Newsig · Etf
iShares MSCI South Korea ETF (EWY)
What the data says — measured reaction to every tracked story
Every story we map to EWY is scored against the actual price: how far it moved within 24 hours of publication, and where it ended up. Coverage runs 2026-08-19 to 2026-10-15.
| Stories tracked | 5 |
| Average 24h max move | +5.23% |
| Median 24h max move | +4.52% |
| 90th percentile move | +10.15% |
| Largest single move | +10.15% |
| Closed lower after the story | 40% (2 of 5) |
| Move of 2% or more | 100% (5 of 5) |
Measured reaction — 24h price move after each story
| Date | Max move | Net 24h | Story |
|---|---|---|---|
| 2026-10-15 | +10.15% | -8.81% | KOSPI hits six-month low as 8% plunge triggers circuit breaker |
| 2026-10-01 | +2.41% | -2.11% | South Korea exports surge past expectations in Sept, trade surplus grows |
| 2026-09-22 | +4.20% | +4.03% | South Korea to brief lawmakers on US investment package amid profitability concerns |
| 2026-08-19 | +4.88% | +3.68% | investingLive Asia-Pacific market news: Asian equities slide, KOSPI circuit breaker |
| 2026-08-19 | +4.52% | +3.33% | South Korea’s KOSPI briefly halts trade after 5% slide as SK Hynix, Samsung tumble |
Latest stories mapped to EWY
Everything Newsig has mapped to EWY, newest first — no importance filter. Topic pages list critical and high-importance stories only.
- 2026-10-16 South Korea’s Kospi leads Asian rebound as technology selling eases
- 2026-10-15 South Korea shares test 200-day moving average for first time in 17 months
- 2026-10-15 Asia markets in red: South Korea and Japan lead deep tech selloff; Japan industrial output revised down
- 2026-10-15 South Korea’s KOSPI triggers circuit breaker in tech-led selloff
- 2026-10-15 Bitcoin drops below $81,000 as risk-off sentiment weighs on Asian equities
- 2026-10-15 KOSPI hits six-month low as 8% plunge triggers circuit breakercritical
- 2026-10-15 South Korea official says shifting goalposts could block wartime command transfer from US
- 2026-10-13 Bitcoin keeps up pressure on $84K as US stocks skirt Korea tech sell-off
- 2026-10-13 Bitcoin diverges from South Korean stocks as AI concerns deepen the Kospi selloff
- 2026-10-13 The Korean stock market’s in freefall, and these are the reasons why
- 2026-10-13 South Korea’s Lee says country cannot avoid raising interest rates
- 2026-10-12 Productivity gains from AI could help offset Asia’s ageing population problem, IMF says
- 2026-10-12 Samsung Electronics completes $10.9 billion share buyback
- 2026-10-12 Asia stocks mixed as oil retreats, earnings season gathers pace
- 2026-10-11 Foreign investors flee South Korean stocks as AI boom loses steam
- 2026-10-08 CrowdStrike says China-based suspect used AI tools in South Korean bank hacks
- 2026-10-07 Samsung Q3 profit jumps nearly nine-fold as AI memory boom lifts chip earnings
- 2026-10-07 Samsung Q3 earnings preview: record profit expected but margin outlook in focus
- 2026-10-06 North Korea warns US over Taiwan while Kim pledges support for Russia
- 2026-10-06 South Korea says preparing response to force North Korean apology over DMZ blast
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How the reaction data is measured · Editorial policy