NBIX Options History — November 2025

In November 2025, NBIX traded between $138.38 and $154.84. ATM implied volatility averaged 36.3%, placing in the 27.1% IV rank vs the trailing year. The 30-day expected move averaged 10.2%. IV traded below realized volatility by 7.5% (HV 20d: 43.8%). Max pain ranged from $135.00 to $140.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 5 of 19 days. Put/call ratio averaged 1.43.

Notable Days

  • 2025-11-07: Highest Volume — 1,426 contracts
  • 2025-11-05: Largest IV drop — 20.5% change
  • 2025-11-04: Highest IV Rank — 48.5%
  • 2025-11-04: Largest Expected Move — 14.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$145.74$138.38$154.84$142.37$151.94
Max Pain$136.84$135.00$140.00$140.00$140.00
ATM IV36.3%30.4%48.8%48.8%30.4%
Expected Move10.2%8.7%14.0%14.0%8.7%
HV 20d43.8%35.1%47.5%36.4%43.7%
HV 60d34.1%30.8%36.2%30.8%35.9%
IV Rank27.1%16.9%48.5%48.4%16.9%
IV Percentile60.0%32.1%90.9%90.9%32.1%
Term Structure-2.3%-12.7%1.6%-12.7%0.2%
VWIV34.2%23.1%50.3%47.4%28.5%
Skew 25d2.8%-4.3%9.2%2.7%5.6%
Skew 10d9.3%-8.2%20.7%11.3%2.7%
Call IV 25d33.3%27.4%47.8%42.4%27.6%
Put IV 25d36.0%29.1%54.2%45.1%33.2%
Bid-Ask Spread %91.1885.2595.3986.7094.98
Gamma HHI0.200.160.270.170.27
Net GEX805.6K22.7K1.3M826.1K721.1K
Net DEX-26.2M-53.6M-4.7M-21.1M-30.3M
Net VEX-167.2K-194.9K-147.4K-188.1K-147.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.430.006.006.003.59
Total Volume428.158141,426294133
Total OI11,067.3168,33512,17911,1189,059

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-11-03$142.37$140.0048.8%14.0%36.4%48.4%47.4%2.7%-12.7%826.1K-21.1M-188.1K6.0086.70N/AN/A422526,1414,977
2025-11-04$142.94$140.0048.8%14.0%35.1%48.5%50.3%6.3%-7.8%722.0K-21.6M-194.9K0.3185.25N/AN/A204636,1315,222
2025-11-05$153.91$140.0038.8%11.1%43.0%31.3%29.9%0.1%-4.3%1.2M-53.2M-169.8K0.1895.39N/AN/A8551536,2725,275
2025-11-06$154.84$135.0037.1%10.2%42.9%28.4%33.8%3.4%-4.6%1.2M-53.6M-161.3K0.0692.09N/AN/A5036,1045,391
2025-11-07$150.72$135.0037.6%9.7%43.9%29.2%33.9%2.1%-2.0%1.3M-42.5M-171.0K0.2790.89N/AN/A1,1213056,1105,392
2025-11-10$149.54$135.0038.8%9.9%44.1%31.3%34.1%4.8%-2.7%1.0M-41.9M-172.2K2.2987.29N/AN/A851956,0205,696
2025-11-11$146.99$135.0038.8%9.3%44.4%31.4%30.9%0.9%1.2%1.2M-35.9M-180.0K2.7392.29N/AN/A902466,0255,881
2025-11-12$146.86$135.0033.3%9.5%44.3%21.8%31.5%3.5%-0.6%1.2M-32.1M-178.7K2.2089.09N/AN/A5116,0435,873
2025-11-13$144.69$135.0031.1%8.9%44.4%18.1%32.0%2.1%-0.2%1.2M-29.0M-178.3K0.0194.80N/AN/A39356,0455,861
2025-11-14$144.95$135.0032.9%9.4%44.0%21.2%32.5%5.6%-0.2%1.1M-27.5M-171.9K0.2192.07N/AN/A4295,7255,866
2025-11-17$144.25$135.0035.0%10.0%43.9%24.8%24.4%-0.0%0.4%1.2M-24.7M-162.9K0.4090.37N/AN/A1045,6975,868
2025-11-18$138.38$135.0036.6%10.5%46.3%27.6%23.1%1.1%-3.4%459.4K-6.6M-159.2K0.3692.23N/AN/A3341205,7045,870
2025-11-19$138.77$135.0035.4%10.2%46.3%25.6%50.3%3.4%-0.4%352.9K-5.6M-159.7K1.3590.61N/AN/A3935325,5965,874
2025-11-20$138.95$135.0035.0%10.0%46.0%24.8%42.1%9.2%-3.0%554.4K-6.0M-158.0K5.5193.43N/AN/A532925,9746,205
2025-11-21$143.31$135.0031.5%9.0%47.5%18.7%31.6%-1.6%1.2%59.7K-18.6M-149.8K1.5891.09N/AN/A3916195,9986,148
2025-11-24$141.05$140.0034.6%9.9%46.1%24.2%33.7%2.3%-3.2%22.7K-4.7M-157.7K0.0093.36N/AN/A64603,6984,637
2025-11-25$142.97$140.0033.4%9.6%46.4%22.1%33.4%-4.3%-2.7%402.1K-13.5M-162.2K0.1693.05N/AN/A3764,3024,635
2025-11-26$151.57$140.0032.2%9.2%43.8%20.0%27.4%5.3%1.6%661.9K-30.3M-153.7K0.0387.43N/AN/A424124,3274,637
2025-11-28$151.94$140.0030.4%8.7%43.7%16.9%28.5%5.6%0.2%721.1K-30.3M-147.4K3.5994.98N/AN/A291044,4104,649