EWZ Options History — October 2025 In October 2025, EWZ traded between $28.86 and $31.16. ATM implied volatility averaged 26.1%, placing in the 36.2% IV rank vs the trailing year. The 30-day expected move averaged 6.9%. IV traded above realized volatility by 8.6% (HV 20d: 17.5%). Max pain ranged from $28.50 to $30.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 13 of 23 days. Put/call ratio averaged 0.97.
Notable Days 2025-10-07 : Highest Volume — 531,391 contracts2025-10-29 : Largest IV spike — 62.2% change2025-10-29 : Highest IV Rank — 80.8%2025-10-15 : Largest Expected Move — 7.5%Monthly Statistics Metric Avg Min Max Open Close Price $30.11 $28.86 $31.16 $30.64 $31.16 Max Pain $29.46 $28.50 $30.00 $28.50 $30.00 ATM IV 26.1% 22.5% 40.8% 23.6% 27.9% Expected Move 6.9% 6.4% 7.5% 6.8% 6.5% HV 20d 17.5% 13.1% 20.2% 13.1% 18.7% HV 60d 19.6% 18.9% 20.7% 19.9% 18.9% IV Rank 36.2% 25.1% 80.8% 28.4% 41.7% IV Percentile 43.3% 13.5% 96.8% 22.6% 72.6% Term Structure 0.6% -11.4% 21.0% 0.5% 2.9% VWIV 25.0% 23.2% 28.2% 23.7% 23.7% Skew 25d 2.7% -9.7% 17.0% 1.6% 4.9% Skew 10d 1.4% -22.2% 14.4% 2.3% 2.5% Call IV 25d 23.1% 14.9% 32.7% 23.2% 14.9% Put IV 25d 25.7% 19.8% 41.7% 24.8% 19.8% Bid-Ask Spread % 50.30 37.79 70.97 37.79 51.99 Gamma HHI 0.09 0.07 0.12 0.09 0.09 Net GEX 69.5M 13.0M 98.5M 94.2M 87.4M Net DEX -1.53B -2.41B -612.6M -2.41B -1.94B Net VEX -20.8M -23.5M -19.5M -23.5M -21.4M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.97 0.05 3.46 0.05 3.46 Total Volume 110,587.348 25,299 531,391 129,450 59,003 Total OI 4,290,325.304 3,874,964 4,605,406 4,603,582 4,225,320
Daily Data (23 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Wall Put Wall Call Vol Put Vol Call OI Put OI 2025-10-01 $30.64 $28.50 23.6% 6.8% 13.1% 28.4% 23.7% 1.6% 0.5% 94.2M -2.41B -23.5M 0.05 37.79 N/A N/A 123,355 6,095 2,908,258 1,695,324 2025-10-02 $30.29 $28.50 23.3% 6.5% 13.9% 27.7% 23.2% 1.3% 0.3% 75.3M -2.02B -22.7M 1.02 45.54 N/A N/A 76,456 78,192 2,861,948 1,700,193 2025-10-03 $30.37 $28.50 23.2% 6.4% 13.3% 27.3% 23.7% 1.5% 0.3% 89.9M -2.05B -22.7M 0.11 46.63 N/A N/A 125,547 13,219 2,855,725 1,694,668 2025-10-06 $30.37 $30.00 23.4% 6.9% 13.3% 27.9% 24.9% 1.3% 21.0% 96.6M -2.09B -22.9M 1.09 64.72 N/A N/A 14,115 15,354 2,934,753 1,670,653 2025-10-07 $29.69 $30.00 23.6% 6.8% 15.8% 28.5% 25.7% 1.7% 0.3% 63.2M -1.39B -21.3M 0.23 47.96 N/A N/A 432,538 98,853 2,821,497 1,677,926 2025-10-08 $29.87 $30.00 23.3% 6.8% 15.6% 27.5% 24.0% 1.5% -11.4% 