NBIX Options History — October 2015

In October 2015, NBIX traded between $38.85 and $51.45. ATM implied volatility averaged 86.9%, placing in the 19.7% IV rank vs the trailing year. The 30-day expected move averaged 23.7%. IV traded below realized volatility by 12.7% (HV 20d: 99.6%). Max pain ranged from $45.00 to $50.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 12 of 22 days. Put/call ratio averaged 1.31.

Notable Days

  • 2015-10-08: Highest Volume — 16,350 contracts
  • 2015-10-08: Largest IV drop — 48.2% change
  • 2015-10-07: Highest IV Rank — 53.6%
  • 2015-10-07: Largest Expected Move — 42.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$45.92$38.85$51.45$39.37$49.39
Max Pain$45.41$45.00$50.00$49.00$45.00
ATM IV86.9%60.4%174.9%100.2%61.0%
Expected Move23.7%17.3%42.6%28.7%17.5%
HV 20d99.6%72.9%113.2%89.4%72.9%
HV 60d72.9%63.8%76.5%63.8%75.3%
IV Rank19.7%9.5%53.6%24.8%9.7%
IV Percentile81.8%66.3%97.2%91.7%66.3%
Term Structure-2.9%-41.0%16.0%16.0%2.0%
VWIV82.7%62.0%146.6%95.1%63.0%
Skew 25d12.2%-2.7%50.6%13.0%7.6%
Skew 10d26.0%-0.3%92.0%52.6%15.0%
Call IV 25d75.1%55.9%118.3%96.4%55.9%
Put IV 25d87.3%63.5%165.7%109.3%63.5%
Bid-Ask Spread %74.4939.2095.0378.4680.95
Gamma HHI0.150.110.220.180.17
Net GEX756.4K346.7K1.2M364.2K1.1M
Net DEX-36.9M-57.6M-15.3M-15.3M-45.8M
Net VEX-173.0K-228.8K-148.1K-161.4K-148.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.310.372.321.412.32
Total Volume5,603.40982516,3503,2252,912
Total OI38,900.18232,06747,82232,06737,403

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2015-10-01$39.37$49.00100.2%28.7%89.4%24.8%95.1%13.0%16.0%364.2K-15.3M-161.4K1.4178.46N/AN/A1,3361,88922,5339,534
2015-10-02$43.90$50.00106.3%30.5%98.8%27.2%109.2%38.2%12.3%433.3K-28.1M-180.2K0.7986.99N/AN/A3,8563,05422,5939,599
2015-10-05$42.72$45.00122.2%36.3%98.9%33.3%128.0%22.5%-29.4%432.8K-30.1M-193.5K1.5250.03N/AN/A32749824,95611,153
2015-10-06$39.98$45.00151.5%42.2%99.3%44.5%136.9%40.9%-41.0%346.7K-19.9M-177.3K0.5744.86N/AN/A8,5314,85525,03111,226
2015-10-07$38.85$45.00174.9%42.6%99.5%53.6%146.6%50.6%-40.1%503.4K-29.2M-219.2K0.4242.75N/AN/A7,5593,15132,13813,455
2015-10-08$43.37$45.0090.6%22.6%105.5%21.1%75.9%8.4%-1.4%967.8K-41.2M-228.8K0.3739.20N/AN/A11,9434,40733,23914,583
2015-10-09$45.92$45.0098.5%22.6%108.1%24.2%80.6%-2.7%-6.6%615.0K-33.2M-197.0K0.9666.40N/AN/A3,5313,39327,28315,986
2015-10-12$45.69$45.0092.8%21.4%108.1%22.0%76.6%10.0%1.0%593.0K-35.4M-186.7K1.6261.52N/AN/A1,8823,04226,11616,327
2015-10-13$45.74$45.0095.5%22.3%108.0%23.0%76.3%14.8%-2.4%601.1K-36.6M-183.6K0.9767.50N/AN/A3,2733,18726,30216,349
2015-10-14$44.50$45.0074.5%21.3%107.9%14.9%75.0%14.9%0.6%540.9K-30.1M-174.9K1.1570.53N/AN/A3,0053,44425,63216,894
2015-10-15$48.62$45.0069.0%19.8%113.2%12.8%72.3%3.3%3.4%744.2K-43.3M-167.4K1.7774.40N/AN/A2,0213,57725,56916,854
2015-10-16$47.80$45.0070.7%20.3%113.2%13.5%71.1%5.4%0.5%861.2K-43.1M-171.8K1.6587.41N/AN/A1,7382,86325,59917,027
2015-10-19$49.06$45.0060.4%17.3%108.5%9.5%62.0%5.7%8.4%1.0M-43.6M-157.6K1.4984.75N/AN/A1,8382,73523,16612,733
2015-10-20$46.50$45.0072.0%20.6%109.7%14.0%67.5%3.9%-2.6%847.5K-38.1M-165.5K1.4591.34N/AN/A1,4672,13223,41713,582
2015-10-21$46.96$45.0068.6%19.7%109.4%12.6%70.1%5.3%3.8%845.5K-36.9M-166.0K1.4492.76N/AN/A1,4782,12123,42613,608
2015-10-22$47.14$45.0068.4%19.6%109.0%12.6%75.0%11.3%3.1%800.8K-35.1M-168.4K1.4188.65N/AN/A1,4412,03723,44313,610
2015-10-23$47.94$45.0063.6%18.2%99.3%10.8%69.9%5.7%9.2%933.4K-41.6M-160.5K1.3189.81N/AN/A1,5662,04723,46413,636
2015-10-26$46.64$45.0063.9%18.3%85.1%10.9%72.4%-2.1%7.5%909.2K-38.3M-153.3K1.4595.03N/AN/A1,5672,27023,46813,628
2015-10-27$48.61$45.0074.9%21.5%85.5%15.1%62.7%2.6%-2.1%855.9K-38.1M-148.7K1.4892.59N/AN/A1,5442,29023,47013,501
2015-10-28$51.45$45.0066.8%19.2%80.2%12.0%66.4%3.2%-4.8%1.2M-57.6M-148.2K1.4677.11N/AN/A1,6372,38423,51513,549
2015-10-29$50.14$45.0065.3%18.7%81.0%11.4%66.2%4.7%-1.7%1.1M-51.6M-148.9K1.7375.71N/AN/A1,2622,18523,61313,594
2015-10-30$49.39$45.0061.0%17.5%72.9%9.7%63.0%7.6%2.0%1.1M-45.8M-148.1K2.3280.95N/AN/A8782,03423,64713,756