NBIX Options History — July 2025

In July 2025, NBIX traded between $127.85 and $136.13. ATM implied volatility averaged 38.3%, placing in the 25.4% IV rank vs the trailing year. The 30-day expected move averaged 11.4%. IV traded above realized volatility by 17.4% (HV 20d: 20.9%). Max pain ranged from $120.00 to $130.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 2 of 22 days. Put/call ratio averaged 0.45.

Notable Days

  • 2025-07-31: Highest Volume — 1,866 contracts
  • 2025-07-31: Largest IV drop — 45.4% change
  • 2025-07-30: Highest IV Rank — 43.5%
  • 2025-07-30: Largest Expected Move — 14.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$132.04$127.85$136.13$127.85$127.97
Max Pain$121.82$120.00$130.00$120.00$130.00
ATM IV38.3%27.6%51.6%29.6%28.2%
Expected Move11.4%8.1%14.8%8.5%8.1%
HV 20d20.9%15.8%31.1%15.8%31.1%
HV 60d28.0%25.4%39.9%39.9%28.7%
IV Rank25.4%10.8%43.5%13.6%11.6%
IV Percentile59.7%19.4%82.9%25.8%21.8%
Term Structure-6.9%-16.2%10.7%8.8%-5.5%
VWIV38.0%22.7%51.0%27.2%28.5%
Skew 25d8.3%-10.7%21.0%-3.4%-10.7%
Skew 10d0.8%-12.4%18.0%-6.6%-8.5%
Call IV 25d33.9%25.5%49.3%30.6%28.1%
Put IV 25d42.2%17.4%55.6%27.3%17.4%
Bid-Ask Spread %90.9482.18102.03101.0295.04
Gamma HHI0.130.110.280.130.14
Net GEX623.0K303.0K1.0M604.4K303.0K
Net DEX-18.4M-25.8M-5.9M-16.5M-5.9M
Net VEX-72.6K-93.2K-53.3K-70.9K-78.3K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.450.002.880.002.88
Total Volume388.13671,866141,866
Total OI6,581.8645,9218,4316,1308,431

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-07-01$127.85$120.0029.6%8.5%15.8%13.6%27.2%-3.4%8.8%604.4K-16.5M-70.9K0.00101.02N/AN/A1403,8422,288
2025-07-02$129.23$120.0028.1%8.1%16.1%11.5%28.2%3.3%10.7%635.8K-17.9M-64.0K0.09102.03N/AN/A3433,8462,288
2025-07-03$129.03$120.0027.6%11.7%16.0%10.8%38.8%7.2%-7.5%638.9K-17.5M-65.1K0.1792.93N/AN/A613,8452,290
2025-07-07$127.87$120.0033.0%11.8%16.4%18.2%22.7%2.3%-6.7%587.9K-15.9M-62.1K0.0091.69N/AN/A2303,8402,291
2025-07-08$128.67$120.0027.7%10.6%16.5%11.0%37.4%15.4%-6.4%653.4K-17.6M-59.3K0.3693.14N/AN/A66243,8622,291
2025-07-09$132.63$120.0039.6%11.3%19.4%27.2%41.0%12.1%-5.1%803.5K-22.6M-57.4K0.0792.02N/AN/A4433,8972,302
2025-07-10$135.52$120.0039.5%11.3%20.0%27.1%43.1%6.4%-5.1%852.6K-25.8M-56.0K0.0991.08N/AN/A248223,9382,304
2025-07-11$133.53$120.0036.0%10.3%21.0%22.3%37.8%12.7%-5.2%823.1K-23.6M-59.6K0.3891.08N/AN/A2183,9972,316
2025-07-14$134.69$120.0042.9%12.3%21.1%31.7%37.1%5.8%-11.3%875.3K-25.3M-54.8K0.0691.21N/AN/A6643,9992,318
2025-07-15$131.68$120.0041.8%12.0%22.6%30.2%41.4%-1.0%-6.9%715.5K-22.5M-53.3K0.4084.61N/AN/A7763094,0192,319
2025-07-16$133.61$120.0038.3%11.0%22.7%25.4%38.1%10.7%-4.1%831.0K-22.8M-68.4K0.5088.61N/AN/A1474,0972,626
2025-07-17$134.03$120.0037.4%10.7%22.5%24.2%37.6%3.1%-4.4%1.0M-23.2M-67.9K0.3284.21N/AN/A6642124,1002,633
2025-07-18$131.58$120.0040.5%11.6%23.1%28.4%39.2%21.0%-9.9%541.1K-19.3M-74.1K0.3292.04N/AN/A9433004,2952,832
2025-07-21$132.02$120.0039.2%11.2%22.7%26.7%35.3%15.6%-11.3%342.2K-13.8M-85.3K0.4484.39N/AN/A113503,4262,495
2025-07-22$133.05$120.0042.9%12.3%22.6%31.7%30.6%16.8%-11.3%407.2K-15.1M-85.4K0.0290.68N/AN/A535113,5342,538
2025-07-23$133.57$120.0043.5%12.5%21.5%32.5%45.0%16.8%-13.1%431.8K-15.2M-87.8K0.0392.86N/AN/A7923,8652,549
2025-07-24$131.89$120.0037.7%10.8%22.1%24.6%36.0%6.4%-4.7%451.5K-14.7M-85.2K0.0294.29N/AN/A10824,0232,550
2025-07-25$132.14$120.0042.5%12.2%21.6%31.2%42.6%12.4%-8.1%480.0K-14.8M-87.1K0.9787.72N/AN/A3133044,1242,552
2025-07-28$133.90$130.0047.1%13.5%21.4%37.4%49.4%10.6%-14.1%555.1K-16.9M-93.2K0.7886.71N/AN/A32254,4312,853
2025-07-29$134.31$130.0047.5%13.6%21.4%38.0%49.0%12.2%-13.7%559.1K-17.3M-90.6K1.7791.21N/AN/A43764,4552,876
2025-07-30$136.13$130.0051.6%14.8%21.3%43.5%51.0%6.3%-16.2%606.7K-19.9M-90.8K0.1782.18N/AN/A1,0001684,4722,952
2025-07-31$127.97$130.0028.2%8.1%31.1%11.6%28.5%-10.7%-5.5%303.0K-5.9M-78.3K2.8895.04N/AN/A4811,3855,3183,113