BX Options History — August 2008

In August 2008, BX traded between $16.81 and $18.83. ATM implied volatility averaged 48.1%, placing in the 25.3% IV rank vs the trailing year. The 30-day expected move averaged 12.8%. IV traded above realized volatility by 1.6% (HV 20d: 46.5%). Max pain ranged from $17.50 to $20.00. Net GEX was positive for 20 of 21 trading days. Term structure was in contango for 17 of 21 days. Put/call ratio averaged 0.89.

Notable Days

  • 2008-08-26: Highest Volume — 27,143 contracts
  • 2008-08-12: Largest IV spike — 48.4% change
  • 2008-08-12: Highest IV Rank — 63.0%
  • 2008-08-01: Largest Expected Move — 15.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.75$16.81$18.83$18.37$17.88
Max Pain$19.88$17.50$20.00$17.50$20.00
ATM IV48.1%37.2%68.9%55.4%37.2%
Expected Move12.8%10.7%15.9%15.9%10.7%
HV 20d46.5%29.0%65.1%65.1%29.5%
HV 60d46.6%45.6%48.1%47.4%46.1%
IV Rank25.3%5.6%63.0%38.5%5.6%
IV Percentile44.4%9.9%94.8%72.2%9.9%
Term Structure1.8%-4.8%5.6%-4.8%4.7%
VWIV45.6%37.4%60.3%55.7%38.2%
Skew 25d7.8%2.9%12.7%11.5%7.0%
Skew 10d15.9%-1.0%33.2%27.6%13.4%
Call IV 25d42.1%35.7%47.2%47.2%35.7%
Put IV 25d49.9%42.3%58.7%58.7%42.7%
Bid-Ask Spread %11.976.7321.4711.917.73
Gamma HHI0.200.180.370.210.21
Net GEX515.6K-684.7K837.4K715.2K707.6K
Net DEX-87.2M-113.8M-66.9M-106.7M-89.8M
Net VEX-774.9K-833.5K-717.8K-825.7K-750.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.890.011.821.600.73
Total Volume4,123.23878627,1431,8661,188
Total OI218,432.952211,840229,418213,669211,840

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-08-01$18.37$17.5055.4%15.9%65.1%38.5%55.7%11.5%-4.8%715.2K-106.7M-825.7K1.6011.91N/AN/A7191,147137,98675,683
2008-08-04$17.93$20.0063.3%14.8%65.0%52.9%50.0%12.7%-1.7%608.9K-91.0M-820.1K1.0617.97N/AN/A2,1552,281138,37576,641
2008-08-05$18.16$20.0066.6%15.1%64.5%59.0%49.9%12.0%-2.5%612.1K-98.4M-805.4K1.2113.17N/AN/A2,0792,512139,54378,016
2008-08-06$18.75$20.0052.7%13.5%63.9%33.6%44.4%9.9%0.9%731.4K-109.9M-806.8K1.1216.93N/AN/A2,9903,340140,13579,811
2008-08-07$18.44$20.0053.3%14.2%64.1%34.8%45.5%8.3%-0.5%603.8K-101.8M-807.6K0.6421.47N/AN/A2,9161,861140,97781,056
2008-08-08$18.56$20.0045.3%13.8%60.6%20.2%45.3%8.6%0.1%797.6K-108.4M-828.2K0.4113.82N/AN/A1,063435143,47480,676
2008-08-11$18.83$20.0046.4%11.9%55.9%22.3%44.0%8.3%2.0%837.4K-113.8M-822.7K1.7314.67N/AN/A3,3295,743143,37180,905
2008-08-12$18.33$20.0068.9%13.8%57.0%63.0%45.1%10.4%0.3%508.9K-98.9M-833.5K0.829.33N/AN/A1,2741,047144,65384,765
2008-08-13$17.88$20.0063.9%13.5%42.8%54.0%45.5%10.3%2.6%328.0K-86.8M-766.1K0.5011.07N/AN/A1,059529144,49984,783
2008-08-14$17.73$20.0045.3%13.0%41.4%20.3%45.2%9.4%3.1%250.1K-81.5M-791.3K1.259.45N/AN/A349437144,61384,650
2008-08-15$17.59$20.0042.7%12.2%41.2%15.5%42.3%6.9%5.6%-684.7K-78.7M-775.5K1.829.41N/AN/A1,9253,510144,60184,533
2008-08-18$17.17$20.0042.4%12.2%41.9%15.0%43.0%5.6%3.0%531.1K-72.5M-749.4K0.7910.90N/AN/A1,045829137,78475,011
2008-08-19$16.94$20.0042.6%12.2%42.1%15.3%43.9%6.3%4.1%451.6K-68.6M-742.2K0.4619.65N/AN/A2,3451,071138,12375,107
2008-08-20$16.81$20.0043.5%12.5%40.4%17.0%45.6%6.4%1.9%439.5K-66.9M-733.1K0.8315.01N/AN/A978813138,16474,772
2008-08-21$16.92$20.0041.2%11.8%35.6%12.9%46.6%5.6%4.2%465.2K-71.8M-719.1K0.176.73N/AN/A1,356234138,81774,726
2008-08-22$17.36$20.0040.8%11.7%36.6%12.0%41.0%6.2%2.8%579.8K-76.5M-748.0K0.548.92N/AN/A969526139,13574,754
2008-08-25$17.25$20.0041.5%11.9%36.2%13.4%44.7%6.7%3.1%583.2K-74.0M-742.0K0.4710.17N/AN/A651305139,76974,901
2008-08-26$17.22$20.0041.3%11.8%31.5%12.9%60.3%3.9%2.3%615.6K-75.1M-736.5K0.018.01N/AN/A26,982161140,12275,086
2008-08-27$17.08$20.0037.7%10.8%31.3%6.4%43.2%2.9%4.2%496.6K-75.2M-717.8K1.308.18N/AN/A576747137,91675,089
2008-08-28$17.62$20.0037.4%10.7%29.0%5.9%37.4%5.3%3.1%648.1K-84.4M-752.3K1.276.80N/AN/A1,3681,744138,25073,980
2008-08-29$17.88$20.0037.2%10.7%29.5%5.6%38.2%7.0%4.7%707.6K-89.8M-750.1K0.737.73N/AN/A685503138,24073,600