65.8M -1.47B -20.4M 1.54 53.93 N/A N/A 21,662 33,331 2,729,405 1,655,959 2025-10-09 $29.69 $30.00 23.2% 6.7% 15.5% 27.3% 26.4% 1.6% 0.3% 69.8M -1.36B -20.0M 1.54 53.70 N/A N/A 40,045 61,721 2,737,560 1,639,583 2025-10-10 $28.86 $30.00 32.4% 7.4% 18.4% 55.2% 26.9% 2.5% 13.9% 13.0M -612.6M -19.9M 1.41 50.73 N/A N/A 98,520 139,278 2,760,814 1,677,656 2025-10-13 $29.20 $30.00 23.3% 7.3% 18.1% 27.5% 25.6% 9.2% -1.8% 48.1M -986.9M -19.6M 0.55 49.43 N/A N/A 16,358 8,941 2,722,668 1,650,251 2025-10-14 $29.09 $30.00 31.5% 7.4% 17.7% 52.7% 27.8% 7.5% -3.7% 41.8M -910.6M -19.6M 0.79 46.92 N/A N/A 54,337 43,159 2,733,951 1,647,987 2025-10-15 $29.38 $29.00 29.8% 7.5% 17.9% 47.3% 26.9% -9.7% -3.6% 62.3M -1.12B -19.9M 0.85 49.60 N/A N/A 40,480 34,369 2,747,087 1,693,467 2025-10-16 $29.24 $29.00 26.8% 7.4% 17.9% 38.2% 25.5% 7.7% 3.8% 42.0M -976.9M -19.5M 0.96 52.39 N/A N/A 69,521 66,504 2,775,260 1,700,585 2025-10-17 $29.73 $29.00 32.7% 7.0% 19.1% 56.2% 28.2% 17.0% -7.8% 48.7M -1.34B -20.3M 2.10 52.18 N/A N/A 27,505 57,809 2,783,712 1,707,964 2025-10-20 $30.23 $29.00 25.1% 7.2% 20.2% 33.1% 24.3% 2.4% -0.1% 60.0M -1.35B -20.3M 0.10 54.36 N/A N/A 41,368 4,228 2,430,214 1,444,750 2025-10-21 $29.99 $29.00 24.5% 7.0% 19.2% 31.1% 24.8% 1.4% 0.2% 60.0M -1.23B -19.9M 1.91 39.04 N/A N/A 35,813 68,509 2,459,586 1,445,585 2025-10-22 $30.05 $29.50 24.3% 7.0% 19.1% 30.7% 24.4% 2.1% 0.9% 62.0M -1.25B -19.9M 0.14 47.61 N/A N/A 45,016 6,341 2,475,084 1,510,229 2025-10-23 $30.46 $29.50 23.9% 6.8% 19.3% 29.5% 25.5% 1.8% 2.0% 76.5M -1.56B -20.5M 0.94 46.36 N/A N/A 25,510 23,928 2,512,891 1,515,609 2025-10-24 $30.46 $29.50 22.7% 6.6% 19.3% 25.7% 23.3% 1.8% -0.4% 78.0M -1.57B -20.6M 0.28 52.38 N/A N/A 51,334 14,380 2,527,224 1,527,555 2025-10-27 $30.77 $29.50 22.5% 6.7% 19.3% 25.1% 23.6% -0.3% -4.4% 84.8M -1.76B -21.0M 0.86 49.01 N/A N/A 30,484 26,270 2,536,425 1,529,917 2025-10-28 $30.89 $29.50 25.1% 6.6% 19.4% 33.2% 23.5% -1.6% -0.3% 90.2M -1.84B -21.2M 0.22 47.54 N/A N/A 27,449 6,093 2,554,106 1,549,484 2025-10-29 $31.14 $29.50 40.8% 6.7% 19.2% 80.8% 23.8% 1.7% -3.0% 98.5M -2.02B -21.4M 0.54 70.97 N/A N/A 45,278 24,559 2,563,281 1,552,757 2025-10-30 $31.05 $30.00 24.0% 6.4% 18.7% 29.9% 25.1% 3.0% 3.0% 89.5M -1.88B -21.3M 1.52 46.22 N/A N/A 83,711 126,971 2,561,660 1,570,951 2025-10-31 $31.16 $30.00 27.9% 6.5% 18.7% 41.7% 23.7% 4.9% 2.9% 87.4M -1.94B -21.4M 3.46 51.99 N/A N/A 13,227 45,776 2,584,697 1,640,623
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