EWYiShares MSCI South Korea ETF
EWY Options Overview
IV is elevated with unusual activity. Conditions favor premium sellers.
REWARDS
RISK ANALYSIS
EWY Gamma Walls
Value
Is IV priced right?
Measures whether options are cheap, fair, or rich relative to historical and peer
IV Rank 70.7% — elevated vs history
IV/HV 0.90x — IV ≤ HV
Sector percentile 83% — above sector median
Front/Back 0.95x — contango
Put/Call IV 1.16x — elevated
ATM IV 47.5% — normal range
Effective IV 60.3% (ATM 47.5% + spread 6.4% + bias) — good value
Total drag 9.22% (spread 6.40% + slippage 2.82%) — high friction
Vega efficiency 38.12 (vega 24.398 / spread 6.40%) — efficient
Sentiment
Bullish or bearish?
Analyzes
Conviction-weighted: -2% (neutral) — Raw: -18%
|OI skew| 9.6% — balanced
Vol skew +31.8%, OI skew +9.6% — aligned
0-DTE 9%, far-OTM 15%, avg DTE 30
OI change +0.0% (5d) — stable
ITM: -0%, ATM: +30%, OTM: -35% — bullish (ITM/ATM divergent)
Sector P/C percentile 22% — very bullish vs sector
Activity
Unusual activity?
Detects volume surges,
Volume 0.9x avg — normal
Vol/OI 7.8% — normal turnover
1 day(s) elevated — may be one-day event
OI change -24.9% (5d) — unwinding
Sector activity percentile 78% — active vs sector
Large trade volume 66% — heavy institutional
Aggressive execution 19% — patient
Conviction -2 (bearish) — mixed
Liquidity
Can I trade efficiently?
Evaluates
Spread 6.4% — wide
OI 1,140,165 — deep
Volume 88,413/day — active
$0.32 to cross — cheap
0 liquid strikes — limited options
Sector spread percentile 87% — much wider than sector
Depth 401.5 contracts (bid:209.3 ask:192.2) — adequate
Avg slippage 2.82% — poor
Timing
Is now a good time?
Considers earnings proximity,
Slope -5.1% — contango
IV percentile 71% — seller opportunity
IV kink -0.6pts — no clear event
θ/ν ratio 185.53 — favors income trades
5 liquid expirations — flexible
safe window: No earnings detected
Spread ratio 1.00x — stable
Flow -2% @ 51% consistency — unclear
Score 96 (ITM 20% + inst 66%) — HIGH institutional
Directional Strategy Fit
For educational purposes only. Not investment advice.
The Options Desk tracks the move options price into every US earnings report the week of Aug 31, next to how much each stock has actually moved on its past prints — plus the SPY, QQQ and IWM expected ranges and the gamma walls that box them in.