OPK Options History — April 2011

In April 2011, OPK traded between $3.65 and $4.00. ATM implied volatility averaged 83.3%. The 30-day expected move averaged 18.9%. IV traded above realized volatility by 55.1% (HV 20d: 28.2%). Max pain ranged from $5.00 to $5.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 4 of 20 days. Put/call ratio averaged 0.00.

Notable Days

  • 2011-04-26: Highest Volume — 155 contracts
  • 2011-04-08: Largest IV spike — 91.3% change
  • 2011-04-21: Largest Expected Move — 26.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$3.80$3.65$4.00$3.76$3.98
Max Pain$5.00$5.00$5.00$5.00$5.00
ATM IV83.3%52.4%195.9%74.6%54.6%
Expected Move18.9%14.5%26.3%21.4%15.6%
HV 20d28.2%21.8%50.9%50.9%25.5%
HV 60d55.0%51.5%60.2%60.2%51.7%
Term Structure-6.4%-21.4%29.0%-6.5%8.9%
VWIV49.9%49.9%49.9%49.9%49.9%
Bid-Ask Spread %79.4921.33112.2221.3369.94
Gamma HHI0.970.970.970.970.97
Net GEX48.2K42.3K58.0K45.9K58.0K
Net DEX-1.9M-2.1M-1.5M-2.0M-2.0M
Net VEX-15.3K-16.3K-13.9K-16.1K-14.9K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.000.000.030.000.00
Total Volume27.75015546100
Total OI17,778.617,71217,85117,80717,851

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2011-04-01$3.76$5.0074.6%21.4%50.9%0.0%0.0%0.0%-6.5%45.9K-2.0M-16.1K0.0021.33N/AN/A46016,5611,246
2011-04-04$3.81$0.0080.8%14.5%43.8%0.0%49.9%0.0%14.8%46.0K-1.9M-16.3K0.00112.22N/AN/A13016,5351,246
2011-04-05$3.78$5.0090.4%16.0%41.5%0.0%0.0%0.0%-20.8%45.6K-1.8M-15.4K0.00110.78N/AN/A0016,5481,246
2011-04-06$3.78$5.0088.5%16.1%33.3%0.0%0.0%0.0%-21.2%47.0K-1.9M-15.7K0.00111.73N/AN/A40016,5481,246
2011-04-07$3.80$5.0092.6%15.7%32.5%0.0%0.0%0.0%-15.9%48.5K-1.8M-15.7K0.00111.50N/AN/A10016,5561,246
2011-04-08$3.75$5.00177.2%23.1%25.1%0.0%0.0%0.0%-12.8%46.3K-1.8M-15.5K0.0094.31N/AN/A0016,5561,246
2011-04-11$3.70$5.00195.9%23.6%25.2%0.0%0.0%0.0%-14.0%43.3K-1.8M-15.1K0.0093.75N/AN/A10016,5561,246
2011-04-12$3.68$5.0084.5%24.2%21.9%0.0%0.0%0.0%-21.4%42.8K-1.8M-15.1K0.0093.90N/AN/A50016,5661,236
2011-04-13$3.65$5.0083.0%23.8%22.0%0.0%0.0%0.0%-14.8%42.3K-1.7M-14.9K0.0094.24N/AN/A3016,5501,236
2011-04-14$3.70$5.0076.6%22.0%22.5%0.0%0.0%0.0%-10.8%42.4K-1.9M-14.9K0.0093.10N/AN/A12016,5491,236
2011-04-15$3.74$5.0079.8%22.9%22.7%0.0%0.0%0.0%-12.1%42.8K-2.0M-15.9K0.0094.93N/AN/A30016,5611,236
2011-04-18$3.83$5.0057.4%16.5%24.0%0.0%0.0%0.0%-13.8%48.4K-1.8M-14.9K0.0065.57N/AN/A02516,5021,235
2011-04-19$3.81$5.0054.0%15.5%24.0%0.0%0.0%0.0%-7.0%50.4K-1.8M-15.2K0.0069.45N/AN/A10016,5021,210
2011-04-20$3.84$5.0058.8%16.9%21.8%0.0%0.0%0.0%19.2%51.2K-1.9M-15.3K0.0022.63N/AN/A0016,5121,210
2011-04-21$3.75$5.0091.7%26.3%22.8%0.0%0.0%0.0%-18.7%49.7K-1.5M-13.9K0.0065.61N/AN/A0016,5121,210
2011-04-25$3.81$5.0063.4%18.2%22.8%0.0%0.0%0.0%-10.0%48.3K-1.8M-14.6K0.0065.49N/AN/A0016,5121,210
2011-04-26$4.00$5.0053.1%15.2%27.6%0.0%0.0%0.0%29.0%55.0K-2.0M-15.6K0.0364.43N/AN/A150516,5121,210
2011-04-27$3.95$5.0052.4%15.0%27.3%0.0%0.0%0.0%-0.1%54.9K-2.0M-15.8K0.0065.93N/AN/A16016,6011,215
2011-04-28$3.96$5.0057.6%16.5%27.2%0.0%0.0%0.0%-0.6%55.8K-2.1M-15.9K0.0068.98N/AN/A35016,6011,215
2011-04-29$3.98$5.0054.6%15.6%25.5%0.0%0.0%0.0%8.9%58.0K-2.0M-14.9K0.0069.94N/AN/A010016,6361,215