OPK Options History — May 2019

In May 2019, OPK traded between $1.78 and $2.49. ATM implied volatility averaged 74.2%, placing in the 28.0% IV rank vs the trailing year. The 30-day expected move averaged 22.2%. IV traded above realized volatility by 12.5% (HV 20d: 61.7%). Max pain ranged from $2.00 to $3.00. Net GEX was positive for 10 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 10.15.

Notable Days

  • 2019-05-16: Highest Volume — 55,730 contracts
  • 2019-05-28: Largest IV spike — 15.7% change
  • 2019-05-02: Highest IV Rank — 35.5%
  • 2019-05-03: Largest Expected Move — 27.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$2.08$1.78$2.49$2.32$1.78
Max Pain$2.86$2.00$3.00$2.00$3.00
ATM IV74.2%64.5%86.1%78.4%76.4%
Expected Move22.2%19.0%27.7%26.7%27.3%
HV 20d61.7%39.4%70.2%39.9%67.2%
HV 60d53.3%46.1%58.1%58.1%52.7%
IV Rank28.0%21.9%35.5%30.6%29.4%
IV Percentile47.9%23.0%79.8%60.7%52.4%
Term Structure1.6%-12.1%19.5%-6.1%19.2%
VWIV77.5%59.0%96.6%95.6%94.9%
Skew 25d6.5%-9.7%30.6%0.3%3.9%
Skew 10d11.3%-2.4%39.9%10.0%18.4%
Call IV 25d57.8%40.2%82.0%61.7%58.1%
Put IV 25d64.4%57.0%77.6%62.0%62.1%
Bid-Ask Spread %17.9011.1633.5316.7914.15
Gamma HHI0.360.260.590.590.28
Net GEX-2.8K-20.2K9.5K-18.3K4.5K
Net DEX6.0M4.7M7.7M7.2M5.7M
Net VEX-65.2K-89.0K-47.0K-83.0K-47.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio10.150.02161.000.140.39
Total Volume8,231.27337055,7307984,497
Total OI129,327.545125,110135,282131,120127,843

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-05-01$2.32$2.0078.4%26.7%39.9%30.6%95.6%0.3%-6.1%-18.3K7.2M-83.0K0.1416.79N/AN/A7029658,52372,597
2019-05-02$2.33$2.0086.1%25.1%39.4%35.5%87.9%-9.7%-10.6%-18.1K7.6M-79.8K0.0821.13N/AN/A1,47911258,69672,612
2019-05-03$2.42$2.0079.7%27.7%42.1%31.5%96.6%9.4%-8.7%-20.2K7.2M-85.6K0.0815.07N/AN/A2,40218659,27272,622
2019-05-06$2.49$3.0078.9%21.2%43.1%30.9%80.7%10.7%-0.8%-13.2K7.0M-89.0K0.0215.46N/AN/A1,9213560,26572,536
2019-05-07$2.39$3.0081.5%20.4%45.1%32.6%78.1%4.8%-2.6%-5.2K6.5M-86.5K0.3933.53N/AN/A75429561,82372,564
2019-05-08$2.09$3.0077.4%20.9%64.7%30.0%72.8%30.6%-2.4%-10.0K7.7M-71.3K0.1120.67N/AN/A6,29568262,26673,016
2019-05-09$2.07$3.0065.6%20.2%64.4%22.6%63.8%21.3%13.2%-5.3K5.7M-70.2K0.3218.24N/AN/A1,79257263,27463,651
2019-05-10$2.10$3.0064.5%20.3%64.8%21.9%70.8%17.2%0.2%-6.9K5.6M-68.1K0.2118.96N/AN/A1,40329164,06163,170
2019-05-13$1.99$3.0065.8%23.5%66.3%22.7%80.1%9.3%19.0%-8.0K6.2M-61.8K0.1316.70N/AN/A1,28617262,13463,022
2019-05-14$1.99$3.0065.8%23.8%66.4%22.7%82.1%-0.1%19.5%-5.2K5.4M-66.1K5.9817.84N/AN/A2,38614,27263,88763,198
2019-05-15$2.08$3.0074.4%23.4%69.2%28.1%81.6%14.5%8.8%-1.3K4.7M-67.6K161.0016.51N/AN/A33654,09565,73559,375
2019-05-16$2.02$3.0077.4%22.7%69.5%30.0%79.2%12.1%1.5%-7.7K5.3M-61.5K35.3811.16N/AN/A1,53254,19865,92561,839
2019-05-17$2.07$3.0068.2%21.1%70.2%24.2%74.0%4.6%2.7%4.2K5.2M-62.6K14.2417.04N/AN/A1,18116,81766,96761,939
2019-05-20$2.00$3.0071.1%19.7%69.9%26.0%68.4%3.2%-4.7%9.1K5.5M-56.9K0.7116.13N/AN/A21715366,73661,061
2019-05-21$2.07$3.0078.4%22.3%68.8%30.6%81.6%-9.2%1.7%8.4K5.4M-59.9K0.1914.22N/AN/A84115766,89261,126
2019-05-22$1.98$3.0071.5%20.5%69.6%26.3%59.0%9.4%-12.1%9.5K5.6M-56.1K0.1529.22N/AN/A88112867,14461,131
2019-05-23$1.92$3.0072.2%20.8%70.1%26.7%72.0%3.6%-1.8%8165.8M-56.7K1.8618.33N/AN/A1,3082,43067,20063,250
2019-05-24$1.96$3.0069.2%19.5%66.4%24.8%68.2%4.6%3.2%5.7K6.0M-54.9K0.8115.23N/AN/A98379267,58163,520
2019-05-28$1.89$3.0080.1%22.9%66.9%31.7%79.7%6.0%-1.8%4.9K5.9M-53.2K0.8718.72N/AN/A94882267,57263,330
2019-05-29$1.88$3.0074.0%20.2%66.9%27.8%70.5%2.9%-6.8%6.4K6.1M-47.9K0.1212.73N/AN/A6868367,97260,131
2019-05-30$1.86$3.0076.3%19.0%66.4%29.3%66.8%-5.9%5.5%3.3K5.7M-49.2K0.1116.04N/AN/A7878368,13559,613
2019-05-31$1.78$3.0076.4%27.3%67.2%29.4%94.9%3.9%19.2%4.5K5.7M-47.0K0.3914.15N/AN/A3,2421,25568,23059,613