ACMR Options History — January 2026

In January 2026, ACMR traded between $44.87 and $57.66. ATM implied volatility averaged 75.5%, placing in the 33.9% IV rank vs the trailing year. The 30-day expected move averaged 21.1%. IV traded above realized volatility by 10.3% (HV 20d: 65.1%). Max pain ranged from $30.00 to $32.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 18 of 20 days. Put/call ratio averaged 0.29.

Notable Days

  • 2026-01-06: Highest Volume — 6,082 contracts
  • 2026-01-14: Largest IV drop — 21.3% change
  • 2026-01-13: Highest IV Rank — 57.0%
  • 2026-01-21: Largest Expected Move — 22.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$51.35$44.87$57.66$44.87$57.66
Max Pain$30.20$30.00$32.00$32.00$30.00
ATM IV75.5%68.7%93.1%68.7%77.8%
Expected Move21.1%19.7%22.8%19.7%22.3%
HV 20d65.1%60.4%70.5%60.9%70.5%
HV 60d73.5%70.7%75.6%75.4%74.4%
IV Rank33.9%25.1%57.0%25.1%37.0%
IV Percentile74.1%61.1%94.0%61.1%79.0%
Term Structure3.0%-0.6%6.6%1.9%6.6%
VWIV74.6%69.1%79.0%69.1%78.4%
Skew 25d0.6%-5.2%4.8%1.8%3.2%
Skew 10d3.0%-10.4%17.6%-2.2%17.6%
Call IV 25d75.4%67.6%79.1%67.6%77.3%
Put IV 25d76.0%69.4%82.3%69.4%80.5%
Bid-Ask Spread %60.8141.5572.0865.5663.65
Gamma HHI0.130.100.160.140.16
Net GEX1.7M1.3M2.5M1.8M1.6M
Net DEX-159.2M-223.8M-113.2M-123.7M-160.5M
Net VEX-276.0K-307.4K-223.7K-223.7K-307.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.290.040.680.200.13
Total Volume2,921.96666,0825,8611,542
Total OI61,650.644,66880,74862,85451,044

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-01-02$44.87$32.0068.7%19.7%60.9%25.1%69.1%1.8%1.9%1.8M-123.7M-223.7K0.2065.56N/AN/A4,87298939,57923,275
2026-01-05$45.20$30.0076.8%20.4%60.9%35.7%71.1%2.5%2.7%2.1M-131.9M-240.5K0.3056.22N/AN/A2,02961042,90023,366
2026-01-06$47.00$30.0075.3%20.8%61.6%33.7%72.3%1.1%4.2%2.1M-151.7M-244.2K0.1352.55N/AN/A5,38769544,00223,628
2026-01-07$47.40$30.0072.1%20.1%60.5%29.6%70.3%1.1%5.0%2.5M-156.9M-269.9K0.1553.82N/AN/A2,40336846,83524,042
2026-01-08$48.64$30.0076.5%21.1%60.4%35.3%73.5%-0.9%4.0%2.4M-172.3M-267.4K0.5654.54N/AN/A1,39277847,56924,212
2026-01-09$53.16$30.0072.7%21.4%61.6%30.3%76.8%-1.3%-0.5%1.7M-211.3M-254.2K0.2859.09N/AN/A2,90280148,09924,575
2026-01-12$54.02$30.0083.5%21.1%61.3%44.4%74.5%-2.9%3.4%1.5M-219.4M-252.4K0.3554.64N/AN/A2,9161,02248,78525,053
2026-01-13$50.69$30.0093.1%21.2%66.4%57.0%74.8%-0.9%2.4%2.0M-194.9M-262.6K0.4165.77N/AN/A2,34194849,81925,518
2026-01-14$50.47$30.0073.3%21.0%64.5%31.1%74.1%0.3%1.7%1.9M-194.4M-268.4K0.3372.08N/AN/A81626950,34726,035
2026-01-15$52.37$30.0071.7%20.5%63.7%29.0%74.8%-5.2%4.9%1.5M-212.9M-261.0K0.0466.52N/AN/A4,55717750,74026,230
2026-01-16$53.07$30.0072.0%20.6%63.7%29.4%74.1%-0.8%2.6%1.5M-223.8M-286.6K0.0565.71N/AN/A5,09327354,46726,281
2026-01-20$51.34$30.0074.0%21.2%66.2%32.0%77.9%-0.0%1.1%1.3M-117.7M-288.9K0.2069.96N/AN/A1,29126134,9509,718
2026-01-21$53.86$30.0079.5%22.8%66.3%39.2%79.0%4.8%-0.6%1.4M-132.6M-296.7K0.3841.55N/AN/A2,8491,07235,5529,913
2026-01-22$51.73$30.0072.6%20.8%68.4%30.2%72.9%1.7%6.6%1.5M-121.1M-297.1K0.6853.46N/AN/A1,5461,05237,05110,750
2026-01-23$50.10$30.0071.9%20.6%68.3%29.3%74.3%-2.2%1.6%1.4M-113.2M-293.4K0.4159.07N/AN/A1,26751437,33211,357
2026-01-26$51.19$30.0074.7%21.4%68.4%32.9%75.3%3.4%0.5%1.5M-116.7M-293.4K0.3361.11N/AN/A50116537,57011,557
2026-01-27$54.25$31.0074.7%21.4%70.3%32.9%75.8%2.6%1.8%1.6M-138.5M-302.6K0.2164.74N/AN/A1,57133137,79611,631
2026-01-28$55.38$31.0073.9%21.2%69.1%31.9%75.8%3.0%4.3%1.6M-150.0M-303.3K0.2370.29N/AN/A1,61137238,69211,726
2026-01-29$54.58$30.0074.6%21.4%69.8%32.9%76.6%0.0%5.8%1.6M-141.5M-306.1K0.4165.89N/AN/A60824739,13711,879
2026-01-30$57.66$30.0077.8%22.3%70.5%37.0%78.4%3.2%6.6%1.6M-160.5M-307.4K0.1363.65N/AN/A1,36917339,10111,943