NBIX Options History — October 2009

In October 2009, NBIX traded between $2.22 and $3.00. ATM implied volatility averaged 96.9%, placing in the 40.2% IV rank vs the trailing year. The 30-day expected move averaged 24.2%. IV traded above realized volatility by 61.9% (HV 20d: 35.0%). Max pain ranged from $2.50 to $5.00. Net GEX was positive for 21 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 0.57.

Notable Days

  • 2009-10-07: Highest Volume — 92 contracts
  • 2009-10-15: Largest IV drop — 55.7% change
  • 2009-10-14: Highest IV Rank — 81.1%
  • 2009-10-28: Largest Expected Move — 31.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$2.75$2.22$3.00$2.92$2.22
Max Pain$4.77$2.50$5.00$2.50$5.00
ATM IV96.9%63.1%150.6%80.3%83.7%
Expected Move24.2%18.1%31.4%23.0%24.0%
HV 20d35.0%30.0%45.9%39.7%45.9%
HV 60d40.6%38.7%46.3%45.8%43.7%
IV Rank40.2%15.7%81.1%24.3%32.6%
IV Percentile62.2%12.7%96.4%46.0%52.8%
Term Structure-5.9%-59.1%19.3%-37.4%1.3%
VWIV97.9%97.9%97.9%97.9%97.9%
Skew 25d-2.3%-50.9%17.0%-23.9%10.3%
Skew 10d-4.2%-64.6%23.4%-35.6%16.7%
Call IV 25d86.3%66.0%137.5%92.5%85.5%
Put IV 25d84.0%60.7%98.0%68.6%95.8%
Bid-Ask Spread %72.1826.66115.7168.25115.71
Gamma HHI0.530.410.680.580.45
Net GEX784-421.5K1.4K122
Net DEX116.5K56.2K178.7K56.2K157.8K
Net VEX-787-1.2K-383-1.2K-466
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.570.003.331.000.00
Total Volume16.45509228
Total OI5,005.2274,8665,1014,9685,001

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2009-10-01$2.92$2.5080.3%23.0%39.7%24.3%0.0%-23.9%-37.4%1.4K56.2K-1.2K1.0068.25N/AN/A113,9351,033
2009-10-02$2.82$2.50104.0%29.8%32.7%40.2%0.0%-27.6%-59.1%1.3K69.9K-1.1K3.3396.30N/AN/A6203,9361,033
2009-10-05$2.85$5.0090.3%22.4%32.8%31.0%0.0%5.6%3.1%1.1K96.4K-9120.0030.26N/AN/A1303,9421,053
2009-10-06$2.91$5.0090.1%25.0%33.8%30.9%0.0%17.0%-9.1%1.2K86.1K-1.0K0.0026.66N/AN/A103,9541,053
2009-10-07$2.93$5.0093.0%25.1%33.0%32.8%0.0%16.9%-13.4%1.1K96.7K-9260.0027.20N/AN/A9203,9551,053
2009-10-08$2.89$5.00101.1%25.3%30.0%38.3%0.0%-14.7%-5.5%1.3K92.1K-9140.0079.80N/AN/A004,0471,053
2009-10-09$2.99$5.00150.6%20.8%33.0%71.5%0.0%-1.1%8.3%1.5K65.7K-1.1K0.00103.88N/AN/A104,0411,053
2009-10-12$2.95$5.00128.5%23.9%33.2%56.7%0.0%13.8%1.8%1.2K79.4K-9650.0093.84N/AN/A004,0421,053
2009-10-13$2.94$5.00132.3%22.0%32.8%72.6%0.0%-50.9%5.4%1.2K83.2K-8960.0034.75N/AN/A004,0421,053
2009-10-14$3.00$5.00142.6%23.1%31.8%81.1%0.0%-47.2%5.7%1.3K73.2K-9740.0055.81N/AN/A2004,0421,053
2009-10-15$2.97$5.0063.1%18.1%31.7%15.7%0.0%-21.8%-11.1%472127.2K-5250.00101.31N/AN/A004,0481,053
2009-10-16$2.87$5.0081.1%23.2%33.4%30.5%0.0%11.0%1.8%867103.5K-7590.0086.01N/AN/A0214,0481,046
2009-10-19$2.85$5.0084.9%24.3%33.3%33.6%0.0%7.7%-1.6%879117.2K-8410.0037.35N/AN/A0803,8291,037
2009-10-20$2.78$5.0089.9%25.8%32.7%37.7%97.9%13.0%-2.9%614144.6K-7190.0032.27N/AN/A063,8291,102
2009-10-21$2.73$5.0080.6%23.1%31.2%30.1%0.0%14.3%7.2%480153.5K-6790.0089.44N/AN/A003,8291,105
2009-10-22$2.74$5.0076.9%22.0%31.2%27.0%0.0%-17.0%2.2%342160.5K-6360.0071.38N/AN/A003,8291,105
2009-10-23$2.62$5.0089.4%25.6%33.9%37.4%0.0%14.5%-17.1%412151.7K-6771.3382.34N/AN/A15203,8291,105
2009-10-26$2.49$5.0084.3%24.2%36.9%33.1%0.0%8.1%7.0%144163.9K-5210.0086.69N/AN/A013,8521,125
2009-10-27$2.48$5.0076.1%21.8%37.0%26.4%0.0%5.8%19.3%28168.5K-4780.5095.32N/AN/A1053,8521,106
2009-10-28$2.28$5.00109.5%31.4%45.2%53.9%0.0%15.7%-15.4%347136.7K-6310.0888.23N/AN/A2423,8621,111
2009-10-29$2.32$5.00100.2%28.7%45.2%46.2%0.0%1.0%-19.2%-42178.7K-3830.0085.22N/AN/A1503,8841,102
2009-10-30$2.22$5.0083.7%24.0%45.9%32.6%0.0%10.3%1.3%122157.8K-4660.00115.71N/AN/A083,8991,102