OPK Options History — July 2025

In July 2025, OPK traded between $1.29 and $1.42. ATM implied volatility averaged 50.8%, placing in the 12.8% IV rank vs the trailing year. The 30-day expected move averaged 13.5%. IV traded above realized volatility by 26.9% (HV 20d: 23.8%). Max pain ranged from $0.50 to $1.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 18 of 22 days. Put/call ratio averaged 0.14.

Notable Days

  • 2025-07-31: Highest Volume — 1,096 contracts
  • 2025-07-17: Largest IV spike — 74.9% change
  • 2025-07-03: Highest IV Rank — 28.5%
  • 2025-07-31: Largest Expected Move — 19.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$1.36$1.29$1.42$1.33$1.29
Max Pain$0.70$0.50$1.00$1.00$1.00
ATM IV50.8%32.4%82.3%54.9%67.9%
Expected Move13.5%9.3%19.5%15.7%19.5%
HV 20d23.8%18.7%30.9%24.1%30.9%
HV 60d36.2%32.9%44.0%43.9%32.9%
IV Rank12.8%3.6%28.5%14.8%21.3%
IV Percentile38.0%2.4%86.5%49.2%79.0%
Term Structure10.0%-25.9%24.8%-4.3%18.7%
VWIV70.3%44.7%98.8%83.6%89.9%
Skew 25d18.5%-12.5%47.7%26.9%22.8%
Skew 10d8.9%-16.3%82.5%12.0%5.8%
Call IV 25d47.7%33.8%71.6%50.4%59.8%
Put IV 25d66.2%51.9%108.2%77.3%82.5%
Bid-Ask Spread %67.5322.60114.7625.7966.66
Gamma HHI0.460.430.490.450.46
Net GEX56.5K51.4K64.9K52.7K53.1K
Net DEX-3.0M-3.4M-2.5M-2.8M-2.5M
Net VEX-23.0K-24.2K-21.0K-22.8K-21.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.140.001.970.130.01
Total Volume377.409351,0961771,096
Total OI73,917.572,55475,21572,55475,215

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-07-01$1.33$1.0054.9%15.7%24.1%14.8%83.6%26.9%-4.3%52.7K-2.8M-22.8K0.1325.79N/AN/A1562166,1446,410
2025-07-02$1.35$1.0052.5%15.1%24.9%13.7%59.5%32.4%-18.4%54.6K-2.8M-23.0K0.0722.60N/AN/A3822666,2746,431
2025-07-03$1.35$1.0082.3%12.2%21.2%28.5%46.2%-8.6%8.9%53.5K-2.9M-23.2K0.00102.77N/AN/A612166,2746,394
2025-07-07$1.35$1.0069.5%16.9%19.6%22.1%0.0%14.9%8.1%52.5K-2.9M-23.3K0.1564.91N/AN/A2273366,7556,394
2025-07-08$1.37$1.0074.1%13.1%20.2%24.4%84.0%7.2%7.1%56.7K-3.2M-23.3K0.0297.47N/AN/A186366,9376,397
2025-07-09$1.38$1.0046.3%13.3%20.4%10.6%0.0%12.3%6.4%59.5K-3.0M-23.4K0.02114.76N/AN/A379767,1176,400
2025-07-10$1.35$1.0046.4%13.3%21.7%10.6%45.5%7.1%18.1%57.8K-3.0M-23.4K0.0679.41N/AN/A3362067,3616,406
2025-07-11$1.35$1.0047.1%13.5%20.2%10.9%47.2%6.5%7.2%56.2K-2.9M-23.3K0.0085.46N/AN/A128067,6236,426
2025-07-14$1.33$0.5048.6%13.9%20.9%11.7%59.5%5.3%7.0%51.4K-2.9M-23.0K1.9753.70N/AN/A6512867,7256,426
2025-07-15$1.33$0.5049.4%14.2%20.2%12.1%70.4%5.4%6.7%52.3K-2.9M-23.0K0.1856.33N/AN/A2574667,7876,502
2025-07-16$1.35$0.5033.8%9.7%20.9%4.3%63.0%19.9%22.6%55.0K-2.9M-22.9K0.0068.60N/AN/A35067,7896,518
2025-07-17$1.38$0.5059.1%17.0%18.7%17.0%76.8%-12.5%-25.9%58.7K-3.2M-23.7K0.1960.30N/AN/A3466567,8116,518
2025-07-18$1.35$0.5035.0%10.0%20.7%4.9%66.2%20.5%24.2%56.0K-2.8M-22.7K0.0458.74N/AN/A167767,9786,551
2025-07-21$1.40$0.5039.2%11.2%24.0%7.0%73.7%32.4%24.8%60.8K-3.1M-23.3K0.0883.40N/AN/A3643066,8416,520
2025-07-22$1.37$0.5038.9%11.1%24.7%6.9%59.4%28.9%20.4%54.5K-3.1M-23.5K0.0154.22N/AN/A613566,9826,535
2025-07-23$1.42$0.5041.5%11.9%26.9%8.2%44.7%12.6%-0.3%62.0K-3.4M-24.2K0.0230.94N/AN/A372967,4656,539
2025-07-24$1.40$0.5032.4%9.3%27.7%3.6%78.7%31.2%18.4%64.9K-3.1M-23.1K0.0057.58N/AN/A227067,4596,545
2025-07-25$1.38$0.5042.0%12.0%28.1%8.4%91.2%33.3%19.0%60.1K-3.1M-23.1K0.0263.55N/AN/A6901167,6406,545
2025-07-28$1.35$0.5043.5%12.5%29.4%9.2%82.1%25.2%15.8%58.9K-2.8M-22.4K0.0173.16N/AN/A343468,1176,544
2025-07-29$1.35$0.5056.0%16.1%29.0%15.4%84.5%35.4%18.4%56.9K-2.9M-22.5K0.0052.88N/AN/A529068,3556,546
2025-07-30$1.33$0.5056.6%16.2%29.5%15.7%98.8%47.7%18.4%54.5K-2.8M-22.4K0.01112.35N/AN/A372568,4436,546
2025-07-31$1.29$1.0067.9%19.5%30.9%21.3%89.9%22.8%18.7%53.1K-2.5M-21.0K0.0166.66N/AN/A1,088868,6646,551