders Samsung Electronics KRW773.4bn (6.3% share) · SK Hynix KRW321.8bn (3.2%) · Korea Aerospace Industries KRW54.7bn (33.3%) from the same dashboard (regular-session final · KRX+NXT combined)· Korea Aerospace Industries ranked No. 1 in short-selling share with KRW54.7bn short-selling turnover · KRW164.4bn stock turnover · 33.3% share · close KRW151,200 (+4.9%)
- Aug. 12 U.S. close Dow 53,770.27 (-0.04%)·S&P500 7,748.50(+0.26%) · Nasdaq 26,588.49 (+0.54%)·SOX 12,399.38(+2.49%) · U.S. 10Y 4.682% (-0.2bp): dashboard (Naver Finance · Yahoo series)· Individual stock NVIDIA +3.03%· Micron +4.92%· SK Hynix ADR +9.01% and the AI infrastructure earnings sequence (CoreWeave · Super Micro · Nebius) background is covered in Yahoo Finance·NewsPim cross-checked · VIX 14.68 · Dollar Index 99.987 are live quotes as of Aug. 13, 17:30 KST, not official U.S. closes
- U.S. July CPI MoM +0.1%· YoY 3.4% · core MoM +0.2%· core y/y 2.5% · Reuters/Dow Jones consensus matched on all four readings, with energy -1.5%· shelter +0.1%· airfares +2.2%, September FOMC hike probability 46% before release → 42% after release (CME rate-futures basis 46.1% → 41.9% · values vary by data provider): CNBC·NewsPim· June actual m/m −0.4%· y/y 3.5% · core m/m flat · y/y 2.6% are from the U.S. Bureau of Labor Statistics June release
- Cisco FY26 Q4(after the Aug. 12 U.S. regular-session close) revenue $17.25bn (y/y +18%) · adjusted EPS $1.22 (+23%) · product revenue $13.459bn (+24%) · total product orders +35%· Q4 AI infrastructure orders $4bn · FY27 Q1 revenue guidance $18.0–18.2bn · FY27 full-year revenue $72.2–73.4bn · adjusted EPS $5.05–5.11: Company IR earnings press release· Revenue consensus varies by source from $16.82bn to $16.85bn, so the same Zacks consensus of $16.85bn used in the prior report is retained as the benchmark· After-hours move differed by timestamp: initial rise after release (Benzinga, about +0.9%) followed by a reversal lower during the earnings call (Investing.com, about -4.2%); the body therefore shows the final direction in the -4% range together with the range· Non-GAAP gross margin 66.3% (68.4% a year earlier) and higher component costs including memory are from SiliconANGLE
- Samsung Electro-Mechanics upside catalyst Morgan Stanley replaced Samsung Electronics with Samsung Electro-Mechanics as its top Korean tech pick · maintained Overweight · raised target KRW2.56mn → KRW2.62mn; rationale: stronger pricing for high-capacitance MLCCs used in AI servers and improving ABF-substrate demand: EBN·Etoday· SK Square +9.08% was reported as linked to the value of its 20.1% SK Hynix stake; no company filing was confirmed(Etoday)
- Korea Electric Power · Electric Utilities downside catalyst iM Securities cut target KRW53,000 → KRW48,000 (Buy maintained) · Q2 operating profit missed market expectations · cited higher fuel and power-purchase costs in 2H and constrained expectations for a tariff hike within the year: Financial News·Etoday· Internet & Catalog Retail -8.17% No stock-specific catalyst was confirmed, so no cause is assigned
- FX & Commodities USD/KRW KRW1,419.4 (prior KRW1,415.7 · +KRW3.7) are Korea FX daytime-session 09:00–15:30 close), using the same series as the prior report · JPY/KRW per ¥100 KRW890.47 (prior KRW888.64) is from Base Exchange Rate benchmark exchange rate posted as the volume-weighted average of interbank exchange rates series · The dashboard's USD/KRW 15:30 market-average-rate reading of KRW1,419.50 is a different series and is not used in the body · WTI $82.16 (-1.33%) · Gold $4,426.00 (+0.39%) · Bitcoin $63,716 are live quotes as of Aug. 13, 17:30 KST · Aug. 12 WTI official close $83.27 · Drivers of the oil decline (U.S. weekly crude inventories +17.42mn barrels · OPEC and IEA cuts to 2026 demand forecasts) are from OilPrice·FXStreet· LME copper $14,376.00 (-0.34%) · aluminum $3,307.50 (-1.94%) are Cash prices for Aug. 12
- Sectors & Themes Naver Finance sector/theme quotes (Aug. 13 close, collected 17:33 KST): among 79 sectors, 43 up · 0 flat · 36 down; among 219 themes, 95 up · 0 flat · 124 down · Electronic Equipment & Instruments +9.28%(54 up · 7 flat · 45 down among 106 stocks) · Venture Capital +5.91%(42 up among 90 stocks) · Semiconductors & Semiconductor Equipment +5.15%(87 up · 9 flat · 75 down among 171 stocks) · Interactive Media & Services +3.73%· Electronic Products +0.70%· Pharmaceuticals +0.41%(47 up · 23 flat · 105 down among 175 stocks) · Broadcasting & Entertainment -3.20%· Office Supplies -4.29%(1 constituent) · Electric Utilities -4.88%· Internet & Catalog Retail -8.17%(1 up · 5 down among 6 stocks) / theme: Semiconductor Leaders (Production) +5.22%·S7 +4.55%·MLCC +2.98%· Semiconductor Substrates +2.61%·HBM +1.60%· Semiconductor Equipment +1.33%· Semiconductor Materials/Components -0.48% ※Sectors are market-cap weighted; themes are simple averages of constituent stocks, so identically named groups can show different returns · sector value used as the reference · Aug. 12 comparison values (Electronic Products +12.40%· Internet & Catalog Retail +11.06%· Electric Utilities +0.51%· Pharmaceuticals -3.17%· Electronic Equipment & Instruments +5.07%· Venture Capital -0.97%) are from the same source's Aug. 12 collection
- Schedule · Benchmarks U.S. July PPI on Aug. 13 · retail sales on Aug. 14 are from U.S. Bureau of Labor Statistics· U.S. Census Bureau official calendar · PPI m/m consensus +0.2%· June actual −0.3% use Investing.com Economic Calendar, y/y consensus varies by aggregator (Investing.com 4.8%·FactSet 4.9%) body uses about 4.9%· June actual 5.5% · Applied Materials is released after the Aug. 13 U.S. close (Aug. 14, 05:30 KST); company guidance of revenue $8.95bn ±$0.5bn · non-GAAP EPS $3.36 ±$0.20 is from Company IR, consensus varies by aggregator revenue about $9.0bn (Zacks $9.0bn · Visible Alpha $9.04bn) · adjusted EPS $3.36–3.42 (Zacks $3.36 · Visible Alpha $3.42), body uses about $3.4, near the midpoint · U.S. July retail-sales m/m consensus +0.3%· July FOMC held 3.50–3.75% · three dissenting votes favored a hike; minutes due Aug. 19 at 2:00 p.m. ET (Aug. 20, 03:00 KST)· Korea market closed Aug. 17 for the Liberation Day substitute holiday · next open Aug. 18
Disclaimer: This material is for market-structure analysis and organization of decision-relevant information only and does not constitute a recommendation to buy or sell any financial instrument.