MSFT Options History — October 2025 In October 2025, MSFT traded between $510.42 and $544.08. ATM implied volatility averaged 28.3%, placing in the 33.5% IV rank vs the trailing year. The 30-day expected move averaged 7.8%. IV traded above realized volatility by 13.7% (HV 20d: 14.6%). Max pain ranged from $485.00 to $515.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 2 of 23 days. Put/call ratio averaged 0.48.
Notable Days 2025-10-30 : Highest Volume — 834,502 contracts2025-10-30 : Largest IV drop — 24.6% change2025-10-10 : Highest IV Rank — 39.7%2025-10-29 : Largest Expected Move — 9.4%Monthly Statistics Metric Avg Min Max Open Close Price $521.25 $510.42 $544.08 $518.50 $518.51 Max Pain $486.96 $485.00 $515.00 $490.00 $515.00 ATM IV 28.3% 22.5% 30.5% 27.5% 22.5% Expected Move 7.8% 5.6% 9.4% 5.9% 6.6% HV 20d 14.6% 10.8% 20.0% 14.7% 20.0% HV 60d 17.4% 15.3% 18.3% 17.4% 16.4% IV Rank 33.5% 17.3% 39.7% 31.3% 17.3% IV Percentile 82.5% 52.4% 91.7% 81.0% 52.4% Term Structure -1.1% -1.9% 0.3% -0.7% 0.2% VWIV 27.4% 19.7% 33.4% 20.8% 23.6% Skew 25d 1.3% -1.7% 3.0% 1.9% 1.2% Skew 10d 3.2% -2.5% 6.1% 4.5% 2.2% Call IV 25d 27.9% 22.4% 31.3% 26.8% 22.4% Put IV 25d 29.2% 23.3% 32.7% 28.7% 23.6% Bid-Ask Spread % 4.94 2.23 7.65 2.31 4.64 Gamma HHI 0.05 0.03 0.26 0.05 0.04 Net GEX 954.8M 230.7M 1.87B 1.30B 230.7M Net DEX -26.25B -36.04B -20.72B -27.42B -21.14B Net VEX -157.7M -165.1M -150.7M -150.7M -165.1M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.48 0.35 0.68 0.37 0.55 Total Volume 315,718.13 144,834 834,502 266,299 578,554 Total OI 2,421,239.261 2,220,880 2,662,908 2,344,340 2,662,908
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 $518.50 $490.00 27.5% 5.9% 14.7% 31.3% 20.8% 1.9% -0.7% 1.30B -27.42B -150.7M 0.37 2.31 N/A N/A 193,924 72,375 1,363,343 980,997 2025-10-02 $516.35 $490.00 27.6% 5.8% 14.7% 31.4% 20.6% 2.2% -0.7% 1.20B -26.00B -151.0M 0.38 2.83 N/A N/A 296,298 113,865 1,396,722 997,610 2025-10-03 $517.69 $490.00 26.9% 5.6% 10.8% 29.6% 19.7% 2.5% -0.8% 1.38B -27.07B -157.2M 0.49 2.23 N/A N/A 221,015 109,200 1,456,821 1,023,468 2025-10-06 $530.68 $485.00 28.7% 7.6% 13.3% 34.8% 27.1% 1.7% -1.0% 1.50B -33.81B -155.1M 0.35 7.33 N/A N/A 332,579 116,936 1,349,215 992,108 2025-10-07 $523.88 $485.00 28.6% 7.6% 14.5% 34.5% 26.9% 1.8% -1.4% 1.36B -29.81B -158.4M 0.53 5.08 N/A N/A 163,755 87,328 1,410,888 1,016,588 2025-10-08 $524.80 $485.00 28.5% 7.6% 14.4% 34.2% 27.2% 1.5% -1.3% 1.39B -30.04B -158.9M 0.42 5.47 N/A N/A 125,969 52,476 