NBIX Options History — September 2015

In September 2015, NBIX traded between $35.77 and $55.09. ATM implied volatility averaged 81.1%, placing in the 17.5% IV rank vs the trailing year. The 30-day expected move averaged 23.4%. IV traded above realized volatility by 22.9% (HV 20d: 58.2%). Max pain ranged from $44.00 to $50.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 19 of 21 days. Put/call ratio averaged 0.88.

Notable Days

  • 2015-09-28: Highest Volume — 17,468 contracts
  • 2015-09-10: Largest IV spike — 29.3% change
  • 2015-09-29: Highest IV Rank — 30.0%
  • 2015-09-29: Largest Expected Move — 32.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$48.44$35.77$55.09$47.15$39.79
Max Pain$48.48$44.00$50.00$44.00$50.00
ATM IV81.1%58.7%113.5%69.3%101.4%
Expected Move23.4%17.4%32.6%19.9%29.1%
HV 20d58.2%46.0%91.9%50.6%91.9%
HV 60d47.4%42.9%64.0%43.3%64.0%
IV Rank17.5%8.8%30.0%12.9%25.3%
IV Percentile87.4%72.2%92.9%86.9%92.1%
Term Structure10.5%-4.5%21.7%-4.5%12.1%
VWIV85.0%60.8%108.4%67.5%92.3%
Skew 25d10.4%-19.4%35.9%8.4%35.9%
Skew 10d26.8%1.3%73.8%15.4%32.9%
Call IV 25d78.3%54.4%125.4%63.3%88.1%
Put IV 25d88.7%65.5%123.9%71.7%123.9%
Bid-Ask Spread %68.7349.7991.6991.3678.39
Gamma HHI0.340.180.920.180.18
Net GEX905.0K212.5K7.0M510.5K374.4K
Net DEX-36.6M-65.1M-4.9M-31.2M-15.8M
Net VEX-159.1K-195.1K-126.7K-131.1K-163.3K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.880.122.521.541.43
Total Volume6,119.42930717,4682,0843,198
Total OI25,490.71419,50731,83119,50731,831

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2015-09-01$47.15$44.0069.3%19.9%50.6%12.9%67.5%8.4%-4.5%510.5K-31.2M-131.1K1.5491.36N/AN/A8201,26414,2405,267
2015-09-02$49.51$44.0060.8%17.4%53.5%9.6%60.8%11.1%11.4%645.6K-36.5M-130.5K1.4791.69N/AN/A8071,18814,2985,325
2015-09-03$48.17$45.0064.9%19.0%49.1%11.3%72.2%8.5%10.4%587.8K-36.9M-131.5K1.4471.84N/AN/A8311,20014,4015,362
2015-09-04$48.69$45.0058.7%18.2%48.7%8.8%70.9%9.7%11.8%607.7K-35.1M-130.3K1.5662.89N/AN/A7821,21714,5005,456
2015-09-08$50.81$45.0066.9%19.9%50.7%12.0%74.9%9.6%5.0%722.4K-41.8M-126.7K0.5459.65N/AN/A20010714,5275,473
2015-09-09$50.28$45.0063.3%18.1%50.6%10.6%71.3%15.5%11.9%680.5K-41.9M-127.4K2.5254.32N/AN/A9762,45914,5765,516
2015-09-10$53.49$50.0081.8%23.5%54.5%17.8%90.4%-1.4%11.5%590.7K-49.2M-140.2K0.3878.92N/AN/A12,4994,79214,7326,886
2015-09-11$53.96$50.0090.1%25.8%54.3%20.9%108.4%14.5%6.2%784.5K-53.4M-195.1K0.9857.77N/AN/A4,2964,21319,1569,361
2015-09-14$53.21$50.0094.2%27.0%53.7%22.5%101.3%1.5%-2.8%815.8K-53.8M-194.2K0.8955.79N/AN/A4,3413,87919,4729,895
2015-09-15$53.42$50.0084.0%24.1%51.8%18.6%88.0%16.5%9.1%1.0M-54.6M-189.7K0.7649.79N/AN/A43833319,3599,968
2015-09-16$54.21$50.0081.7%23.4%51.1%17.7%94.6%13.8%11.0%1.2M-58.5M-191.8K0.7158.92N/AN/A5,6353,98119,65810,120
2015-09-17$54.93$50.0072.8%20.9%50.9%14.3%81.9%22.0%21.2%1.3M-56.8M-186.9K0.9784.86N/AN/A3,9853,85619,18710,241
2015-09-18$55.09$50.0078.2%22.4%46.0%16.4%84.1%5.7%17.2%7.0M-65.1M-180.0K0.8964.73N/AN/A4,3403,85519,1879,709
2015-09-21$49.96$50.0080.6%23.1%59.7%17.3%86.7%12.8%12.0%407.9K-33.1M-173.9K0.3756.02N/AN/A4,2941,57415,7058,112
2015-09-22$48.52$50.0079.3%22.7%57.4%16.8%88.8%3.2%15.4%366.4K-28.1M-171.5K0.3065.18N/AN/A3,8191,16115,9258,559
2015-09-23$47.31$50.0082.2%23.6%58.4%17.9%87.6%25.7%12.5%324.2K-26.0M-166.2K0.3053.23N/AN/A3,8891,15816,0348,715
2015-09-24$46.15$50.0075.1%21.5%56.1%15.2%81.4%9.2%21.7%281.0K-21.5M-165.2K0.1562.01N/AN/A8,3331,21716,2048,744
2015-09-25$40.93$50.0092.6%26.5%68.6%21.9%86.1%-2.4%14.0%315.6K-16.1M-166.0K0.2988.43N/AN/A4,5861,33120,3868,821
2015-09-28$35.77$50.00112.0%32.1%82.0%29.3%102.6%-19.4%9.6%212.5K-4.9M-136.9K0.1278.25N/AN/A15,5671,90120,8068,894
2015-09-29$35.79$50.00113.5%32.6%82.0%30.0%92.8%18.4%3.0%256.0K-7.4M-142.5K0.8679.36N/AN/A2,2451,94121,5019,196
2015-09-30$39.79$50.00101.4%29.1%91.9%25.3%92.3%35.9%12.1%374.4K-15.8M-163.3K1.4378.39N/AN/A1,3141,88422,4879,344