ACMR Options History — February 2026

In February 2026, ACMR traded between $53.88 and $70.96. ATM implied volatility averaged 93.2%, placing in the 57.1% IV rank vs the trailing year. The 30-day expected move averaged 26.9%. IV traded above realized volatility by 5.8% (HV 20d: 87.4%). Max pain ranged from $31.00 to $57.50. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 4 of 19 days. Put/call ratio averaged 0.25.

Notable Days

  • 2026-02-11: Highest Volume — 8,938 contracts
  • 2026-02-26: Largest IV drop — 20.0% change
  • 2026-02-24: Highest IV Rank — 73.7%
  • 2026-02-24: Largest Expected Move — 30.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$62.87$53.88$70.96$60.30$55.13
Max Pain$50.82$31.00$57.50$31.00$57.50
ATM IV93.2%83.0%105.9%83.8%84.6%
Expected Move26.9%23.8%30.4%24.0%24.3%
HV 20d87.4%60.1%112.7%60.1%112.7%
HV 60d69.2%57.0%80.4%73.2%80.4%
IV Rank57.1%43.8%73.7%44.9%45.9%
IV Percentile90.1%75.8%98.0%83.7%77.8%
Term Structure-4.1%-14.2%6.8%6.8%-6.2%
VWIV93.7%83.6%105.2%84.2%83.6%
Skew 25d2.4%-6.3%7.9%6.1%3.1%
Skew 10d3.8%-4.9%20.5%20.5%7.0%
Call IV 25d93.0%81.6%101.0%81.6%82.9%
Put IV 25d95.3%84.2%108.5%87.7%86.0%
Bid-Ask Spread %36.6220.8072.4972.4946.82
Gamma HHI0.170.130.220.170.14
Net GEX1.6M629.4K2.2M1.6M629.4K
Net DEX-171.4M-254.8M-51.4M-180.1M-51.4M
Net VEX-312.5K-338.8K-274.7K-313.7K-274.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.250.050.980.290.25
Total Volume2,589.2117488,9384,2841,130
Total OI50,378.89530,64961,08451,81033,164

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-02-02$60.30$31.0083.8%24.0%60.1%44.9%84.2%6.1%6.8%1.6M-180.1M-313.7K0.2972.49N/AN/A3,30897639,77312,037
2026-02-03$61.26$31.0085.5%24.5%60.1%47.0%86.6%2.3%5.3%1.7M-190.3M-317.4K0.1367.62N/AN/A2,38129941,22512,302
2026-02-04$56.65$31.0085.4%24.5%67.8%46.9%86.9%-0.2%4.9%1.7M-158.4M-315.2K0.2270.87N/AN/A1,84140341,11812,455
2026-02-05$53.88$52.5088.6%25.8%71.0%51.1%90.1%-6.3%-3.7%1.7M-138.1M-311.4K0.0625.13N/AN/A1,88311442,03312,538
2026-02-06$62.64$52.5083.8%25.7%87.5%44.9%88.8%1.6%0.3%1.8M-197.9M-316.0K0.2823.51N/AN/A2,39867241,85412,548
2026-02-09$62.56$52.5085.3%25.9%82.8%46.9%92.1%3.2%-0.3%1.8M-197.1M-306.2K0.4925.63N/AN/A50224642,11912,846
2026-02-10$63.40$52.5085.1%25.0%82.7%46.6%88.2%2.4%-1.1%1.9M-204.8M-301.9K0.3025.10N/AN/A73221942,40712,970
2026-02-11$70.96$52.5092.9%26.6%86.1%56.7%92.0%-0.2%-3.6%1.5M-254.8M-288.9K0.2231.32N/AN/A7,3291,60942,50413,125
2026-02-12$64.06$55.0097.2%27.9%95.8%62.4%97.2%-0.8%-5.9%2.1M-218.4M-338.8K0.2030.27N/AN/A2,60652646,74013,729
2026-02-13$65.05$55.00101.7%29.2%95.3%68.2%98.3%3.4%-8.3%2.1M-228.6M-338.1K0.1126.29N/AN/A2,00122147,28813,796
2026-02-17$64.78$55.0098.9%28.3%95.5%64.5%97.6%5.7%-7.5%2.2M-223.1M-327.0K0.1327.24N/AN/A1,66422447,09513,889
2026-02-18$64.50$55.00101.0%29.0%94.3%67.3%99.9%2.0%-8.7%2.2M-220.2M-320.0K0.1131.85N/AN/A1,05211246,80713,887
2026-02-19$65.02$55.0098.5%28.2%93.3%64.1%99.2%3.4%-3.7%2.2M-221.8M-315.4K0.0828.38N/AN/A9578046,61513,909
2026-02-20$66.19$55.00102.0%29.2%91.4%68.6%101.0%-1.3%-14.2%985.0K-229.4M-310.4K0.0534.57N/AN/A5,56726746,16013,935
2026-02-23$65.09$55.00104.1%29.8%90.6%71.4%102.9%5.8%-11.6%1.1M-86.9M-313.6K0.1436.51N/AN/A97113824,0936,556
2026-02-24$68.12$55.00105.9%30.4%91.3%73.7%105.2%7.9%-8.1%1.2M-99.4M-321.8K0.2733.16N/AN/A74520024,5796,616
2026-02-25$68.06$55.00103.7%29.7%89.9%70.9%102.5%6.8%-8.3%1.2M-100.8M-322.5K0.9820.80N/AN/A1,1561,13824,9996,671
2026-02-26$56.95$57.5083.0%23.8%112.2%43.8%84.5%-0.1%-3.3%729.8K-55.4M-284.2K0.5238.23N/AN/A2,3211,20725,3077,510
2026-02-27$55.13$57.5084.6%24.3%112.7%45.9%83.6%3.1%-6.2%629.4K-51.4M-274.7K0.2546.82N/AN/A90122925,2927,872