BX Options History — April 2008

In April 2008, BX traded between $17.19 and $19.20. ATM implied volatility averaged 48.7%, placing in the 29.8% IV rank vs the trailing year. The 30-day expected move averaged 14.0%. IV traded below realized volatility by 9.5% (HV 20d: 58.1%). Max pain ranged from $15.00 to $17.50. Net GEX was positive for 21 of 22 trading days. Term structure was in contango for 15 of 22 days. Put/call ratio averaged 0.82.

Notable Days

  • 2008-04-17: Highest Volume — 16,673 contracts
  • 2008-04-18: Largest IV drop — 10.8% change
  • 2008-04-01: Highest IV Rank — 39.2%
  • 2008-04-01: Largest Expected Move — 15.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$18.33$17.19$19.20$17.19$18.67
Max Pain$17.16$15.00$17.50$15.00$17.50
ATM IV48.7%42.0%53.9%53.9%48.3%
Expected Move14.0%12.0%15.5%15.5%13.8%
HV 20d58.1%38.8%73.0%73.0%38.8%
HV 60d56.2%52.1%62.0%62.0%52.4%
IV Rank29.8%17.9%39.2%39.2%29.1%
IV Percentile51.4%32.0%66.0%65.4%50.7%
Term Structure1.0%-1.9%5.6%1.0%-0.9%
VWIV48.8%42.8%56.5%55.5%45.0%
Skew 25d7.7%1.1%14.1%11.1%6.7%
Skew 10d16.6%-14.3%37.2%29.0%8.7%
Call IV 25d46.6%41.5%52.4%52.4%41.5%
Put IV 25d54.3%44.0%63.6%63.5%48.2%
Bid-Ask Spread %15.868.2524.238.7611.36
Gamma HHI0.270.180.360.250.29
Net GEX385.8K-52.5K785.4K-52.5K423.6K
Net DEX-15.4M-41.5M7.9M7.9M-13.3M
Net VEX-736.7K-781.9K-687.1K-687.1K-731.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.820.261.760.261.65
Total Volume6,873.6361,80716,67314,6125,805
Total OI224,912.136202,294244,021202,294230,411

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-04-01$17.19$15.0053.9%15.5%73.0%39.2%55.5%11.1%1.0%-52.5K7.9M-687.1K0.268.76N/AN/A11,6123,00091,597110,697
2008-04-02$17.68$15.0051.0%14.6%72.5%34.0%51.5%14.1%3.8%366.9K-5.9M-702.4K0.8318.05N/AN/A5,4484,50898,225110,845
2008-04-03$17.77$15.0048.7%14.0%72.5%29.9%56.5%9.2%5.6%349.9K-7.3M-716.3K0.7012.91N/AN/A5,3953,78599,549112,163
2008-04-04$18.64$17.5048.6%15.1%70.5%29.7%52.9%10.8%-0.2%500.2K-21.1M-710.1K0.3014.84N/AN/A9,0042,729102,905113,824
2008-04-07$19.09$17.5046.5%13.1%68.8%26.0%48.1%7.4%0.9%620.4K-39.3M-735.0K0.6022.04N/AN/A5,5543,356107,111115,111
2008-04-08$18.59$17.5051.1%14.6%70.0%34.1%49.0%9.9%1.2%685.2K-34.3M-747.1K1.0523.82N/AN/A2,8522,991109,437116,459
2008-04-09$18.56$17.5051.2%14.9%65.6%34.3%52.1%9.0%0.3%689.6K-29.5M-750.0K0.6924.23N/AN/A4,9773,459110,618117,171
2008-04-10$18.26$17.5051.3%14.7%66.0%34.4%48.3%10.2%-0.3%716.7K-21.1M-736.1K1.7620.37N/AN/A1,1011,935110,419118,788
2008-04-11$17.76$17.5051.4%14.7%66.8%34.6%50.9%8.9%1.7%693.4K-10.9M-729.0K0.4318.34N/AN/A8,0513,439109,700119,539
2008-04-14$17.19$17.5053.8%15.4%64.1%39.0%53.8%12.6%-0.7%622.6K4.4M-708.1K0.6814.97N/AN/A5,5253,755110,831120,101
2008-04-15$17.33$17.5052.2%15.0%55.6%36.1%50.5%10.3%1.0%616.5K4.3M-723.5K0.7015.78N/AN/A1,4831,033111,854121,818
2008-04-16$17.66$17.5049.4%14.2%54.2%31.1%47.3%13.3%2.2%785.4K-6.5M-719.9K1.0420.74N/AN/A1,3621,421111,473121,638
2008-04-17$18.63$17.5050.0%14.3%53.5%32.2%47.9%5.7%1.3%145.6K-29.8M-757.5K0.5818.05N/AN/A10,5596,114112,110122,520
2008-04-18$19.02$17.5044.6%12.8%51.2%22.6%47.3%5.1%-0.5%250.6K-41.5M-781.9K0.8321.61N/AN/A5,3904,464117,441126,580
2008-04-21$18.70$17.5048.3%13.8%52.0%29.1%50.2%3.8%1.2%57.6K-10.6M-764.3K0.8721.21N/AN/A1,2601,093104,389116,232
2008-04-22$18.62$17.5046.9%13.4%51.2%26.6%46.1%2.8%1.6%66.2K-8.5M-745.9K1.198.37N/AN/A1,3731,631104,388116,232
2008-04-23$18.35$17.5046.9%13.5%51.6%26.7%45.5%7.0%2.6%41.0K-5.5M-752.1K1.6312.22N/AN/A6861,121105,794117,789
2008-04-24$18.55$17.5046.7%13.4%46.7%26.3%44.8%4.7%2.3%118.1K-10.0M-746.5K1.058.25N/AN/A1,2831,351106,057117,738
2008-04-25$19.20$17.5042.0%12.0%47.4%17.9%42.8%1.2%0.1%193.6K-25.2M-765.5K0.279.48N/AN/A2,588711106,757117,771
2008-04-28$18.95$17.5044.2%12.7%47.3%21.8%44.6%1.1%-1.9%238.0K-20.5M-744.1K0.6211.11N/AN/A3,2842,051107,298118,113
2008-04-29$18.81$17.5043.8%12.5%39.6%21.1%44.0%4.2%-1.1%358.3K-14.7M-752.2K0.4012.43N/AN/A1,915766109,165119,409
2008-04-30$18.67$17.5048.3%13.8%38.8%29.1%45.0%6.7%-0.9%423.6K-13.3M-731.8K1.6511.36N/AN/A2,1923,613110,555119,856