OPK Options History — January 2026

In January 2026, OPK traded between $1.27 and $1.38. ATM implied volatility averaged 75.9%, placing in the 23.9% IV rank vs the trailing year. The 30-day expected move averaged 19.8%. IV traded above realized volatility by 42.0% (HV 20d: 33.9%). Max pain ranged from $0.50 to $1.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 19 of 20 days. Put/call ratio averaged 0.04.

Notable Days

  • 2026-01-22: Highest Volume — 1,089 contracts
  • 2026-01-20: Largest IV spike — 137.9% change
  • 2026-01-12: Highest IV Rank — 55.5%
  • 2026-01-20: Largest Expected Move — 35.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$1.31$1.27$1.38$1.27$1.27
Max Pain$0.95$0.50$1.00$1.00$1.00
ATM IV75.9%41.7%135.7%53.3%56.0%
Expected Move19.8%12.0%35.9%15.3%16.1%
HV 20d33.9%29.9%38.7%33.1%36.1%
HV 60d37.2%32.5%39.4%36.6%32.5%
IV Rank23.9%5.9%55.5%12.0%13.5%
IV Percentile59.6%14.7%95.2%45.2%48.4%
Term Structure26.1%-29.4%50.7%-29.4%25.3%
VWIV115.1%46.8%321.2%66.0%61.3%
Skew 25d34.5%-18.2%108.8%4.7%12.6%
Skew 10d26.4%-5.4%115.3%11.9%-5.4%
Call IV 25d55.1%34.8%83.0%69.0%54.4%
Put IV 25d89.7%57.9%153.2%73.7%67.0%
Bid-Ask Spread %99.8062.52127.4462.5278.85
Gamma HHI0.360.230.710.580.23
Net GEX28.4K15.6K68.4K42.2K16.4K
Net DEX-1.3M-1.9M-1.1M-1.3M-1.1M
Net VEX-9.0K-10.1K-8.0K-9.2K-8.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.040.000.220.210.01
Total Volume341.55151,08964100
Total OI42,364.9525,57155,93654,97826,487

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-01-02$1.27$1.0053.3%15.3%33.1%12.0%66.0%4.7%-29.4%42.2K-1.3M-9.2K0.2162.52N/AN/A531152,2342,744
2026-01-05$1.27$1.0077.2%15.0%32.8%24.7%146.7%38.1%50.4%42.9K-1.3M-8.7K0.03111.13N/AN/A127452,2682,751
2026-01-06$1.31$1.0084.7%29.8%35.0%28.6%124.3%64.8%50.7%53.0K-1.6M-9.5K0.0698.35N/AN/A109752,3692,746
2026-01-07$1.35$1.0091.7%30.1%35.0%32.3%0.0%62.3%25.8%59.3K-1.8M-9.8K0.00113.05N/AN/A549052,4712,752
2026-01-08$1.37$1.0082.8%30.5%30.0%27.6%0.0%49.8%24.4%68.4K-1.9M-10.1K0.0096.48N/AN/A15052,9052,752
2026-01-09$1.35$1.00104.0%30.8%30.4%38.8%0.0%30.1%25.9%60.1K-1.9M-9.9K0.02109.42N/AN/A373652,9012,752
2026-01-12$1.33$1.00135.7%14.6%30.8%55.5%0.0%39.6%27.5%17.5K-1.2M-8.5K0.0191.07N/AN/A788452,9672,758
2026-01-13$1.33$1.00130.0%12.7%30.8%52.5%63.6%105.3%27.5%16.7K-1.3M-9.1K0.22104.70N/AN/A1112453,1242,760
2026-01-14$1.29$1.00114.6%32.9%31.7%44.4%84.3%40.5%30.2%15.6K-1.2M-8.8K0.06103.65N/AN/A78553,1442,741
2026-01-15$1.29$1.0051.9%14.9%29.9%11.3%85.6%108.8%30.3%15.7K-1.2M-8.4K0.00102.95N/AN/A317053,1162,699
2026-01-16$1.29$1.0052.6%15.1%29.9%11.7%82.2%30.2%30.3%17.6K-1.2M-8.4K0.0886.08N/AN/A4283553,2372,699
2026-01-20$1.31$1.00125.2%35.9%30.5%50.0%53.3%41.1%28.9%16.7K-1.1M-8.8K0.0176.95N/AN/A595424,2921,279
2026-01-21$1.38$1.0051.1%14.7%35.6%10.9%172.4%30.6%24.2%19.1K-1.2M-8.9K0.04118.81N/AN/A212924,5581,283
2026-01-22$1.38$0.5093.1%26.7%34.1%33.0%46.8%36.6%7.4%19.2K-1.2M-9.7K0.0091.39N/AN/A1,085424,6491,292
2026-01-23$1.31$0.5041.7%12.0%38.7%5.9%0.0%10.3%28.7%18.6K-1.2M-9.5K0.01116.62N/AN/A322325,0601,296
2026-01-26$1.31$1.0044.1%12.6%38.3%7.2%0.0%15.8%28.4%18.0K-1.2M-8.9K0.00112.89N/AN/A606025,1771,299
2026-01-27$1.29$1.0043.4%12.4%38.3%6.8%0.0%0.0%29.5%17.2K-1.1M-8.0K0.00104.15N/AN/A135025,2801,299
2026-01-28$1.27$1.0041.7%12.0%38.2%5.9%321.2%-12.3%30.5%16.8K-1.1M-8.7K0.07127.44N/AN/A2191525,2641,299
2026-01-29$1.27$1.0042.7%12.2%37.9%6.4%188.2%-18.2%25.7%16.6K-1.1M-9.0K0.0289.59N/AN/A4671125,2831,312
2026-01-30$1.27$1.0056.0%16.1%36.1%13.5%61.3%12.6%25.3%16.4K-1.1M-8.8K0.0178.85N/AN/A99125,1641,323