OPK Options History — April 2021

In April 2021, OPK traded between $4.08 and $4.56. ATM implied volatility averaged 91.5%, placing in the 39.2% IV rank vs the trailing year. The 30-day expected move averaged 19.9%. IV traded above realized volatility by 41.5% (HV 20d: 50.0%). Max pain ranged from $4.00 to $4.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 13 of 21 days. Put/call ratio averaged 0.21.

Notable Days

  • 2021-04-06: Highest Volume — 12,359 contracts
  • 2021-04-14: Largest IV spike — 176.4% change
  • 2021-04-14: Highest IV Rank — 100.0%
  • 2021-04-19: Largest Expected Move — 25.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$4.25$4.08$4.56$4.38$4.10
Max Pain$4.00$4.00$4.00$4.00$4.00
ATM IV91.5%56.6%233.0%72.3%66.2%
Expected Move19.9%13.9%25.3%13.9%17.0%
HV 20d50.0%38.4%60.9%59.7%38.4%
HV 60d68.5%56.4%72.4%70.6%56.4%
IV Rank39.2%22.1%100.0%32.4%26.3%
IV Percentile27.0%2.0%100.0%9.9%7.5%
Term Structure17.1%-66.3%148.4%-62.4%14.1%
VWIV71.0%54.6%84.1%54.6%59.1%
Skew 25d9.1%-56.3%147.8%5.0%-18.3%
Skew 10d4.0%-141.1%99.6%-141.1%-24.4%
Call IV 25d86.2%48.8%213.9%77.6%61.2%
Put IV 25d95.3%42.8%233.0%82.6%42.8%
Bid-Ask Spread %86.3339.90133.0857.78117.21
Gamma HHI0.280.240.310.280.29
Net GEX393.2K321.4K514.3K329.2K394.3K
Net DEX-23.9M-30.0M-18.5M-25.5M-23.5M
Net VEX-203.1K-218.5K-189.6K-212.3K-194.3K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.210.040.560.040.37
Total Volume4,732.2382,18812,3594,3263,899
Total OI212,262.286198,314223,063201,996222,827

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-04-01$4.38$4.0072.3%13.9%59.7%32.4%54.6%5.0%-62.4%329.2K-25.5M-212.3K0.0457.78N/AN/A4,159167159,27942,717
2021-04-05$4.56$4.0089.8%18.9%60.9%41.0%67.2%-26.9%30.7%433.8K-24.9M-208.7K0.0669.44N/AN/A2,390149156,37441,940
2021-04-06$4.38$4.0095.5%18.7%60.9%43.9%75.1%-7.7%128.0%416.3K-23.0M-203.1K0.3639.90N/AN/A9,0733,286159,35541,959
2021-04-07$4.26$4.00129.7%22.1%59.6%60.7%77.7%-46.4%100.5%396.6K-21.9M-203.3K0.0475.49N/AN/A4,414165166,83440,771
2021-04-08$4.24$4.0074.8%24.9%57.0%33.6%74.9%10.5%32.5%387.1K-21.4M-196.6K0.10105.05N/AN/A2,886284169,96340,804
2021-04-09$4.19$4.00111.0%18.6%56.8%51.5%63.2%-10.8%65.2%341.4K-21.4M-202.6K0.2850.55N/AN/A1,705483172,25040,786
2021-04-12$4.08$4.0087.7%19.8%57.1%40.0%69.7%-21.0%-25.5%321.4K-18.5M-189.6K0.4760.90N/AN/A4,3022,005169,06540,282
2021-04-13$4.12$4.0084.3%17.0%53.1%38.3%57.7%-5.1%-14.9%358.8K-20.1M-197.8K0.5645.87N/AN/A3,5381,970172,02641,425
2021-04-14$4.18$4.00233.0%21.2%53.5%100.0%80.8%147.8%22.1%346.8K-21.2M-199.8K0.0847.23N/AN/A4,218352172,89341,622
2021-04-15$4.35$4.0091.4%22.4%52.2%37.4%74.8%86.5%1.9%392.8K-26.4M-218.5K0.2369.70N/AN/A2,133497174,73941,788
2021-04-16$4.35$4.0056.6%21.0%49.1%22.1%75.8%-3.8%-11.7%369.1K-26.7M-213.2K0.2864.36N/AN/A3,335942175,67941,832
2021-04-19$4.18$4.0088.5%25.3%48.2%36.1%84.1%19.0%45.1%355.1K-21.2M-196.8K0.09109.52N/AN/A5,070465162,59941,001
2021-04-20$4.15$4.0072.3%21.5%47.1%29.0%76.7%17.8%-28.4%353.7K-19.9M-190.6K0.05107.09N/AN/A5,440276165,61841,172
2021-04-21$4.29$4.0065.8%18.9%46.3%26.1%62.1%44.0%1.7%414.6K-26.1M-212.6K0.08109.80N/AN/A2,656219168,72741,373
2021-04-22$4.38$4.0090.3%24.1%44.0%36.9%76.1%-2.5%26.5%514.3K-30.0M-207.8K0.07113.73N/AN/A8,326574170,83241,486
2021-04-23$4.28$4.0058.6%15.6%43.8%22.9%76.4%71.1%1.2%435.8K-24.9M-201.8K0.1690.94N/AN/A3,283527175,88741,557
2021-04-26$4.29$4.0081.5%19.9%43.6%33.0%71.4%-2.4%-11.8%453.0K-26.2M-205.4K0.3699.96N/AN/A2,068738175,37241,355
2021-04-27$4.24$4.0083.0%18.2%39.5%33.7%68.6%3.6%-66.3%435.8K-28.6M-214.2K0.21133.08N/AN/A2,189462176,76142,525
2021-04-28$4.18$4.0096.5%21.3%39.6%39.7%73.5%-56.3%-37.6%434.7K-27.3M-200.7K0.39131.09N/AN/A2,7751,092178,19042,780
2021-04-29$4.09$4.0093.0%16.9%39.1%38.1%71.7%-13.1%148.4%371.7K-23.1M-196.5K0.09114.31N/AN/A6,286579179,58843,475
2021-04-30$4.10$4.0066.2%17.0%38.4%26.3%59.1%-18.3%14.1%394.3K-23.5M-194.3K0.37117.21N/AN/A2,8521,047179,11043,717