ACMR Options History — March 2026 In March 2026, ACMR traded between $37.84 and $57.14. ATM implied volatility averaged 82.9%, placing in the 43.7% IV rank vs the trailing year. The 30-day expected move averaged 23.8%. IV traded below realized volatility by 9.0% (HV 20d: 92.0%). Max pain ranged from $50.00 to $57.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 0.31.
Notable Days 2026-03-04 : Highest Volume — 13,704 contracts2026-03-09 : Largest IV drop — 7.7% change2026-03-06 : Highest IV Rank — 52.5%2026-03-13 : Largest Expected Move — 26.6%Monthly Statistics Metric Avg Min Max Open Close Price $46.10 $37.84 $57.14 $57.14 $38.93 Max Pain $52.05 $50.00 $57.50 $57.50 $50.00 ATM IV 82.9% 78.6% 89.7% 87.3% 79.7% Expected Move 23.8% 22.8% 26.6% 25.0% 22.8% HV 20d 92.0% 65.9% 115.4% 111.7% 65.9% HV 60d 84.9% 80.4% 88.6% 80.4% 85.1% IV Rank 43.7% 38.1% 52.5% 49.4% 39.5% IV Percentile 73.6% 66.3% 85.3% 82.9% 66.3% Term Structure 0.8% -4.6% 7.6% -4.6% 7.6% VWIV 82.3% 76.4% 91.5% 91.5% 77.6% Skew 25d 4.4% -3.8% 8.4% 6.5% 6.8% Skew 10d 10.9% -0.1% 24.1% 12.2% 12.8% Call IV 25d 82.3% 76.5% 91.3% 85.9% 77.2% Put IV 25d 86.7% 79.6% 95.3% 92.3% 84.0% Bid-Ask Spread % 37.25 27.13 61.79 49.87 36.51 Gamma HHI 0.15 0.09 0.28 0.15 0.12 Net GEX 716.8K 28.1K 1.7M 721.3K 446.8K Net DEX -29.4M -54.6M -12.6M -54.6M -14.2M Net VEX -242.2K -281.3K -199.9K -281.3K -206.4K Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.31 0.01 0.70 0.70 0.17 Total Volume 3,503.773 456 13,704 2,351 1,167 Total OI 41,644.182 33,414 53,948 33,414 36,642
Daily Data (22 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 2026-03-02 $57.14 $57.50 87.3% 25.0% 111.7% 49.4% 91.5% 6.5% -4.6% 721.3K -54.6M -281.3K 0.70 49.87 N/A N/A 1,382 969 25,455 7,959 2026-03-03 $51.86 $57.50 87.4% 25.1% 115.3% 49.5% 88.4% 1.1% -4.5% 413.8K -38.5M -260.2K 0.58 49.14 N/A N/A 760 442 26,259 8,815 2026-03-04 $52.03 $57.50 87.1% 25.0% 115.1% 49.2% 89.5% 4.0% -3.8% 432.0K -39.7M -264.4K 0.11 61.79 N/A N/A 12,296 1,408 26,299 9,065 2026-03-05 $48.27 $57.50 85.4% 23.5% 114.8% 46.9% 83.2% 1.7% -1.8% 626.3K -34.2M -267.1K 0.65 37.30 N/A N/A 884 573 32,381 10,071 2026-03-06 $45.39 $55.00 89.7% 23.4% 115.4% 52.5% 84.7% 1.1% 2.3% 456.9K -25.1M -241.8K 0.25 45.76 N/A N/A 1,716 425 32,171 10,202 2026-03-09 $46.62 $55.00 82.8% 24.2% 100.1% 43.5% 83.3% 8.4% 3.8% 477.8K -23.9M -241.3K 0.11 45.63 N/A N/A 1,865 201 33,474 10,344 2026-03-10 $48.03 $52.50 81.9% 23.4% 101.3% 42.3% 81.1% 5.0% 3.6% 664.5K -33.8M -250.1K 0.09 43.07 N/A N/A 1,460 130 33,564 10,310 2026-03-11 $47.83 $52.50 78.6% 23.2% 100.9% 38.1% 81.2% 3.3% 2.0% 643.6K -32.4M -250.2K 0.16 41.99 N/A N/A 1,276 202 34,424 10,416 2026-03-12 $45.68 $50.00 82.9% 26.3% 89.5% 43.6% 82.6% 5.1% -2.8% 471.5K -23.6M -240.2K 0.58 30.40 N/A N/A 461 266 34,862 10,550 2026-03-13 $46.10 $50.00 83.1% 26.6% 84.9% 43.9% 81.2% 4.3% -0.9% 422.7K -24.3M -238.1K 0.45 30.85 N/A N/A 315 141 35,167 10,600 2026-03-16 $47.20 $50.00 83.4% 23.6% 85.3% 44.3% 81.2% 5.6% 4.8% 484.5K -27.9M -235.7K 0.02 27.13 N/A N/A 12,180 252 35,071 10,580 2026-03-17 $47.50 $50.00 82.0% 23.2% 85.6% 42.5% 79.9% 4.3% 4.8% 1.4M -34.6M -243.2K 0.65 31.76 N/A N/A 370 241 41,074 10,697 2026-03-18 $46.71 $50.00 81.5% 23.1% 85.5% 41.8% 83.3% 5.9% -1.2% 1.1M -29.3M -232.4K 0.38 27.54 N/A N/A 556 212 41,184 10,855 2026-03-19 $46.68 $50.00 81.5% 23.4% 85.3% 41.8% 79.7% 6.2% -0.6% 847.2K -26.4M -228.5K 0.02 35.57 N/A N/A 4,242 72 41,098 10,920 2026-03-20 $43.08 $50.00 81.0% 23.2% 87.1% 41.2% 82.1% 2.2% -0.2% 28.1K -14.5M -240.8K 0.03 27.75 N/A N/A 12,269 392 43,206 10,742 2026-03-23 $44.89 $50.00 81.7% 22.8% 89.9% 42.2% 80.5% -3.8% 0.4% 1.2M -36.5M -251.0K 0.22 29.12 N/A N/A 858 189 26,098 7,655 2026-03-24 $45.97 $50.00 80.9% 22.9% 88.1% 41.1% 77.2% 7.9% -0.0% 1.6M -41.1M -259.9K 0.19 28.27 N/A N/A 1,073 203 26,795 7,761 2026-03-25 $45.36 $50.00 79.6% 23.2% 87.9% 39.4% 77.9% 6.3% 0.8% 1.7M -38.8M -255.1K 0.41 31.19 N/A N/A 431 178 27,646 7,902 2026-03-26 $41.21 $50.00 80.6% 22.9% 71.7% 40.6% 83.6% 2.2% -1.1% 471.4K -20.7M -224.2K 0.01 34.68 N/A N/A 12,245 169 27,995 8,004 2026-03-27 $39.86 $50.00 82.1% 23.3% 71.7% 42.7% 76.4% 5.8% 3.2% 767.3K -19.7M -216.2K 0.55 35.92 N/A N/A 805 445 28,095 7,876 2026-03-30 $37.84 $50.00 83.9% 24.0% 70.0% 45.0% 85.4% 7.1% 6.4% 355.0K -12.6M -199.9K 0.48 38.20 N/A N/A 923 439 27,944 7,944 2026-03-31 $38.93 $50.00 79.7% 22.8% 65.9% 39.5% 77.6% 6.8% 7.6% 446.8K -14.2M -206.4K 0.17 36.51 N/A N/A 994 173 28,481 8,161
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