ACMR Options History — October 2023

In October 2023, ACMR traded between $12.82 and $20.11. ATM implied volatility averaged 83.1%, placing in the 37.4% IV rank vs the trailing year. The 30-day expected move averaged 24.2%. IV traded above realized volatility by 8.2% (HV 20d: 74.9%). Max pain ranged from $12.50 to $17.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 4 of 22 days. Put/call ratio averaged 0.39.

Notable Days

  • 2023-10-27: Highest Volume — 5,632 contracts
  • 2023-10-11: Largest IV spike — 11.8% change
  • 2023-10-31: Highest IV Rank — 57.9%
  • 2023-10-31: Largest Expected Move — 28.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.82$12.82$20.11$18.46$13.61
Max Pain$14.32$12.50$17.50$17.50$15.00
ATM IV83.1%68.2%97.5%68.2%97.5%
Expected Move24.2%19.6%28.0%19.6%28.0%
HV 20d74.9%58.0%114.1%58.0%114.1%
HV 60d68.5%60.1%85.7%60.1%85.4%
IV Rank37.4%16.2%57.9%16.2%57.9%
IV Percentile64.7%21.8%90.9%21.8%90.9%
Term Structure-5.4%-9.9%7.4%4.8%-9.9%
VWIV84.3%69.1%98.0%69.1%95.8%
Skew 25d3.8%0.5%6.7%3.7%2.9%
Skew 10d7.0%0.8%14.5%11.1%0.8%
Call IV 25d83.6%67.3%98.4%67.3%96.1%
Put IV 25d87.4%71.0%100.7%71.0%99.1%
Bid-Ask Spread %29.6211.6463.6556.1114.09
Gamma HHI0.220.170.300.220.19
Net GEX273.3K94.5K433.0K275.1K116.7K
Net DEX-15.4M-23.0M-1.7M-16.5M-3.1M
Net VEX-55.9K-64.7K-38.2K-54.6K-43.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.390.031.671.141.67
Total Volume1,840.7732595,6325491,539
Total OI25,162.63622,47828,53822,51128,538

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2023-10-02$18.46$17.5068.2%19.6%58.0%16.2%69.1%3.7%4.8%275.1K-16.5M-54.6K1.1456.11N/AN/A25629316,7775,734
2023-10-03$17.09$17.5069.8%20.0%58.9%18.4%70.6%6.1%4.1%249.1K-12.3M-52.4K0.8563.65N/AN/A41135016,9595,850
2023-10-04$17.94$17.5068.7%19.7%61.8%16.8%69.3%2.4%7.4%277.2K-15.1M-54.0K0.4426.67N/AN/A1858217,0445,800
2023-10-05$17.32$12.5068.3%21.4%62.4%16.2%74.9%1.8%-3.2%263.5K-12.8M-52.6K0.1937.09N/AN/A2184117,0385,827
2023-10-06$18.66$12.5070.1%22.1%68.3%18.8%76.9%3.0%-6.2%292.4K-17.3M-54.0K0.6434.69N/AN/A56335817,1065,838
2023-10-09$18.21$12.5074.8%22.9%68.8%25.6%80.0%3.4%-6.6%292.4K-16.1M-53.5K0.4224.82N/AN/A1,49762717,3395,961
2023-10-10$19.73$12.5072.0%22.6%72.0%21.6%79.2%3.1%-7.1%303.0K-21.1M-57.6K0.1623.86N/AN/A1,90530617,6596,262
2023-10-11$20.11$12.5080.6%23.1%72.1%33.8%80.7%0.5%-8.6%311.4K-23.0M-59.4K0.3637.85N/AN/A1,03337418,3946,421
2023-10-12$19.73$12.5078.5%22.5%69.5%30.8%79.5%3.2%-5.7%329.9K-21.9M-61.0K0.2027.69N/AN/A59212118,8336,591
2023-10-13$18.98$12.5080.8%23.2%63.8%34.1%81.3%4.4%-6.8%331.3K-19.0M-59.5K0.1435.16N/AN/A4376318,7956,653
2023-10-16$18.68$12.5081.9%23.5%64.4%35.7%82.4%4.3%-7.5%348.2K-18.2M-57.8K0.2934.97N/AN/A3359818,9096,654
2023-10-17$19.68$12.5090.6%26.0%66.2%48.1%91.0%2.2%-8.9%329.2K-22.0M-59.5K0.1530.74N/AN/A3,71856318,9626,703
2023-10-18$19.16$15.0087.9%25.2%67.3%44.3%89.6%3.3%-7.4%383.6K-21.1M-64.0K0.1615.36N/AN/A4607421,1127,137
2023-10-19$17.39$15.0088.1%25.3%76.8%44.5%87.7%6.1%2.3%433.0K-13.4M-58.3K0.0935.47N/AN/A3,09829221,2527,177
2023-10-20$17.98$15.0089.4%25.6%77.4%46.4%87.3%3.2%-7.6%200.7K-17.3M-58.2K0.1811.64N/AN/A75013820,5177,292
2023-10-23$18.21$15.0092.5%26.5%75.3%50.8%91.1%5.1%-9.1%210.3K-14.0M-58.0K0.0422.97N/AN/A1,8417917,1635,315
2023-10-24$18.70$15.0093.3%26.8%75.5%51.9%91.2%6.7%-8.7%263.1K-16.6M-60.9K0.0319.60N/AN/A3,6989818,6045,343
2023-10-25$18.27$15.0091.8%26.3%74.9%49.8%89.8%6.0%-8.2%282.2K-16.5M-64.7K0.2242.04N/AN/A1,55233920,0315,406
2023-10-26$17.52$15.0091.9%26.4%74.8%50.0%91.6%4.8%-8.3%278.0K-14.7M-64.2K0.1713.43N/AN/A1,38023920,8085,618
2023-10-27$13.84$15.0096.4%27.6%111.7%56.3%97.9%4.2%-9.4%147.0K-4.3M-44.3K0.2521.61N/AN/A4,4931,13920,9895,836
2023-10-30$12.82$15.0095.1%27.3%113.1%54.5%98.0%2.3%-8.8%94.5K-1.7M-38.2K0.7622.10N/AN/A2,7602,10220,9046,427
2023-10-31$13.61$15.0097.5%28.0%114.1%57.9%95.8%2.9%-9.9%116.7K-3.1M-43.5K1.6714.09N/AN/A57696320,9077,631