MU Options History — October 2025 In October 2025, MU traded between $180.85 and $226.82. ATM implied volatility averaged 61.5%, placing in the 45.0% IV rank vs the trailing year. The 30-day expected move averaged 17.6%. IV traded above realized volatility by 7.4% (HV 20d: 54.1%). Max pain ranged from $140.00 to $175.00. Net GEX was positive for 22 of 23 trading days. Term structure was in contango for 5 of 23 days. Put/call ratio averaged 0.72.
Notable Days 2025-10-01 : Highest Volume — 491,540 contracts2025-10-06 : Largest IV spike — 10.6% change2025-10-16 : Highest IV Rank — 55.9%2025-10-29 : Largest Expected Move — 19.9%Monthly Statistics Metric Avg Min Max Open Close Price $201.31 $180.85 $226.82 $180.85 $224.59 Max Pain $158.26 $140.00 $175.00 $140.00 $175.00 ATM IV 61.5% 53.1% 67.6% 53.1% 62.5% Expected Move 17.6% 15.3% 19.9% 15.4% 18.6% HV 20d 54.1% 47.7% 57.8% 54.3% 48.1% HV 60d 49.0% 47.5% 50.4% 48.3% 49.0% IV Rank 45.0% 29.8% 55.9% 29.8% 46.7% IV Percentile 83.0% 61.5% 93.3% 61.5% 84.1% Term Structure -0.9% -2.7% 1.1% -0.7% 0.4% VWIV 62.9% 54.7% 71.3% 54.7% 66.4% Skew 25d 0.0% -4.5% 4.5% -3.9% -0.0% Skew 10d 1.4% -7.1% 8.3% -7.1% 2.0% Call IV 25d 62.9% 56.7% 69.5% 56.7% 63.7% Put IV 25d 62.9% 52.9% 69.7% 52.9% 63.7% Bid-Ask Spread % 14.93 5.32 27.76 8.42 10.06 Gamma HHI 0.08 0.05 0.24 0.06 0.07 Net GEX 109.5M -28.1M 174.4M 147.0M 115.4M Net DEX -10.04B -11.80B -7.50B -9.44B -11.50B Net VEX -30.3M -32.3M -26.6M -26.6M -32.0M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.72 0.47 1.02 0.52 0.89 Total Volume 225,707.174 96,264 491,540 491,540 179,086 Total OI 1,789,649.435 1,538,501 1,984,763 1,749,999 1,790,585
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 $180.85 $140.00 53.1% 15.4% 54.3% 29.8% 54.7% -3.9% -0.7% 147.0M -9.44B -26.6M 0.52 8.42 N/A N/A 323,532 168,008 831,024 918,975 2025-10-02 $183.45 $140.00 54.3% 15.3% 53.6% 32.0% 54.7% -2.1% -0.4% 148.5M -9.70B -28.0M 0.66 13.32 N/A N/A 149,159 97,985 860,742 975,524 2025-10-03 $187.61 $145.00 55.5% 15.4% 52.0% 34.1% 55.3% -1.1% 0.0% 161.3M -10.14B -28.5M 0.54 5.32 N/A N/A 308,756 165,547 862,443 1,006,771 2025-10-06 $191.08 $150.00 61.4% 16.8% 51.9% 44.7% 60.1% -4.5% -2.1% 116.6M -9.87B -28.8M 0.72 23.11 N/A N/A 221,563 160,147 819,636 955,882 2025-10-07 $186.08 $155.00 58.1% 16.1% 54.2% 38.9% 58.2% -1.1% -1.7% 81.4M -8.62B -29.5M 0.78 12.44 N/A N/A 131,139 102,702 849,591 1,001,209 2025-10-08 $195.34 $155.00 61.0% 17.1% 55.1% 44.1% 60.4% -2.1% -0.8% 113.9M -10.57B -29.4M 0.80 12.37 N/A N/A 127,919 102,868 867,852 1,039,193 2025-10-09 $192.55 $155.00 59.7% 16.8% 51.7% 41.8% 60.8% -2.0% -1.5% 96.0M -9.91B -30.1M 0.97 22.54 N/A N/A 89,372 86,432 882,649 1,060,103 2025-10-10 $183.01 $155.00 62.8% 17.5% 54.8% 47.3% 61.7% 4.5% -2.7% -28.1M -7.50B -30.6M 0.94 27.59 N/A N/A 116,499 109,179 895,279 1,089,484 2025-10-13 $192.61 $155.00 61.1% 17.2% 56.8% 44.3% 61.2% 1.1% -1.3% 106.6M -9.62B -29.9M 0.49 13.48 N/A N/A 108,048 52,678 845,133 985,694 2025-10-14 $188.87 $155.00 61.3% 17.3% 57.8% 44.6% 61.7% 1.1% -0.9% 95.9M -8.90B -30.5M 0.63 27.76 N/A N/A 58,959 37,305 868,350 998,913 2025-10-15 $191.49 $155.00 63.0% 17.9% 57.8% 47.7% 63.5% -0.1% -1.0% 115.1M -9.56B -30.1M 0.59 17.24 N/A N/A 66,405 39,221 885,448 1,009,417 2025-10-16 $201.73 $155.00 67.6% 19.3% 57.8% 55.9% 68.6% 0.1% -0.4% 154.8M -11.56B -30.9M 0.47 24.36 N/A N/A 287,033 135,117 894,262 1,022,241 2025-10-17 $202.30 $160.00 65.6% 18.7% 55.5% 52.4% 67.0% 2.4% -0.6% 159.6M -11.51B -31.4M 0.61 25.90 N/A N/A 134,257 81,410 907,659 1,055,748 2025-10-20 $206.88 $160.00 64.7% 18.5% 55.6% 50.7% 66.3% 0.7% -2.1% 91.3M -9.29B -30.1M 0.66 7.05 N/A N/A 121,176 79,446 721,427 817,074 2025-10-21 $203.20 $160.00 61.2% 17.5% 56.6% 44.4% 62.3% 1.9% -1.8% 85.5M -8.73B -30.5M 1.02 8.91 N/A N/A 61,122 62,185 752,416 847,227 2025-10-22 $198.84 $165.00 63.2% 18.1% 55.8% 48.0% 65.0% 3.1% -2.0% 65.7M -8.00B -31.1M 0.82 25.01 N/A N/A 91,861 75,775 764,882 875,188 2025-10-23 $205.63 $165.00 61.0% 17.5% 53.7% 44.0% 63.3% 1.8% -1.1% 109.1M -9.29B -31.7M 0.72 11.37 N/A N/A 86,505 62,666 785,492 895,304 2025-10-24 $219.01 $165.00 63.0% 18.3% 56.0% 47.6% 64.8% 1.4% -2.2% 174.4M -11.66B -31.2M 0.55 9.25 N/A N/A 200,574 110,063 803,592 908,636 2025-10-27 $219.93 $165.00 64.1% 18.9% 54.8% 49.6% 67.5% 1.1% 0.1% 97.7M -10.83B -31.4M 0.93 9.38 N/A N/A 82,210 76,673 766,191 870,718 2025-10-28 $222.76 $170.00 63.6% 19.0% 54.8% 48.8% 67.3% 0.5% 1.1% 100.4M -11.24B -31.8M 0.69 9.27 N/A N/A 68,827 47,576 783,776 907,285 2025-10-29 $226.82 $170.00 67.0% 19.9% 47.7% 54.9% 71.3% -1.4% -0.1% 100.1M -11.80B -32.3M 0.71 10.69 N/A N/A 121,850 86,733 788,778 926,637 2025-10-30 $225.41 $170.00 60.9% 18.0% 48.1% 43.8% 64.8% -0.5% 0.1% 110.7M -11.64B -31.4M 0.93 8.60 N/A N/A 59,870 55,827 805,052 962,455 2025-10-31 $224.59 $175.00 62.5% 18.6% 48.1% 46.7% 66.4% -0.0% 0.4% 115.4M -11.50B -32.0M 0.89 10.06 N/A N/A 94,701 84,385 816,248 974,337
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