1,425,734 1,042,200 2025-10-09 $520.94 $485.00 28.5% 7.7% 14.8% 34.0% 26.7% 1.6% -1.4% 1.14B -27.50B -159.4M 0.41 5.71 N/A N/A 230,063 94,715 1,443,784 1,053,627 2025-10-10 $513.31 $485.00 30.5% 8.3% 14.5% 39.7% 28.8% 3.0% -1.6% 486.4M -22.14B -164.0M 0.59 6.46 N/A N/A 213,927 126,986 1,497,011 1,081,659 2025-10-13 $514.07 $485.00 28.9% 8.0% 14.2% 35.2% 28.2% 1.4% -0.6% 654.9M -23.10B -159.5M 0.64 5.03 N/A N/A 128,890 82,804 1,389,536 1,049,497 2025-10-14 $511.29 $485.00 29.5% 8.2% 14.0% 36.9% 28.7% 2.0% -0.7% 526.1M -20.97B -162.2M 0.50 7.65 N/A N/A 109,504 55,088 1,424,380 1,080,538 2025-10-15 $512.76 $485.00 29.4% 8.2% 14.0% 36.5% 28.3% 1.8% -0.9% 582.0M -22.26B -161.5M 0.49 5.57 N/A N/A 97,506 47,328 1,439,586 1,089,354 2025-10-16 $510.42 $485.00 30.5% 8.5% 14.1% 39.5% 29.6% 2.7% -1.0% 429.9M -20.72B -162.2M 0.54 6.37 N/A N/A 123,083 65,850 1,450,773 1,098,868 2025-10-17 $514.22 $485.00 29.2% 8.2% 14.2% 36.0% 28.9% 2.3% -1.1% 713.6M -23.31B -160.3M 0.68 5.12 N/A N/A 154,246 104,890 1,466,886 1,109,064 2025-10-20 $516.51 $485.00 28.8% 8.2% 14.1% 34.9% 28.6% 1.8% -1.4% 709.8M -22.16B -157.0M 0.48 5.28 N/A N/A 108,740 52,300 1,257,575 966,257 2025-10-21 $517.41 $485.00 28.8% 8.2% 13.7% 35.0% 29.1% 1.3% -1.6% 814.7M -22.97B -156.6M 0.44 5.09 N/A N/A 118,554 51,895 1,283,526 977,743 2025-10-22 $520.11 $485.00 29.0% 8.3% 13.7% 35.4% 29.2% 0.8% -1.7% 1.04B -25.13B -157.0M 0.53 4.97 N/A N/A 193,803 103,101 1,312,593 985,979 2025-10-23 $522.16 $485.00 28.8% 8.4% 13.6% 35.1% 29.5% 0.6% -1.7% 1.25B -26.27B -154.8M 0.56 4.48 N/A N/A 115,660 65,149 1,318,109 997,437 2025-10-24 $524.96 $485.00 27.9% 8.2% 13.2% 32.5% 28.9% 0.3% -1.9% 1.87B -27.59B -154.3M 0.44 4.66 N/A N/A 204,786 89,134 1,327,876 1,012,679 2025-10-27 $532.40 $485.00 28.1% 8.6% 13.9% 33.0% 30.2% -0.1% -0.9% 845.1M -29.93B -153.0M 0.42 4.21 N/A N/A 196,061 81,881 1,256,307 964,573 2025-10-28 $544.08 $485.00 29.4% 9.1% 15.6% 36.6% 32.0% -0.8% -1.3% 1.02B -36.04B -153.6M 0.39 4.44 N/A N/A 319,365 124,285 1,311,270 989,540 2025-10-29 $539.87 $485.00 30.1% 9.4% 16.0% 38.5% 33.4% -1.7% -1.3% 958.1M -33.78B -158.7M 0.46 5.64 N/A N/A 345,153 157,994 1,354,312 1,016,424 2025-10-30 $523.75 $485.00 22.7% 6.8% 19.6% 17.8% 24.3% 0.8% 0.3% 562.6M -24.53B -156.9M 0.40 3.11 N/A N/A 597,207 237,295 1,485,350 1,077,788 2025-10-31 $518.51 $515.00 22.5% 6.6% 20.0% 17.3% 23.6% 1.2% 0.2% 230.7M -21.14B -165.1M 0.55 4.64 N/A N/A 374,092 204,462 1,555,288 1,107,620
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