OPK Options History — May 2021

In May 2021, OPK traded between $3.35 and $4.08. ATM implied volatility averaged 92.7%, placing in the 38.0% IV rank vs the trailing year. The 30-day expected move averaged 23.6%. IV traded above realized volatility by 48.6% (HV 20d: 44.1%). Max pain ranged from $4.00 to $4.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 9 of 20 days. Put/call ratio averaged 0.26.

Notable Days

  • 2021-05-07: Highest Volume — 10,987 contracts
  • 2021-05-11: Largest IV spike — 231.4% change
  • 2021-05-11: Highest IV Rank — 77.9%
  • 2021-05-19: Largest Expected Move — 30.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$3.73$3.35$4.08$4.08$3.83
Max Pain$4.00$4.00$4.00$4.00$4.00
ATM IV92.7%49.6%182.9%92.6%79.5%
Expected Move23.6%16.2%30.6%17.1%25.8%
HV 20d44.1%32.6%54.3%34.7%53.9%
HV 60d53.4%50.6%58.5%55.9%50.7%
IV Rank38.0%18.9%77.9%37.9%32.2%
IV Percentile35.6%0.8%98.4%32.9%21.0%
Term Structure6.4%-139.9%125.4%-139.9%-36.1%
VWIV89.5%56.6%136.3%58.7%82.5%
Skew 25d4.5%-110.5%141.0%-2.5%5.4%
Skew 10d-2.1%-102.6%140.2%1.7%-102.1%
Call IV 25d85.8%48.9%129.2%61.1%85.2%
Put IV 25d90.3%9.1%189.9%58.7%90.6%
Bid-Ask Spread %76.4635.40139.78112.7166.19
Gamma HHI0.240.210.300.290.24
Net GEX297.6K210.5K386.3K367.7K351.4K
Net DEX-16.2M-23.7M-8.7M-21.3M-20.5M
Net VEX-166.8K-191.1K-145.4K-191.1K-174.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.260.060.850.170.11
Total Volume4,811.451,99510,9873,4284,291
Total OI222,854214,520229,328217,065220,714

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-05-03$4.08$4.0092.6%17.1%34.7%37.9%58.7%-2.5%-139.9%367.7K-21.3M-191.1K0.17112.71N/AN/A2,939489173,69043,375
2021-05-04$3.99$4.0077.1%16.2%32.9%31.1%56.6%-11.8%-19.0%337.6K-17.8M-179.2K0.85134.13N/AN/A2,3351,985175,16543,730
2021-05-05$4.06$4.0067.0%17.6%32.6%26.7%62.5%-26.6%59.8%356.8K-18.2M-180.1K0.14139.78N/AN/A3,014426176,12344,248
2021-05-06$4.01$4.0058.9%16.7%32.8%23.0%70.6%-9.3%-43.4%335.7K-16.2M-177.3K0.1084.20N/AN/A1,808187176,66244,313
2021-05-07$3.80$4.00118.4%22.9%37.4%49.4%79.8%35.8%89.0%288.6K-16.0M-170.5K0.4653.49N/AN/A7,5193,468177,83644,378
2021-05-10$3.57$4.0055.2%21.9%42.0%21.4%79.4%3.5%60.5%258.5K-13.9M-158.0K0.3660.02N/AN/A3,0511,102179,79445,132
2021-05-11$3.44$4.00182.9%22.2%42.9%77.9%85.9%141.0%50.5%230.4K-10.8M-150.2K0.3035.40N/AN/A3,4761,057179,83145,999
2021-05-12$3.35$4.0093.0%25.4%42.3%38.1%90.0%-110.5%-12.9%210.5K-8.7M-145.4K0.2437.97N/AN/A1,732424181,78446,840
2021-05-13$3.43$4.0097.4%24.6%40.1%40.1%124.3%71.2%-20.3%226.4K-10.4M-155.3K0.3039.27N/AN/A4,6031,373182,36846,960
2021-05-14$3.68$4.0074.0%27.2%49.5%29.7%83.8%63.5%69.5%266.2K-14.8M-168.2K0.0967.73N/AN/A7,947750182,69646,561
2021-05-17$3.61$4.0093.0%27.0%48.3%38.1%101.9%-8.8%-6.1%261.8K-15.1M-161.6K0.5849.38N/AN/A2,7961,617179,65645,427
2021-05-18$3.60$4.0092.8%26.8%48.3%38.0%111.6%-1.5%-26.5%261.5K-16.5M-169.8K0.0648.99N/AN/A8,622535179,45644,948
2021-05-19$3.62$4.00106.8%30.6%46.2%44.2%136.3%-95.0%0.6%253.6K-15.6M-162.6K0.0950.00N/AN/A2,997265181,35644,911
2021-05-20$3.70$4.00109.4%24.2%46.3%45.4%101.6%15.2%-28.9%291.9K-19.0M-167.7K0.34110.82N/AN/A4,2831,459181,32545,072
2021-05-21$3.69$4.00107.9%29.3%46.0%44.7%110.4%-24.3%-3.1%309.3K-16.8M-163.8K0.3268.70N/AN/A2,454782181,37444,307
2021-05-24$3.80$4.0082.2%26.9%47.8%33.3%96.9%21.0%39.4%322.9K-18.0M-174.9K0.08104.66N/AN/A5,783436172,42442,096
2021-05-25$3.64$4.0090.8%22.2%49.5%37.1%82.5%-2.2%-40.9%278.8K-14.6M-156.2K0.27102.39N/AN/A2,139585175,18942,234
2021-05-26$3.85$4.0049.6%23.2%54.3%18.9%91.9%42.7%125.4%355.5K-23.7M-161.7K0.0693.88N/AN/A3,545223175,51842,780
2021-05-27$3.84$4.00125.6%24.3%53.9%52.5%82.6%-16.2%10.8%386.3K-16.6M-167.6K0.2069.44N/AN/A3,105627177,89442,914
2021-05-28$3.83$4.0079.5%25.8%53.9%32.2%82.5%5.4%-36.1%351.4K-20.5M-174.2K0.1166.19N/AN/A3,871420178,03442,680