NBIX Options History — February 2019

In February 2019, NBIX traded between $77.49 and $88.19. ATM implied volatility averaged 37.5%, placing in the 23.2% IV rank vs the trailing year. The 30-day expected move averaged 10.3%. IV traded above realized volatility by 3.1% (HV 20d: 34.4%). Max pain ranged from $80.00 to $85.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 18 of 19 days. Put/call ratio averaged 0.66.

Notable Days

  • 2019-02-22: Highest Volume — 3,054 contracts
  • 2019-02-06: Largest IV drop — 35.2% change
  • 2019-02-05: Highest IV Rank — 41.8%
  • 2019-02-21: Largest Expected Move — 11.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$82.87$77.49$88.19$88.14$77.93
Max Pain$84.47$80.00$85.00$85.00$80.00
ATM IV37.5%31.9%49.2%45.4%34.9%
Expected Move10.3%9.1%11.3%11.1%10.0%
HV 20d34.4%29.9%47.0%47.0%34.5%
HV 60d54.9%50.0%60.5%60.1%50.2%
IV Rank23.2%14.2%41.8%35.8%19.0%
IV Percentile41.0%12.7%77.4%66.3%32.5%
Term Structure4.5%-0.3%12.0%1.0%5.0%
VWIV35.3%31.1%39.2%38.5%34.8%
Skew 25d3.9%2.2%5.9%3.6%4.0%
Skew 10d8.6%4.6%16.2%7.8%9.4%
Call IV 25d34.2%30.4%36.6%36.6%34.5%
Put IV 25d38.1%33.7%42.1%40.2%38.5%
Bid-Ask Spread %62.3753.4174.0763.0153.41
Gamma HHI0.180.140.290.150.15
Net GEX1.2M106.4K2.2M1.9M668.8K
Net DEX-26.5M-58.6M10.1M-55.5M2.2M
Net VEX-265.0K-297.9K-230.4K-277.4K-277.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.660.042.260.620.14
Total Volume1,362.7894273,0541,8101,645
Total OI26,232.89518,56032,59626,99823,506

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-02-01$88.14$85.0045.4%11.1%47.0%35.8%38.5%3.6%1.0%1.9M-55.5M-277.4K0.6263.01N/AN/A1,11469618,5448,454
2019-02-04$88.10$85.0048.9%10.9%43.3%41.3%38.4%4.5%1.1%2.2M-58.3M-272.3K0.6963.64N/AN/A55638419,2018,521
2019-02-05$88.19$85.0049.2%11.1%29.9%41.8%39.2%5.9%-0.3%2.2M-58.6M-264.0K0.6374.07N/AN/A1,50294619,2058,521
2019-02-06$84.19$85.0031.9%9.1%31.9%14.2%32.2%3.3%6.0%2.2M-41.2M-236.4K0.9167.52N/AN/A94385520,0348,789
2019-02-07$81.51$85.0034.5%9.9%33.6%18.3%34.2%4.5%5.3%2.2M-25.6M-248.2K0.6168.92N/AN/A1,22974720,3679,134
2019-02-08$83.96$85.0035.5%10.2%35.2%20.0%35.7%3.4%7.1%2.1M-41.2M-264.7K0.2853.87N/AN/A1,70547820,6489,685
2019-02-11$84.98$80.0035.4%10.1%34.1%19.8%34.0%3.2%7.9%2.0M-49.6M-265.1K2.2667.80N/AN/A35079121,2999,804
2019-02-12$84.67$85.0034.1%9.8%33.7%17.8%32.7%3.2%12.0%1.8M-47.9M-266.5K0.9865.53N/AN/A51050021,49110,187
2019-02-13$84.42$85.0034.2%9.8%32.0%18.0%32.7%2.2%8.5%1.6M-47.8M-270.2K1.8469.24N/AN/A29454021,79310,497
2019-02-14$84.52$85.0034.5%9.9%31.9%18.5%33.7%4.9%9.0%1.3M-48.1M-268.2K1.5765.49N/AN/A36256721,80310,556
2019-02-15$84.53$85.0034.2%9.8%31.7%18.0%31.1%2.9%5.0%463.6K-46.0M-265.3K0.4167.75N/AN/A96339321,97910,617
2019-02-19$81.46$85.0037.4%10.7%31.8%23.0%36.1%3.7%4.7%378.2K1.0M-251.3K0.2554.85N/AN/A3428510,3028,258
2019-02-20$79.45$85.0037.3%10.7%32.5%22.9%36.7%3.0%1.3%255.1K5.8M-241.3K0.4858.01N/AN/A42320110,5368,315
2019-02-21$77.49$85.0039.3%11.3%32.9%26.0%37.8%4.0%0.5%106.4K10.1M-230.4K0.4354.01N/AN/A83335810,7528,433
2019-02-22$78.82$85.0035.5%10.2%34.0%20.1%36.5%4.9%3.6%276.3K7.4M-245.8K0.1265.41N/AN/A2,71833611,3358,547
2019-02-25$81.08$85.0037.1%10.6%34.9%22.5%34.9%4.3%2.8%686.8K-3.4M-295.0K0.0456.09N/AN/A5502313,6418,652
2019-02-26$80.23$85.0036.4%10.4%34.7%21.5%34.7%3.4%2.7%625.0K-3.0M-297.3K0.0858.70N/AN/A4893713,8288,663
2019-02-27$80.88$85.0036.6%10.5%33.2%21.7%36.2%5.6%2.6%688.4K-4.5M-297.9K0.1257.69N/AN/A1,27315513,8648,664
2019-02-28$77.93$80.0034.9%10.0%34.5%19.0%34.8%4.0%5.0%668.8K2.2M-277.0K0.1453.41N/AN/A1,44420114,7508,756