BX Options History — August 2009

In August 2009, BX traded between $12.87 and $14.96. ATM implied volatility averaged 61.7%, placing in the 10.4% IV rank vs the trailing year. The 30-day expected move averaged 17.7%. IV traded below realized volatility by 37.9% (HV 20d: 99.6%). Max pain ranged from $10.00 to $14.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 13 of 21 days. Put/call ratio averaged 0.61.

Notable Days

  • 2009-08-26: Highest Volume — 214,775 contracts
  • 2009-08-06: Largest IV drop — 25.7% change
  • 2009-08-05: Highest IV Rank — 19.6%
  • 2009-08-05: Largest Expected Move — 23.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$13.65$12.87$14.96$13.64$12.89
Max Pain$11.14$10.00$14.00$11.00$14.00
ATM IV61.7%51.1%83.4%78.5%55.8%
Expected Move17.7%14.7%23.9%22.5%16.0%
HV 20d99.6%74.0%105.3%95.8%74.0%
HV 60d75.8%73.0%77.9%75.2%75.5%
IV Rank10.4%5.9%19.6%17.5%7.9%
IV Percentile22.0%6.0%42.1%39.3%11.5%
Term Structure-0.5%-12.9%5.4%-12.9%3.2%
VWIV61.2%38.9%83.5%79.8%53.5%
Skew 25d5.2%-0.3%8.9%0.3%8.0%
Skew 10d9.6%-2.3%19.5%4.0%9.3%
Call IV 25d59.9%50.6%81.2%80.3%51.9%
Put IV 25d65.1%54.6%86.2%80.6%59.9%
Bid-Ask Spread %12.537.9118.1211.767.91
Gamma HHI0.180.150.230.150.15
Net GEX922.0K639.6K1.3M819.8K639.6K
Net DEX-65.8M-100.1M-27.4M-73.1M-27.4M
Net VEX-351.5K-381.6K-318.7K-323.4K-351.3K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.610.012.290.280.52
Total Volume21,439.7141,644214,77543,9401,644
Total OI190,869.143164,571204,741164,571183,799

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2009-08-03$13.64$11.0078.5%22.5%95.8%17.5%79.8%0.3%-12.9%819.8K-73.1M-323.4K0.2811.76N/AN/A34,4629,478110,76353,808
2009-08-04$12.93$11.0076.2%21.8%95.4%16.5%80.3%-0.3%-6.7%857.0K-61.6M-318.7K0.489.67N/AN/A8,2163,928115,89758,838
2009-08-05$14.96$11.0083.4%23.9%94.1%19.6%83.5%5.0%-12.1%914.0K-99.2M-345.0K0.298.91N/AN/A30,6068,740115,83359,593
2009-08-06$14.00$11.0062.0%17.8%99.7%10.5%61.8%1.2%0.1%1.0M-79.4M-341.6K0.3212.30N/AN/A16,2155,125120,57463,291
2009-08-07$14.29$10.0059.3%17.8%99.5%9.4%62.1%6.6%-2.3%1.1M-85.9M-357.2K0.3713.67N/AN/A9,5163,476124,52865,734
2009-08-10$14.90$10.0064.6%18.1%99.4%11.6%64.3%7.6%0.1%1.2M-100.1M-369.8K0.3918.12N/AN/A10,8144,166126,28666,814
2009-08-11$14.46$10.0061.7%18.2%101.1%10.3%61.9%6.2%-2.2%1.2M-91.9M-381.6K0.3311.21N/AN/A4,4231,462130,53869,701
2009-08-12$14.58$10.0058.5%17.2%100.6%9.0%63.0%6.3%1.3%1.3M-93.1M-378.3K0.3416.90N/AN/A3,5521,220130,48570,579
2009-08-13$14.41$10.0061.1%17.5%99.9%10.1%62.0%5.8%-0.6%1.3M-88.3M-369.5K0.3614.87N/AN/A2,660947130,16270,948
2009-08-14$14.05$10.0059.8%17.2%100.3%9.6%59.5%4.2%0.3%1.2M-79.8M-366.1K0.4313.37N/AN/A3,8691,670130,14070,673
2009-08-17$13.02$10.0065.5%18.8%105.3%12.0%65.2%5.5%-1.8%882.0K-54.1M-344.7K0.679.45N/AN/A5,9813,982131,69171,162
2009-08-18$13.21$11.0062.5%17.9%104.9%10.7%58.7%5.5%-1.4%914.0K-59.5M-348.7K0.2711.90N/AN/A5,1551,371131,52371,990
2009-08-19$13.16$11.0060.5%17.3%104.6%9.8%60.0%7.3%0.2%852.5K-56.4M-340.2K1.5314.08N/AN/A2,2573,460130,19872,137
2009-08-20$13.45$10.0057.6%16.5%102.6%8.6%57.8%4.9%4.3%781.2K-61.8M-349.5K1.6315.09N/AN/A2,5714,199128,52773,927
2009-08-21$13.60$10.0054.5%15.6%102.6%7.3%54.2%7.8%4.6%881.4K-63.7M-351.6K0.398.74N/AN/A5,8922,285129,19475,547
2009-08-24$13.07$11.0056.9%16.3%103.9%8.3%55.8%8.9%4.2%678.0K-47.4M-334.1K0.4713.89N/AN/A10,9255,132113,06966,649
2009-08-25$12.87$12.5057.0%16.4%104.0%8.4%58.0%6.0%2.0%699.2K-44.5M-344.7K1.0113.32N/AN/A2,4062,442118,83670,239
2009-08-26$13.10$12.5051.1%14.7%101.9%5.9%38.9%2.5%5.4%784.1K-48.6M-346.6K0.0114.42N/AN/A212,7442,031119,41671,692
2009-08-27$13.06$14.0054.0%15.5%101.2%7.1%53.0%4.2%3.6%705.4K-34.2M-359.3K2.2911.34N/AN/A2,4635,644107,14972,832
2009-08-28$13.10$14.0055.3%15.8%100.9%7.6%51.7%6.1%1.1%686.4K-32.3M-359.0K0.4512.16N/AN/A2,139966107,69375,797
2009-08-31$12.89$14.0055.8%16.0%74.0%7.9%53.5%8.0%3.2%639.6K-27.4M-351.3K0.527.91N/AN/A1,085559107,85775,942