OPK Options History — October 2025

In October 2025, OPK traded between $1.37 and $1.58. ATM implied volatility averaged 71.0%, placing in the 26.1% IV rank vs the trailing year. The 30-day expected move averaged 17.6%. IV traded above realized volatility by 37.2% (HV 20d: 33.8%). Max pain ranged from $1.00 to $1.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 17 of 23 days. Put/call ratio averaged 0.06.

Notable Days

  • 2025-10-07: Highest Volume — 977 contracts
  • 2025-10-31: Largest IV spike — 148.7% change
  • 2025-10-31: Highest IV Rank — 90.1%
  • 2025-10-31: Largest Expected Move — 52.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$1.51$1.37$1.58$1.56$1.37
Max Pain$1.00$1.00$1.00$1.00$1.00
ATM IV71.0%44.3%183.8%63.1%183.8%
Expected Move17.6%11.1%52.7%18.1%52.7%
HV 20d33.8%26.0%46.3%41.0%46.3%
HV 60d40.2%31.9%42.4%42.2%38.6%
IV Rank26.1%10.9%90.1%21.6%90.1%
IV Percentile67.0%20.6%99.6%70.6%99.6%
Term Structure6.8%-35.8%32.8%-9.5%-35.8%
VWIV74.2%26.6%201.8%65.4%130.2%
Skew 25d62.7%-9.1%164.8%30.4%42.2%
Skew 10d116.4%8.9%299.5%36.6%10.6%
Call IV 25d58.1%37.1%99.5%60.0%99.5%
Put IV 25d120.9%49.8%215.4%90.4%141.7%
Bid-Ask Spread %99.3529.33134.4629.33117.54
Gamma HHI0.410.380.460.400.46
Net GEX57.7K51.4K62.5K59.9K55.4K
Net DEX-3.3M-3.8M-2.5M-3.6M-2.5M
Net VEX-16.7K-18.3K-14.1K-17.9K-14.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.060.000.660.010.00
Total Volume404.043137977197463
Total OI54,051.78353,08355,27853,52555,278

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-10-01$1.56$1.0063.1%18.1%41.0%21.6%65.4%30.4%-9.5%59.9K-3.6M-17.9K0.0129.33N/AN/A195250,1633,362
2025-10-02$1.56$1.0062.6%17.9%41.0%21.3%122.0%67.7%-18.5%59.9K-3.5M-17.5K0.0352.71N/AN/A206750,0653,364
2025-10-03$1.56$1.0064.1%18.4%39.7%22.2%58.8%67.4%4.1%62.5K-3.5M-17.5K0.0736.98N/AN/A2481850,0423,364
2025-10-06$1.58$1.0067.9%14.2%36.4%24.3%35.7%122.0%32.8%59.6K-3.8M-18.3K0.06104.53N/AN/A3572150,0983,364
2025-10-07$1.54$1.0067.6%16.0%38.0%24.1%67.0%129.9%2.8%58.9K-3.5M-17.6K0.0166.64N/AN/A9631450,2103,361
2025-10-08$1.54$1.0057.9%11.9%37.4%18.6%104.3%137.3%32.2%61.0K-3.5M-17.6K0.0099.06N/AN/A489250,9923,371
2025-10-09$1.56$1.0067.9%14.6%36.5%24.3%54.2%123.5%30.5%62.5K-3.6M-17.5K0.0184.19N/AN/A137150,9773,372
2025-10-10$1.52$1.0086.3%15.3%36.3%34.8%0.0%20.1%15.8%59.5K-3.5M-17.3K0.00134.46N/AN/A351050,9863,372
2025-10-13$1.50$1.0099.6%12.9%36.2%42.3%0.0%151.3%25.9%55.3K-3.6M-17.5K0.00129.43N/AN/A277151,0113,372
2025-10-14$1.52$1.00108.9%11.1%36.2%47.6%201.8%6.9%24.2%58.2K-3.3M-16.9K0.66116.83N/AN/A1449551,0123,372
2025-10-15$1.50$1.0058.7%16.8%36.7%19.1%58.7%154.9%29.1%56.3K-3.3M-17.0K0.04110.20N/AN/A2881151,0593,467
2025-10-16$1.50$1.0079.2%22.7%27.3%30.7%79.1%164.8%8.5%57.5K-3.4M-17.1K0.02114.26N/AN/A359751,1683,478
2025-10-17$1.52$1.0051.7%14.8%27.7%15.1%51.7%148.3%4.2%54.7K-3.4M-16.8K0.01127.07N/AN/A512750,9053,483
2025-10-20$1.54$1.0045.0%12.9%26.0%11.3%56.9%-1.2%4.6%58.5K-3.3M-16.6K0.0690.29N/AN/A4763049,6573,426
2025-10-21$1.48$1.0044.3%12.7%29.5%10.9%26.6%-7.3%3.2%55.6K-2.9M-16.0K0.0496.48N/AN/A2961249,8673,396
2025-10-22$1.50$1.0058.6%16.8%29.5%19.0%44.5%-1.5%-0.8%59.1K-3.0M-15.9K0.23132.98N/AN/A1112649,9733,406
2025-10-23$1.52$1.0049.5%14.2%29.2%13.8%51.2%8.8%16.4%59.9K-3.1M-16.0K0.01110.13N/AN/A693649,9963,420
2025-10-24$1.50$1.0044.9%12.9%29.4%11.3%59.3%-3.7%3.4%57.3K-3.2M-16.3K0.00103.52N/AN/A380150,6413,420
2025-10-27$1.46$1.0067.3%19.3%30.7%24.0%84.9%-9.1%-25.5%54.8K-2.9M-15.8K0.04114.11N/AN/A205950,7363,420
2025-10-28$1.44$1.0064.9%18.6%27.0%22.6%64.9%8.9%14.4%51.4K-2.8M-15.3K0.03102.43N/AN/A5031350,7393,424
2025-10-29$1.42$1.0065.8%18.9%26.6%23.1%66.5%9.2%7.1%53.4K-2.9M-15.1K0.00112.30N/AN/A932050,9963,438
2025-10-30$1.50$1.0073.9%21.2%33.9%27.7%73.9%72.3%-12.1%56.3K-3.0M-15.4K0.0199.60N/AN/A422351,7283,440
2025-10-31$1.37$1.00183.8%52.7%46.3%90.1%130.2%42.2%-35.8%55.4K-2.5M-14.1K0.00117.54N/AN/A462151,8373,441