NBIX Options History — May 2025

In May 2025, NBIX traded between $107.48 and $123.69. ATM implied volatility averaged 41.5%, placing in the 29.8% IV rank vs the trailing year. The 30-day expected move averaged 10.8%. IV traded above realized volatility by 1.1% (HV 20d: 40.5%). Max pain ranged from $115.00 to $125.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 14 of 21 days. Put/call ratio averaged 4.38.

Notable Days

  • 2025-05-05: Highest Volume — 4,584 contracts
  • 2025-05-06: Largest IV drop — 46.0% change
  • 2025-05-05: Highest IV Rank — 80.5%
  • 2025-05-01: Largest Expected Move — 21.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$119.06$107.48$123.69$107.48$123.44
Max Pain$120.00$115.00$125.00$115.00$120.00
ATM IV41.5%30.3%78.8%75.5%30.4%
Expected Move10.8%8.7%21.6%21.6%8.7%
HV 20d40.5%34.3%60.8%60.8%35.8%
HV 60d46.0%43.5%58.7%58.5%43.5%
IV Rank29.8%14.6%80.5%76.0%14.7%
IV Percentile61.2%31.7%94.8%94.0%31.7%
Term Structure-1.1%-24.0%8.4%-24.0%1.1%
VWIV36.5%27.7%65.9%65.9%37.3%
Skew 25d5.2%-7.5%21.4%6.8%5.5%
Skew 10d9.2%-4.8%20.4%20.4%0.5%
Call IV 25d35.0%21.7%70.8%70.8%30.5%
Put IV 25d40.2%28.8%77.6%77.6%36.0%
Bid-Ask Spread %90.1080.6998.0793.6092.04
Gamma HHI0.390.220.890.300.24
Net GEX2.7M80.5K14.7M80.5K709.2K
Net DEX-20.3M-72.0M13.4M13.4M-13.7M
Net VEX-144.6K-169.9K-107.2K-169.9K-130.6K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio4.380.1237.500.690.32
Total Volume667.286104,58422666
Total OI16,724.8579,89224,44418,30310,300

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-05-01$107.48$115.0075.5%21.6%60.8%76.0%65.9%6.8%-24.0%80.5K13.4M-169.9K0.6993.60N/AN/A134929,0639,240
2025-05-02$109.52$115.0062.9%18.0%58.3%59.0%63.0%21.4%-15.9%329.2K13.0M-162.5K8.8598.07N/AN/A918059,0449,261
2025-05-05$110.09$125.0078.8%14.5%51.3%80.5%41.7%13.8%-7.9%158.3K5.8M-169.3K2.6182.64N/AN/A1,2703,3149,12310,015
2025-05-06$118.53$125.0042.5%10.0%54.7%31.2%35.2%4.3%1.3%2.6M-29.2M-162.6K0.2180.69N/AN/A8301769,93310,711
2025-05-07$122.21$120.0042.6%10.2%46.6%31.3%33.5%-4.3%1.0%3.7M-52.9M-149.9K0.2395.60N/AN/A47411010,29410,790
2025-05-08$118.46$120.0049.2%9.9%42.3%40.3%34.2%3.0%3.0%2.6M-28.2M-164.9K0.9084.61N/AN/A37333710,58510,899
2025-05-09$116.83$120.0032.7%8.9%37.2%17.8%27.7%12.9%8.4%3.2M-18.1M-153.3K12.1391.56N/AN/A4655810,89011,156
2025-05-12$120.40$120.0038.6%8.7%37.4%25.8%29.3%3.9%5.9%5.4M-45.6M-138.1K0.8485.49N/AN/A1,06689310,91111,690
2025-05-13$118.16$120.0046.7%9.0%35.9%36.9%31.3%3.9%2.5%4.4M-29.6M-148.0K1.2182.31N/AN/A485811,93312,511
2025-05-14$118.72$120.0036.0%10.3%35.9%22.2%35.9%11.4%3.4%6.4M-39.0M-138.3K0.6385.97N/AN/A18111411,51012,546
2025-05-15$119.75$120.0033.8%9.7%35.1%19.3%35.8%4.3%0.5%7.6M-38.9M-130.1K0.6792.15N/AN/A6411,65112,624
2025-05-16$121.13$120.0033.8%9.7%34.6%19.2%31.1%-0.1%-3.6%14.7M-72.0M-107.2K0.3392.48N/AN/A1,72957311,64712,623
2025-05-19$122.78$120.0032.3%9.3%34.3%17.3%32.4%-2.0%-0.2%495.2K-13.3M-146.7K0.3191.08N/AN/A54175,4274,465
2025-05-20$123.18$120.0030.3%8.7%34.4%14.6%31.9%10.8%2.0%566.0K-15.1M-145.0K0.4592.11N/AN/A98445,4134,481
2025-05-21$120.89$120.0032.9%9.4%35.8%18.0%33.1%-3.8%1.0%433.0K-9.3M-145.3K0.8591.94N/AN/A33285,4954,488
2025-05-22$119.31$120.0030.6%8.8%35.9%14.9%28.3%5.3%4.6%363.6K-5.1M-140.1K1.4489.56N/AN/A18265,5104,502
2025-05-23$120.00$120.0035.6%10.2%35.8%21.7%36.0%11.7%0.4%373.7K-5.7M-138.5K37.5091.85N/AN/A2755,5294,525
2025-05-27$122.25$120.0035.1%10.1%36.0%21.1%33.3%6.7%-4.7%557.7K-11.8M-132.5K0.1890.08N/AN/A1125,5274,580
2025-05-28$123.41$120.0038.5%11.0%35.9%25.7%37.9%2.0%-3.1%571.0K-14.4M-132.2K21.6094.12N/AN/A51085,5294,581
2025-05-29$123.69$120.0032.7%9.4%35.6%17.8%32.5%-7.5%1.6%648.5K-16.6M-131.1K0.1294.07N/AN/A129155,5314,689
2025-05-30$123.44$120.0030.4%8.7%35.8%14.7%37.3%5.5%1.1%709.2K-13.7M-130.6K0.3292.04N/AN/A50165,6064,694