NBIX Options History — August 2007

In August 2007, NBIX traded between $9.49 and $10.35. ATM implied volatility averaged 49.7%, placing in the 52.2% IV rank vs the trailing year. The 30-day expected move averaged 14.0%. IV traded above realized volatility by 4.7% (HV 20d: 45.0%). Max pain ranged from $10.00 to $12.50. Net GEX was positive for 0 of 23 trading days. Term structure was in contango for 17 of 23 days. Put/call ratio averaged 1.22.

Notable Days

  • 2007-08-06: Highest Volume — 11,969 contracts
  • 2007-08-08: Largest IV spike — 38.2% change
  • 2007-08-08: Highest IV Rank — 96.2%
  • 2007-08-06: Largest Expected Move — 18.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$9.92$9.49$10.35$9.88$9.97
Max Pain$10.33$10.00$12.50$12.50$10.00
ATM IV49.7%37.1%70.0%55.2%43.4%
Expected Move14.0%10.6%18.0%15.8%12.4%
HV 20d45.0%35.1%52.3%40.7%46.4%
HV 60d38.1%34.9%40.8%34.9%39.7%
IV Rank52.2%24.7%96.2%64.1%38.5%
IV Percentile40.5%2.5%99.3%63.4%16.2%
Term Structure5.3%-9.1%17.5%-0.6%0.4%
VWIV50.6%36.5%63.2%55.6%43.6%
Skew 25d0.4%-22.6%69.9%69.9%1.6%
Skew 10d2.9%-35.6%111.6%108.2%2.6%
Call IV 25d50.9%31.3%67.1%48.9%39.7%
Put IV 25d51.2%34.5%118.9%118.9%41.3%
Bid-Ask Spread %11.225.8522.119.735.85
Gamma HHI0.240.220.310.260.23
Net GEX-217.6K-353.5K-164.9K-257.0K-186.6K
Net DEX11.1M7.8M16.5M16.5M10.0M
Net VEX-233.8K-248.8K-221.8K-242.5K-227.7K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.220.014.802.410.66
Total Volume2,949.95720311,9693,019299
Total OI116,999.217109,237124,887124,206113,935

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2007-08-01$9.88$12.5055.2%15.8%40.7%64.1%55.6%69.9%-0.6%-257.0K16.5M-242.5K2.419.73N/AN/A8852,13459,12165,085
2007-08-02$10.00$12.5052.4%15.0%40.9%58.1%52.1%68.6%5.5%-300.5K15.3M-248.8K0.599.03N/AN/A1,58293059,07665,811
2007-08-03$9.69$12.5049.6%14.2%41.4%51.9%49.6%2.6%9.1%-214.9K14.3M-241.0K0.6016.10N/AN/A70642759,60263,995
2007-08-06$9.58$10.0055.2%18.0%36.2%64.0%55.0%-19.0%-3.7%-203.5K12.0M-236.9K1.3313.95N/AN/A5,1346,83559,93863,892
2007-08-07$9.49$10.0050.6%16.7%35.1%54.2%58.9%-3.3%2.3%-193.3K12.7M-240.3K0.1022.11N/AN/A4,38043559,61164,532
2007-08-08$9.96$10.0070.0%15.4%39.5%96.2%53.7%-10.1%10.3%-209.2K11.2M-247.2K0.2011.16N/AN/A5,4471,09158,24564,386
2007-08-09$9.88$10.0069.9%15.3%39.5%96.1%56.1%-16.1%7.1%-164.9K7.8M-234.6K0.989.84N/AN/A48747956,65160,026
2007-08-10$10.16$10.0057.1%15.5%41.7%68.3%54.1%-10.8%6.6%-201.4K8.5M-239.0K0.5911.80N/AN/A65938756,70260,349
2007-08-13$10.08$10.0063.6%16.8%41.7%82.4%63.2%-19.8%7.1%-212.3K8.0M-236.4K1.379.60N/AN/A8481,16156,65960,470
2007-08-14$10.31$10.0052.0%14.9%43.0%57.2%56.5%-13.9%-0.1%-267.2K9.4M-234.5K3.7410.79N/AN/A1,0724,00857,14061,306
2007-08-15$9.57$10.0048.7%16.4%49.3%50.1%57.3%-22.6%-3.6%-238.1K13.1M-221.8K1.7513.54N/AN/A2,7234,76657,73061,197
2007-08-16$9.68$10.0056.3%16.1%49.7%66.4%56.3%-20.5%-9.1%-258.5K12.8M-226.0K4.0718.38N/AN/A5102,07659,61462,399
2007-08-17$9.82$10.0045.1%12.9%50.4%42.1%45.1%-1.5%-2.1%-353.5K12.7M-227.4K4.8010.80N/AN/A4902,35459,68862,920
2007-08-20$9.95$10.0039.6%11.4%50.5%30.2%39.6%2.0%14.1%-190.8K10.9M-233.4K2.007.73N/AN/A27755549,66759,570
2007-08-21$9.87$10.0037.1%10.6%50.1%24.7%36.5%3.2%17.5%-209.3K11.1M-227.5K0.258.00N/AN/A1624149,60759,803
2007-08-22$10.30$10.0042.8%12.3%52.3%37.2%43.7%-9.3%9.8%-193.3K8.0M-235.9K0.3115.97N/AN/A58017849,68059,763
2007-08-23$10.17$10.0039.2%11.2%52.3%29.4%0.0%-9.9%10.3%-204.4K9.5M-230.1K0.028.19N/AN/A8041849,84559,598
2007-08-24$10.35$10.0045.1%12.9%49.2%42.1%45.1%-8.9%8.4%-196.7K8.7M-237.9K0.0115.39N/AN/A6,1954950,23659,616
2007-08-27$10.09$10.0042.0%12.0%44.8%35.4%42.0%-12.3%8.2%-200.1K9.6M-233.5K0.587.10N/AN/A1,7671,02453,41159,625
2007-08-28$9.70$10.0046.4%13.3%46.7%44.9%48.5%-16.5%7.3%-174.5K11.2M-223.1K0.108.59N/AN/A2,55026652,73560,267
2007-08-29$9.99$10.0038.0%10.9%46.9%26.7%0.0%56.3%13.0%-197.8K11.6M-226.8K1.656.91N/AN/A14824453,31060,381
2007-08-30$9.78$10.0044.7%12.8%47.3%41.2%0.0%-1.4%4.3%-177.4K10.6M-224.9K0.047.57N/AN/A6622453,33460,454
2007-08-31$9.97$10.0043.4%12.4%46.4%38.5%43.6%1.6%0.4%-186.6K10.0M-227.7K0.665.85N/AN/A18011953,75760,178