OPK Options History — May 2011

In May 2011, OPK traded between $3.65 and $3.91. ATM implied volatility averaged 85.9%. The 30-day expected move averaged 21.7%. IV traded above realized volatility by 57.5% (HV 20d: 28.4%). Max pain ranged from $5.00 to $5.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 8 of 21 days. Put/call ratio averaged 0.08.

Notable Days

  • 2011-05-12: Highest Volume — 237 contracts
  • 2011-05-20: Largest IV spike — 77.4% change
  • 2011-05-05: Largest Expected Move — 37.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$3.76$3.65$3.91$3.91$3.76
Max Pain$5.00$5.00$5.00$5.00$5.00
ATM IV85.9%46.2%130.2%56.8%68.1%
Expected Move21.7%11.6%37.3%16.3%19.5%
HV 20d28.4%24.0%31.5%26.5%24.4%
HV 60d45.4%35.5%51.8%51.6%35.5%
Term Structure-13.5%-54.3%33.8%-20.3%0.6%
VWIV81.7%81.7%81.7%81.7%81.7%
Bid-Ask Spread %71.7728.4593.8067.3366.64
Gamma HHI0.970.960.970.970.97
Net GEX50.8K45.9K54.3K53.9K52.4K
Net DEX-1.6M-2.0M-1.2M-2.0M-1.6M
Net VEX-13.0K-14.7K-11.5K-14.7K-12.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.080.000.730.100.00
Total Volume31.7620237110
Total OI18,095.14317,85118,32517,85118,325

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2011-05-02$3.91$5.0056.8%16.3%26.5%0.0%0.0%0.0%-20.3%53.9K-2.0M-14.7K0.1067.33N/AN/A10116,6361,215
2011-05-03$3.82$5.0068.0%19.5%27.6%0.0%0.0%0.0%-16.7%51.4K-1.9M-14.7K0.0065.06N/AN/A90016,6461,216
2011-05-04$3.76$5.0085.5%24.5%28.0%0.0%0.0%0.0%-38.8%49.6K-1.9M-14.7K0.0093.40N/AN/A10016,7361,216
2011-05-05$3.70$5.00130.2%37.3%28.6%0.0%0.0%0.0%-54.3%45.9K-1.7M-14.1K0.0093.37N/AN/A01016,7431,216
2011-05-06$3.75$5.00129.7%23.1%28.9%0.0%0.0%0.0%-32.4%49.5K-1.6M-13.3K0.0093.44N/AN/A0016,7431,216
2011-05-09$3.81$5.0099.7%14.8%29.1%0.0%0.0%0.0%21.8%49.1K-2.0M-14.3K0.0093.12N/AN/A0016,7431,216
2011-05-10$3.85$5.00105.9%13.2%28.8%0.0%0.0%0.0%32.9%51.1K-1.8M-14.0K0.0093.80N/AN/A30016,7431,216
2011-05-11$3.76$5.0099.8%11.6%30.1%0.0%0.0%0.0%33.8%48.7K-1.9M-14.2K0.0065.56N/AN/A0016,7431,216
2011-05-12$3.80$5.0056.4%16.2%30.1%0.0%0.0%0.0%12.8%53.7K-1.6M-13.2K0.7367.89N/AN/A13710016,7431,216
2011-05-13$3.74$5.0079.8%22.9%30.4%0.0%0.0%0.0%-21.5%53.2K-1.2M-12.2K0.0064.70N/AN/A0016,8411,316
2011-05-16$3.65$5.0089.1%25.6%31.4%0.0%0.0%0.0%-36.4%47.6K-1.3M-11.9K0.0068.66N/AN/A0016,8411,316
2011-05-17$3.67$5.0089.3%25.6%30.1%0.0%0.0%0.0%-5.0%46.1K-1.6M-12.7K0.0066.38N/AN/A01016,8411,316
2011-05-18$3.75$5.0085.2%24.4%31.2%0.0%0.0%0.0%-29.8%52.2K-1.4M-11.9K0.0066.64N/AN/A60016,8411,326
2011-05-19$3.80$5.0055.4%15.9%31.5%0.0%0.0%0.0%8.3%54.3K-1.4M-12.0K0.0068.16N/AN/A0016,9011,326
2011-05-20$3.75$5.0098.3%28.2%30.6%0.0%0.0%0.0%-47.9%53.0K-1.3M-11.9K0.0071.34N/AN/A0016,9011,326
2011-05-23$3.75$5.0098.3%28.2%30.1%0.0%0.0%0.0%-33.4%48.0K-1.6M-12.5K0.0028.45N/AN/A0016,8911,326
2011-05-24$3.70$5.00104.1%29.9%24.0%0.0%0.0%0.0%-34.3%49.2K-1.3M-11.5K0.0067.06N/AN/A40016,8911,326
2011-05-25$3.75$5.0096.8%27.8%24.5%0.0%0.0%0.0%-29.2%51.1K-1.3M-11.5K0.0068.66N/AN/A19016,8811,326
2011-05-26$3.80$5.0061.8%17.7%25.1%0.0%81.7%0.0%4.0%53.1K-1.4M-12.5K0.0068.48N/AN/A125016,8821,326
2011-05-27$3.77$5.0046.2%13.2%25.0%0.0%0.0%0.0%3.4%53.6K-1.6M-12.9K0.0069.12N/AN/A25016,9871,326
2011-05-31$3.76$5.0068.1%19.5%24.4%0.0%0.0%0.0%0.6%52.4K-1.6M-12.5K0.0066.64N/AN/A0016,9991,326