OPK Options History — May 2025

In May 2025, OPK traded between $1.25 and $1.41. ATM implied volatility averaged 62.7%, placing in the 18.7% IV rank vs the trailing year. The 30-day expected move averaged 13.1%. IV traded above realized volatility by 14.4% (HV 20d: 48.3%). Max pain ranged from $1.00 to $1.50. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 16 of 21 days. Put/call ratio averaged 0.30.

Notable Days

  • 2025-05-01: Highest Volume — 1,468 contracts
  • 2025-05-14: Largest IV drop — 59.8% change
  • 2025-05-12: Highest IV Rank — 51.2%
  • 2025-05-05: Largest Expected Move — 17.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$1.31$1.25$1.41$1.35$1.37
Max Pain$1.05$1.00$1.50$1.00$1.00
ATM IV62.7%37.4%127.8%54.1%41.5%
Expected Move13.1%10.3%17.4%15.5%11.9%
HV 20d48.3%39.7%59.5%56.2%47.0%
HV 60d50.9%46.6%52.4%49.3%46.6%
IV Rank18.7%6.1%51.2%14.5%8.2%
IV Percentile41.7%6.3%96.0%40.1%13.9%
Term Structure15.0%-19.3%39.3%18.5%-0.1%
VWIV64.8%43.5%130.1%69.1%46.8%
Skew 25d18.5%-3.0%68.1%33.3%68.1%
Skew 10d10.2%-1.1%65.4%14.7%65.4%
Call IV 25d42.8%36.2%58.6%48.6%39.1%
Put IV 25d61.3%44.5%107.3%82.0%107.3%
Bid-Ask Spread %31.4314.2256.4414.2249.72
Gamma HHI0.410.360.470.360.47
Net GEX58.6K47.9K88.0K70.9K61.5K
Net DEX-3.0M-4.0M-2.5M-3.4M-3.2M
Net VEX-25.7K-29.9K-23.7K-28.2K-25.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.300.002.720.022.72
Total Volume425.857261,4681,468566
Total OI108,706.714107,735110,558107,972108,939

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-05-01$1.35$1.0054.1%15.5%56.2%14.5%69.1%33.3%18.5%70.9K-3.4M-28.2K0.0214.22N/AN/A1,44424100,5527,420
2025-05-02$1.41$1.0041.1%11.8%57.8%8.0%130.1%43.6%37.1%88.0K-4.0M-29.9K0.0041.18N/AN/A6513100,2967,439
2025-05-05$1.35$1.5055.5%17.4%59.3%15.1%62.9%-3.0%-4.8%71.0K-3.4M-27.6K0.0227.22N/AN/A2606100,3457,442
2025-05-06$1.31$1.5069.5%14.2%59.5%22.1%43.5%16.2%28.6%66.1K-3.1M-26.7K0.0517.44N/AN/A55130100,3407,442
2025-05-07$1.25$1.00100.7%12.9%58.8%37.7%44.1%6.6%25.1%47.9K-2.5M-23.7K0.0456.44N/AN/A37016100,7007,347
2025-05-08$1.27$1.0090.5%11.3%56.7%32.6%0.0%9.2%29.2%50.0K-2.7M-24.3K2.0425.31N/AN/A54110100,8287,356
2025-05-09$1.25$1.00114.2%16.2%43.9%44.4%73.8%8.6%-19.3%49.1K-2.7M-24.7K0.4947.08N/AN/A792390100,8777,465
2025-05-12$1.27$1.00127.8%11.9%39.7%51.2%61.8%9.5%-0.1%49.9K-2.6M-24.3K0.1247.05N/AN/A24329101,6087,688
2025-05-13$1.31$1.00126.4%10.3%41.3%50.5%70.3%13.3%0.8%52.4K-2.9M-25.7K0.0023.96N/AN/A9753101,7067,683
2025-05-14$1.27$1.0050.9%14.6%42.2%12.8%51.9%11.8%2.2%54.3K-2.7M-24.7K0.0724.96N/AN/A544102,6117,685
2025-05-15$1.33$1.0045.9%13.1%46.0%10.3%47.8%5.5%-12.4%55.5K-3.0M-26.0K0.1146.44N/AN/A34840102,6427,673
2025-05-16$1.35$1.0044.3%12.7%46.5%9.5%0.0%21.9%39.3%65.1K-3.3M-26.5K0.0043.66N/AN/A540102,8457,713
2025-05-19$1.33$1.0040.2%11.5%45.7%7.5%67.9%20.4%2.8%55.2K-3.0M-25.6K0.0029.25N/AN/A6731100,3927,581
2025-05-20$1.35$1.0046.9%13.4%43.1%10.8%0.0%23.3%32.1%64.6K-3.2M-26.6K0.3029.21N/AN/A4413100,8937,581
2025-05-21$1.31$1.0040.4%11.6%43.6%7.6%54.0%16.8%27.6%54.1K-3.0M-25.7K0.0026.92N/AN/A540100,8867,594
2025-05-22$1.27$1.0037.4%10.7%44.5%6.1%0.0%4.1%27.4%52.2K-2.7M-24.5K0.0018.54N/AN/A260100,9217,594
2025-05-23$1.27$1.0048.7%14.0%43.9%11.7%51.6%13.9%27.3%51.3K-2.6M-24.1K0.0419.85N/AN/A261100,9347,594
2025-05-27$1.31$1.0045.0%12.9%45.6%9.9%96.4%18.4%26.7%54.6K-2.8M-24.8K0.0022.47N/AN/A3921100,9467,594
2025-05-28$1.31$1.0046.0%13.2%45.6%10.4%62.1%18.8%26.5%54.5K-2.9M-25.0K0.0026.56N/AN/A4190101,1387,595
2025-05-29$1.36$1.0050.2%14.4%47.6%12.5%67.3%28.5%0.1%62.8K-3.2M-25.7K0.3022.50N/AN/A21264101,3617,595
2025-05-30$1.37$1.0041.5%11.9%47.0%8.2%46.8%68.1%-0.1%61.5K-3.2M-25.7K2.7249.72N/AN/A152414101,2827,657