AMRN Options History — December 2025

In December 2025, AMRN traded between $13.63 and $16.48. ATM implied volatility averaged 74.0%, placing in the 13.1% IV rank vs the trailing year. The 30-day expected move averaged 20.9%. IV traded above realized volatility by 26.9% (HV 20d: 47.1%). Max pain ranged from $15.00 to $17.00. Net GEX was positive for 13 of 22 trading days. Term structure was in contango for 7 of 22 days. Put/call ratio averaged 0.44.

Notable Days

  • 2025-12-26: Highest Volume — 947 contracts
  • 2025-12-05: Largest IV spike — 55.3% change
  • 2025-12-05: Highest IV Rank — 24.8%
  • 2025-12-02: Largest Expected Move — 29.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$14.51$13.63$16.48$15.41$14.00
Max Pain$16.18$15.00$17.00$15.00$15.00
ATM IV74.0%50.3%105.3%76.2%71.2%
Expected Move20.9%15.2%29.8%21.9%20.4%
HV 20d47.1%34.8%54.4%36.8%48.6%
HV 60d51.8%48.0%54.0%48.5%48.4%
IV Rank13.1%4.2%24.8%13.9%12.1%
IV Percentile29.9%0.8%82.5%31.7%19.4%
Term Structure-6.0%-28.0%36.2%-19.8%-16.8%
VWIV79.3%53.1%129.4%62.5%129.4%
Skew 25d-2.7%-76.3%42.6%-6.7%-55.5%
Skew 10d-21.7%-81.5%38.6%-18.3%-60.6%
Call IV 25d80.6%49.9%114.0%67.1%114.0%
Put IV 25d77.9%32.4%107.6%60.4%58.5%
Bid-Ask Spread %123.66110.93135.71119.81130.68
Gamma HHI0.280.130.650.200.24
Net GEX-4.4K-72.0K40.3K7.1K17.9K
Net DEX-375.3K-1.1M192.1K-657.9K-518.8K
Net VEX-4.7K-7.4K-3.0K-6.2K-3.9K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.440.003.330.110.28
Total Volume144.81869472123
Total OI7,257.4094,2328,8367,9075,536

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-12-01$15.41$15.0076.2%21.9%36.8%13.9%62.5%-6.7%-19.8%7.1K-657.9K-6.2K0.11119.811925,9841,923
2025-12-02$15.63$15.00103.9%29.8%34.8%24.3%70.2%18.6%2.1%13.2K-744.7K-7.1K0.10121.285256,0011,925
2025-12-03$16.20$15.0092.0%26.4%36.3%19.9%70.6%17.7%-24.4%9.7K-836.6K-6.6K0.04114.86243106,0381,929
2025-12-04$16.48$17.0067.8%20.2%36.6%10.8%69.5%-3.6%9.4%40.3K-1.1M-5.4K0.10123.265156,2521,939
2025-12-05$16.45$17.00105.3%19.2%36.3%24.8%101.3%-2.3%8.5%28.5K-1.1M-7.4K0.00121.5618306,2691,941
2025-12-08$15.06$17.0050.3%17.4%48.5%4.2%75.2%-16.7%36.2%-7.0K-594.7K-5.6K0.36110.9353196,4201,941
2025-12-09$14.05$17.0067.4%18.8%53.9%10.6%70.7%9.4%22.4%-46.8K115.7K-4.9K0.44111.51112496,4351,958
2025-12-10$14.34$17.0073.1%20.9%53.9%12.8%78.8%-17.3%6.2%-30.1K-69.6K-5.5K0.36129.0158216,4991,958
2025-12-11$14.59$17.0087.1%25.0%54.4%18.0%77.5%32.4%-3.7%-19.1K-295.6K-4.4K0.06119.613126,5461,979
2025-12-12$14.29$17.0077.2%22.1%54.4%14.3%80.8%-33.5%-5.1%-22.3K1.0K-5.4K0.25121.5280206,6121,977
2025-12-15$14.14$17.0079.9%22.9%54.3%15.3%0.0%-20.1%-5.3%-34.1K10.1K-5.3K3.33128.733106,6651,997
2025-12-16$14.05$17.0079.3%22.7%53.8%15.1%98.1%-6.9%-17.6%-49.5K-150.3K-4.8K0.05116.048746,6651,997
2025-12-17$13.84$17.0085.7%24.6%49.4%17.5%107.1%-3.5%-21.4%-23.7K192.1K-4.8K2.15135.7113286,6922,001
2025-12-18$13.79$17.0075.1%21.5%48.4%13.5%55.5%14.2%-28.0%-72.0K182.1K-3.6K0.03127.867226,6921,987
2025-12-19$13.91$17.0084.8%24.3%47.9%17.2%53.1%37.0%-16.2%15.5K-255.7K-3.6K0.21124.75141296,7492,087
2025-12-22$13.78$17.0057.1%16.4%47.8%6.8%62.0%22.5%-7.2%11.3K-388.9K-3.3K0.05120.78302164,065167
2025-12-23$13.63$15.0067.7%19.4%47.4%10.8%0.0%0.7%-6.4%11.8K-425.5K-3.6K0.00129.43604,159182
2025-12-24$13.72$15.0060.3%17.3%47.6%8.0%58.7%-3.1%-13.9%12.7K-356.1K-3.0K0.88135.3717154,164182
2025-12-26$14.18$15.0058.0%16.6%48.6%7.1%105.7%-76.3%-21.0%12.1K-369.3K-3.1K0.00124.8894704,173187
2025-12-29$14.09$15.0055.4%15.9%48.6%6.1%80.8%-9.4%3.1%14.9K-517.0K-3.7K0.00129.6343325,077187
2025-12-30$13.70$15.0053.1%15.2%48.2%5.3%129.4%42.6%-13.3%13.4K-440.1K-3.3K0.91123.3111105,337189
2025-12-31$14.00$15.0071.2%20.4%48.6%12.1%0.0%-55.5%-16.8%17.9K-518.8K-3.9K0.28130.681855,336200