NBIX Options History — October 2007

In October 2007, NBIX traded between $9.12 and $10.91. ATM implied volatility averaged 56.9%, placing in the 64.6% IV rank vs the trailing year. The 30-day expected move averaged 16.8%. IV traded above realized volatility by 23.2% (HV 20d: 33.7%). Max pain ranged from $10.00 to $12.50. Net GEX was positive for 1 of 23 trading days. Term structure was in contango for 23 of 23 days. Put/call ratio averaged 1.23.

Notable Days

  • 2007-10-10: Highest Volume — 21,873 contracts
  • 2007-10-10: Largest IV spike — 42.6% change
  • 2007-10-29: Highest IV Rank — 100.0%
  • 2007-10-30: Largest Expected Move — 25.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$10.02$9.12$10.91$9.91$9.25
Max Pain$12.07$10.00$12.50$10.00$12.50
ATM IV56.9%39.8%87.3%39.8%79.1%
Expected Move16.8%11.4%25.0%11.4%22.7%
HV 20d33.7%20.2%41.5%31.7%40.5%
HV 60d40.3%38.9%42.6%40.3%39.8%
IV Rank64.6%30.7%100.0%30.7%86.7%
IV Percentile66.9%10.7%100.0%10.7%99.5%
Term Structure22.5%5.3%40.6%11.6%13.8%
VWIV61.8%39.8%87.7%39.8%79.2%
Skew 25d-11.4%-29.8%2.6%0.8%-25.6%
Skew 10d-19.8%-43.2%9.2%1.2%-43.2%
Call IV 25d67.5%39.9%94.5%39.9%87.1%
Put IV 25d56.1%40.7%82.0%40.7%61.5%
Bid-Ask Spread %19.559.9057.489.9057.48
Gamma HHI0.230.190.310.230.25
Net GEX-58.8K-163.4K207.9K-163.4K-8.0K
Net DEX7.7M-1.7M15.1M12.9M12.4M
Net VEX-210.8K-239.4K-176.3K-202.9K-178.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.230.0214.610.320.05
Total Volume3,617.34813221,8731,5071,628
Total OI133,253.565123,101139,500123,101139,500

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2007-10-01$9.91$10.0039.8%11.4%31.7%30.7%39.8%0.8%11.6%-163.4K12.9M-202.9K0.329.90N/AN/A1,13936862,63360,468
2007-10-02$9.85$10.0040.7%11.7%31.7%32.7%40.7%0.2%10.7%-150.9K13.4M-202.2K0.4610.99N/AN/A7,9463,63463,33460,719
2007-10-03$9.53$10.0048.4%13.9%33.3%49.4%48.5%-5.7%7.8%-152.7K15.1M-204.9K0.1513.84N/AN/A3,49351766,41564,065
2007-10-04$9.65$10.0040.9%11.7%27.8%33.1%0.0%1.0%13.8%-110.8K12.0M-218.2K0.0411.89N/AN/A3,11812072,35363,953
2007-10-05$9.74$12.5041.9%16.4%24.8%35.1%57.4%-22.2%27.4%-88.6K9.5M-226.3K4.1711.22N/AN/A1,4716,13773,32263,283
2007-10-08$9.66$12.5048.8%16.6%20.2%50.1%65.8%-6.7%26.9%-76.1K10.5M-202.8K0.0317.77N/AN/A1,4924969,58358,268
2007-10-09$10.15$12.5044.1%16.3%28.2%39.9%59.3%-0.4%29.3%-74.4K5.8M-219.5K0.3318.37N/AN/A1,58452870,79958,301
2007-10-10$10.50$12.5062.8%18.1%30.9%80.7%56.7%2.0%15.7%-75.6K1.5M-227.0K0.9422.73N/AN/A11,29810,57571,48058,484
2007-10-11$10.60$12.5058.4%16.8%31.1%71.1%66.3%-2.5%27.7%-9.3K-225.1K-239.4K1.5426.46N/AN/A9661,48975,89758,911
2007-10-12$10.91$12.5061.9%17.8%32.7%78.7%58.4%-5.8%20.0%-29.0K-1.5M-239.3K0.3714.60N/AN/A51118774,67659,201
2007-10-15$10.83$12.5059.4%17.0%32.0%73.3%61.5%-12.8%22.8%-26.1K-1.7M-236.4K0.5213.61N/AN/A55828974,85759,281
2007-10-16$10.55$12.5053.8%15.4%33.4%61.0%57.4%-21.0%34.0%-36.3K2.6M-223.9K0.2713.22N/AN/A1042874,67259,348
2007-10-17$10.40$12.5056.9%16.3%33.7%67.7%58.3%-21.0%29.2%-9.0K2.1M-224.9K2.4719.15N/AN/A21051874,60859,366
2007-10-18$10.55$12.5059.3%17.0%32.6%73.1%84.6%-12.6%23.9%-45.8K4.7M-219.8K0.5125.19N/AN/A924774,75259,656
2007-10-19$10.02$12.5059.8%17.2%37.5%74.2%61.2%-19.8%33.6%207.9K6.0M-211.8K14.6116.57N/AN/A4236,17974,81559,694
2007-10-22$10.04$12.5055.0%15.8%37.2%63.7%61.2%-21.8%35.8%-145.0K11.2M-214.1K0.1322.21N/AN/A1,12014473,41364,907
2007-10-23$10.28$12.5054.5%15.6%37.2%62.5%55.0%-17.9%40.6%-86.2K7.4M-208.3K0.0212.49N/AN/A2,6405274,20159,071
2007-10-24$10.11$12.5058.0%16.6%37.6%70.1%58.0%-17.7%36.8%-67.9K7.4M-204.0K0.5616.10N/AN/A20211475,40158,997
2007-10-25$9.80$12.5060.2%17.2%39.3%74.9%60.4%-23.8%23.3%-62.8K9.5M-197.1K0.1715.91N/AN/A1,47725374,98559,055
2007-10-26$9.62$12.5060.7%17.4%39.8%76.0%61.5%2.6%20.8%-47.1K10.7M-190.5K0.3324.82N/AN/A75325076,09959,100
2007-10-29$9.37$12.5077.5%22.2%40.6%100.0%81.4%-2.7%7.5%-53.3K13.1M-180.0K0.1723.04N/AN/A1,82030476,51159,310
2007-10-30$9.12$12.5087.3%25.0%41.5%100.0%87.7%-29.8%5.3%-42.2K14.2M-176.3K0.0332.05N/AN/A7,13224077,70259,386
2007-10-31$9.25$12.5079.1%22.7%40.5%86.7%79.2%-25.6%13.8%-8.0K12.4M-178.8K0.0557.48N/AN/A1,5488080,43659,064