NBIX Options History — May 2019

In May 2019, NBIX traded between $74.69 and $84.54. ATM implied volatility averaged 40.6%, placing in the 21.8% IV rank vs the trailing year. The 30-day expected move averaged 11.3%. IV traded below realized volatility by 0.1% (HV 20d: 40.6%). Max pain ranged from $70.00 to $80.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 18 of 22 days. Put/call ratio averaged 0.70.

Notable Days

  • 2019-05-30: Highest Volume — 4,456 contracts
  • 2019-05-13: Largest IV spike — 39.9% change
  • 2019-05-13: Highest IV Rank — 49.0%
  • 2019-05-07: Largest Expected Move — 12.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$79.00$74.69$84.54$74.69$84.54
Max Pain$75.45$70.00$80.00$80.00$80.00
ATM IV40.6%35.6%56.3%42.7%42.8%
Expected Move11.3%10.2%12.6%12.2%12.3%
HV 20d40.6%35.3%43.6%39.6%39.1%
HV 60d38.2%37.0%39.7%38.1%39.4%
IV Rank21.8%13.2%49.0%25.4%25.6%
IV Percentile44.0%24.2%85.7%53.6%54.4%
Term Structure2.5%-1.9%6.6%-1.3%-0.5%
VWIV39.9%36.4%47.9%42.0%47.9%
Skew 25d2.8%-0.4%4.8%-0.4%1.4%
Skew 10d6.2%0.3%10.5%4.1%0.3%
Call IV 25d38.4%34.5%44.4%42.4%44.4%
Put IV 25d41.3%37.5%45.8%42.1%45.8%
Bid-Ask Spread %47.3920.5867.9728.1845.50
Gamma HHI0.230.140.320.140.19
Net GEX1.8M767.6K2.9M825.9K2.8M
Net DEX-17.8M-44.2M8.1M8.1M-44.2M
Net VEX-289.5K-336.4K-248.8K-295.5K-305.6K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.700.043.371.010.10
Total Volume1,459.8181374,4563,4872,703
Total OI35,376.09125,84741,70739,97028,451

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-05-01$74.69$80.0042.7%12.2%39.6%25.4%42.0%-0.4%-1.3%825.9K8.1M-295.5K1.0128.18N/AN/A1,7381,74926,88813,082
2019-05-02$76.94$80.0039.7%11.4%41.3%20.3%39.5%1.2%1.8%1.2M-5.5M-314.6K2.1221.35N/AN/A8971,89927,06612,775
2019-05-03$79.01$80.0039.4%11.3%42.2%19.7%39.6%1.9%1.6%1.6M-20.1M-336.4K3.3720.58N/AN/A5931,99627,12812,911
2019-05-06$79.56$70.0039.9%12.0%40.1%20.6%42.1%0.9%2.3%1.8M-25.1M-329.9K0.2156.78N/AN/A3727927,29012,979
2019-05-07$78.22$70.0043.6%12.6%40.1%27.1%44.3%2.7%2.1%1.3M-13.4M-317.8K0.4853.16N/AN/A31415227,46513,056
2019-05-08$80.58$70.0040.9%11.2%42.1%22.4%37.9%1.9%6.1%2.2M-31.2M-327.6K0.6660.80N/AN/A1,03368527,52313,022
2019-05-09$79.25$75.0041.7%11.2%42.0%23.7%39.5%2.7%6.0%1.7M-20.2M-315.6K1.2064.30N/AN/A40948928,10312,955
2019-05-10$78.94$75.0040.2%11.0%39.6%21.2%39.7%3.7%5.6%1.5M-18.7M-305.5K0.1066.75N/AN/A1241328,11413,079
2019-05-13$75.98$75.0056.3%12.2%41.4%49.0%41.8%2.8%4.4%767.6K3.0M-269.5K0.9750.82N/AN/A60558528,11413,079
2019-05-14$78.78$75.0049.1%11.4%43.6%36.5%39.2%4.6%4.6%1.2M-15.8M-287.0K1.4867.97N/AN/A1,2611,86428,58513,122
2019-05-15$78.89$75.0037.7%10.8%43.6%16.8%39.8%3.4%5.9%1.1M-15.6M-281.2K0.0563.06N/AN/A172928,69812,903
2019-05-16$79.97$75.0037.4%10.7%42.2%16.3%37.1%3.8%6.6%895.9K-25.5M-283.3K0.2151.86N/AN/A2244728,79812,792
2019-05-17$78.88$75.0037.5%10.7%39.4%16.4%37.9%2.9%6.3%2.0M-7.3M-268.4K0.8655.65N/AN/A1,2281,05528,83812,781
2019-05-20$76.43$75.0041.4%11.9%39.7%23.3%40.4%2.7%1.8%1.7M-5.7M-248.8K0.1451.20N/AN/A75310217,8757,972
2019-05-21$78.46$75.0037.9%10.9%40.6%17.1%38.4%3.3%0.4%2.3M-15.1M-265.9K0.4740.56N/AN/A38718018,5848,039
2019-05-22$79.76$75.0037.2%10.7%40.4%15.9%37.1%3.5%0.3%2.5M-21.4M-268.0K0.2652.04N/AN/A53313618,7518,127
2019-05-23$78.42$75.0036.9%10.6%40.4%15.4%36.4%4.1%0.5%2.3M-14.4M-259.1K0.1046.93N/AN/A8468118,8828,148
2019-05-24$79.92$75.0035.6%10.2%40.8%13.2%37.1%3.0%1.3%2.8M-23.9M-272.7K0.4943.59N/AN/A56628019,4198,157
2019-05-28$79.33$75.0035.9%10.3%40.9%13.7%37.8%4.8%2.0%2.6M-20.5M-263.7K0.5145.18N/AN/A49225319,5338,307
2019-05-29$78.35$75.0038.9%11.2%35.3%19.0%39.7%4.8%-0.5%2.4M-14.4M-257.4K0.6330.59N/AN/A46429219,7618,534
2019-05-30$83.15$80.0040.4%11.6%39.9%21.4%42.8%2.5%-1.9%2.9M-43.9M-295.9K0.0425.77N/AN/A4,29016619,9168,672
2019-05-31$84.54$80.0042.8%12.3%39.1%25.6%47.9%1.4%-0.5%2.8M-44.2M-305.6K0.1045.50N/AN/A2,45225119,7138,738