NBIX Options History — February 2026

In February 2026, NBIX traded between $122.92 and $141.38. ATM implied volatility averaged 40.7%, placing in the 33.8% IV rank vs the trailing year. The 30-day expected move averaged 10.5%. IV traded above realized volatility by 5.4% (HV 20d: 35.3%). Max pain ranged from $135.00 to $145.00. Net GEX was positive for 0 of 19 trading days. Term structure was in contango for 6 of 19 days. Put/call ratio averaged 6.82.

Notable Days

  • 2026-02-12: Highest Volume — 3,557 contracts
  • 2026-02-11: Largest IV drop — 30.8% change
  • 2026-02-09: Highest IV Rank — 71.0%
  • 2026-02-03: Largest Expected Move — 14.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$132.93$122.92$141.38$136.71$131.99
Max Pain$138.16$135.00$145.00$145.00$135.00
ATM IV40.7%29.1%62.1%46.1%34.0%
Expected Move10.5%8.3%14.5%13.2%9.7%
HV 20d35.3%18.7%46.8%23.8%46.3%
HV 60d32.6%27.8%36.4%32.1%33.8%
IV Rank33.8%13.6%71.0%43.1%22.1%
IV Percentile61.0%27.4%95.6%87.7%52.0%
Term Structure-3.1%-15.6%3.1%-11.0%-2.7%
VWIV35.4%20.3%51.8%45.7%20.3%
Skew 25d4.9%-1.5%10.6%8.0%9.1%
Skew 10d4.0%-9.2%25.6%25.6%6.1%
Call IV 25d33.7%23.7%46.3%43.8%23.7%
Put IV 25d38.6%29.3%55.9%51.8%32.8%
Bid-Ask Spread %94.4186.69101.8788.62101.87
Gamma HHI0.210.130.370.200.16
Net GEX-656.1K-1.4M-218.9K-676.9K-218.9K
Net DEX18.6M6.6M39.8M13.7M15.8M
Net VEX-249.4K-266.8K-188.7K-246.4K-263.2K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio6.820.0270.710.853.70
Total Volume461.94743,55737108
Total OI9,612.1058,76911,0159,4488,869

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-02-02$136.71$145.0046.1%13.2%23.8%43.1%45.7%8.0%-11.0%-676.9K13.7M-246.4K0.8588.62N/AN/A20173,7425,706
2026-02-03$138.38$145.0050.6%14.5%22.3%51.1%51.8%9.6%-15.6%-595.8K9.7M-249.0K2.0086.69N/AN/A37743,7555,711
2026-02-04$138.49$145.0050.3%14.4%22.3%50.5%45.3%10.6%-12.6%-632.3K10.7M-250.6K9.0692.68N/AN/A161453,7625,706
2026-02-05$137.56$140.0056.5%10.9%20.9%61.3%38.9%2.4%-4.1%-612.8K10.8M-250.2K2.6391.27N/AN/A792083,7715,815
2026-02-06$141.38$140.0055.5%10.7%19.1%59.6%41.1%6.0%-1.6%-617.4K6.6M-258.7K0.1290.31N/AN/A115143,7295,970
2026-02-09$139.25$140.0062.1%11.6%20.1%71.0%33.3%4.8%-6.0%-649.7K8.0M-244.8K0.6391.46N/AN/A16103,6885,836
2026-02-10$138.68$140.0060.5%11.6%18.7%68.3%41.9%0.1%-5.2%-635.9K9.1M-245.1K0.3888.09N/AN/A39153,6875,840
2026-02-11$137.50$140.0041.9%12.0%18.9%35.8%41.1%8.2%-5.6%-676.9K13.2M-239.7K1.1390.05N/AN/A75853,6855,841
2026-02-12$122.92$140.0033.5%9.6%44.1%21.2%35.9%-1.5%3.1%-824.8K39.8M-188.7K5.4396.17N/AN/A5533,0043,7035,830
2026-02-13$124.19$135.0034.6%9.9%44.3%23.1%34.9%2.9%1.2%-760.6K28.9M-202.2K27.4195.44N/AN/A631,7274,1655,381
2026-02-17$128.41$135.0032.2%9.2%46.1%18.9%29.9%6.9%2.5%-970.0K26.5M-246.4K1.8595.74N/AN/A3256004,1675,969
2026-02-18$128.59$135.0031.8%9.1%45.8%18.3%33.5%5.4%2.7%-991.9K31.2M-266.4K1.2395.55N/AN/A22274,4686,534
2026-02-19$130.50$135.0030.9%8.8%46.0%16.7%29.7%7.1%-1.0%-1.1M28.2M-266.8K70.7196.74N/AN/A171,2024,4746,537
2026-02-20$128.88$135.0029.1%8.3%45.9%13.6%32.5%3.4%-1.8%-1.4M31.0M-262.3K0.0998.71N/AN/A3434,4846,531
2026-02-23$128.04$135.0033.8%9.7%45.9%21.8%34.3%4.1%-2.6%-319.7K19.9M-260.4K0.2296.97N/AN/A923,4025,367
2026-02-24$131.18$135.0029.1%8.3%46.8%13.6%28.9%1.0%1.3%-260.5K17.6M-266.3K0.0296.01N/AN/A9123,4105,366
2026-02-25$131.94$135.0030.3%8.7%46.8%15.6%31.9%-0.9%-0.7%-221.2K16.1M-265.7K1.11100.34N/AN/A9103,4945,367
2026-02-26$131.13$135.0030.5%8.7%46.7%16.1%21.5%5.3%1.8%-233.8K16.2M-264.7K1.00101.10N/AN/A223,5015,367
2026-02-27$131.99$135.0034.0%9.7%46.3%22.1%20.3%9.1%-2.7%-218.9K15.8M-263.2K3.70101.87N/AN/A23853,5035,366