ACMR Options History — April 2025

In April 2025, ACMR traded between $18.09 and $23.92. ATM implied volatility averaged 92.1%, placing in the 57.6% IV rank vs the trailing year. The 30-day expected move averaged 26.1%. IV traded above realized volatility by 9.4% (HV 20d: 82.7%). Max pain ranged from $21.00 to $22.50. Net GEX was positive for 16 of 21 trading days. Term structure was in contango for 2 of 21 days. Put/call ratio averaged 0.88.

Notable Days

  • 2025-04-29: Highest Volume — 10,300 contracts
  • 2025-04-04: Largest IV spike — 34.5% change
  • 2025-04-07: Highest IV Rank — 100.0%
  • 2025-04-08: Largest Expected Move — 31.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$20.11$18.09$23.92$23.92$19.52
Max Pain$22.00$21.00$22.50$22.50$21.00
ATM IV92.1%66.2%126.0%68.7%98.8%
Expected Move26.1%21.4%31.1%21.6%28.3%
HV 20d82.7%63.3%96.1%64.3%96.1%
HV 60d91.0%86.7%93.5%86.7%90.0%
IV Rank57.6%26.2%100.0%30.3%63.9%
IV Percentile89.5%52.0%100.0%58.3%96.8%
Term Structure-11.6%-22.7%7.0%7.0%-22.7%
VWIV88.7%72.9%99.6%74.6%98.9%
Skew 25d17.1%6.5%73.7%8.2%8.1%
Skew 10d28.8%9.2%57.9%16.0%9.2%
Call IV 25d83.5%64.7%95.8%64.7%95.6%
Put IV 25d100.6%72.9%158.0%72.9%103.7%
Bid-Ask Spread %52.8029.6588.4029.6546.15
Gamma HHI0.070.060.080.080.07
Net GEX50.2K-40.4K216.9K216.9K-40.4K
Net DEX2.8M-12.3M9.0M-12.3M6.7M
Net VEX-184.8K-232.9K-152.4K-232.9K-190.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.880.143.800.690.56
Total Volume1,956.23830710,3007531,175
Total OI55,827.09550,76761,79954,96461,799

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-04-01$23.92$22.5068.7%21.6%64.3%30.3%74.6%8.2%7.0%216.9K-12.3M-232.9K0.6929.65N/AN/A44530832,46522,499
2025-04-02$23.53$22.5066.2%21.4%63.3%26.2%72.9%6.5%-5.1%185.5K-9.8M-228.4K0.1432.53N/AN/A80911632,59122,615
2025-04-03$22.20$22.5077.1%23.1%65.9%44.4%79.9%8.9%-7.5%131.2K-4.7M-216.4K0.9939.13N/AN/A1,2221,20932,87622,630
2025-04-04$20.47$22.50103.8%27.6%69.8%88.8%89.2%14.5%-13.9%73.0K1.5M-202.6K0.6043.57N/AN/A1,60997133,19823,302
2025-04-07$18.87$22.50115.0%28.6%73.6%100.0%95.0%21.5%-17.0%23.5K7.3M-178.9K0.7451.50N/AN/A1,12283533,38423,543
2025-04-08$18.09$22.50126.0%31.1%70.6%100.0%94.7%24.1%-21.5%9489.0M-167.5K0.7446.91N/AN/A87464433,56123,561
2025-04-09$20.05$22.5092.8%26.6%82.8%55.9%92.3%19.8%-12.0%24.1K4.4M-189.9K0.7656.72N/AN/A1,5181,15033,51723,755
2025-04-10$18.37$22.5088.2%25.3%86.0%49.9%83.5%73.7%7.0%24.4K7.6M-178.4K0.2088.40N/AN/A2,81956033,99723,859
2025-04-11$19.41$22.5096.1%27.6%85.7%60.4%93.5%21.8%-13.1%15.2K6.3M-181.4K0.3856.43N/AN/A55521234,35724,103
2025-04-14$20.17$22.5091.3%26.2%86.0%54.1%83.7%19.9%-11.2%50.9K3.6M-189.1K0.6452.62N/AN/A52633934,78124,226
2025-04-15$20.63$22.5086.8%24.9%87.3%48.1%78.6%17.0%-10.0%50.9K2.4M-190.3K0.3351.56N/AN/A93931334,72324,290
2025-04-16$19.62$22.5088.3%25.3%88.0%50.1%89.1%17.4%-11.8%-5.1K6.5M-177.3K2.1158.06N/AN/A5051,06434,53224,266
2025-04-17$19.45$22.5086.8%24.9%85.9%48.0%87.4%16.3%-11.7%26.3K6.5M-169.6K3.3560.85N/AN/A14247534,71623,272
2025-04-21$18.36$22.5094.3%27.0%87.1%58.0%93.5%17.2%-7.3%-2.4K6.7M-157.7K0.4760.22N/AN/A1,79584129,55521,212
2025-04-22$18.50$21.0089.6%25.7%85.8%51.8%88.4%13.6%-9.1%-22.0K7.3M-155.5K0.4362.81N/AN/A35415129,29221,849
2025-04-23$19.84$21.0091.6%26.3%90.0%54.4%90.0%13.9%-15.0%27.0K3.4M-169.4K0.2760.31N/AN/A1,01227429,35821,883
2025-04-24$20.86$21.0091.0%26.1%93.1%53.6%90.6%8.8%-15.7%98.1K-1.2M-183.1K0.4761.89N/AN/A1,55573029,95721,878
2025-04-25$21.27$21.0091.3%26.2%93.8%54.1%90.7%9.2%-18.0%114.2K-2.0M-188.7K0.4859.52N/AN/A20710030,85422,537
2025-04-28$20.68$21.0094.0%27.0%87.1%57.6%97.1%8.7%-15.2%94.7K126.4K-180.6K0.3145.89N/AN/A99531130,93022,546
2025-04-29$18.50$21.0095.4%27.4%93.9%59.5%99.6%9.8%-20.8%-31.6K8.7M-152.4K3.8044.10N/AN/A2,1468,15431,36722,733
2025-04-30$19.52$21.0098.8%28.3%96.1%63.9%98.9%8.1%-22.7%-40.4K6.7M-190.8K0.5646.15N/AN/A75542032,48729,312