BX Options History — August 2011

In August 2011, BX traded between $11.53 and $16.61. ATM implied volatility averaged 59.1%, placing in the 64.6% IV rank vs the trailing year. The 30-day expected move averaged 16.5%. IV traded below realized volatility by 17.0% (HV 20d: 76.2%). Max pain ranged from $16.00 to $18.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 8 of 23 days. Put/call ratio averaged 0.65.

Notable Days

  • 2011-08-09: Highest Volume — 113,248 contracts
  • 2011-08-04: Largest IV spike — 45.7% change
  • 2011-08-04: Highest IV Rank — 100.0%
  • 2011-08-08: Largest Expected Move — 20.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$13.21$11.53$16.61$16.61$13.71
Max Pain$17.09$16.00$18.00$16.00$17.00
ATM IV59.1%38.8%87.1%38.8%40.9%
Expected Move16.5%11.1%20.8%11.1%11.7%
HV 20d76.2%37.0%96.6%37.0%96.6%
HV 60d50.4%30.3%61.9%30.3%61.9%
IV Rank64.6%25.8%100.0%63.2%25.8%
IV Percentile96.9%87.3%100.0%87.3%89.7%
Term Structure-2.2%-10.8%6.0%-0.1%6.0%
VWIV58.3%39.9%73.6%39.9%47.9%
Skew 25d12.8%5.0%18.8%6.8%12.1%
Skew 10d18.7%-11.1%36.7%-4.0%30.9%
Call IV 25d53.6%37.9%69.5%37.9%39.5%
Put IV 25d66.4%44.7%83.5%44.7%51.6%
Bid-Ask Spread %9.225.1418.176.635.97
Gamma HHI0.250.220.300.230.26
Net GEX1.2M675.9K2.7M2.7M1.3M
Net DEX-14.8M-94.0M15.0M-94.0M-24.1M
Net VEX-764.8K-1.1M-593.1K-1.1M-732.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.650.022.630.180.53
Total Volume13,202.0433,063113,2483,3979,960
Total OI302,909.174287,827332,372297,479294,966

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2011-08-01$16.61$16.0038.8%11.1%37.0%63.2%39.9%6.8%-0.1%2.7M-94.0M-1.1M0.186.63N/AN/A2,886511223,17974,300
2011-08-02$16.00$16.0041.7%11.9%38.2%76.2%44.6%5.0%-1.2%2.3M-71.7M-1.1M0.417.26N/AN/A3,2971,351224,91474,303
2011-08-03$15.38$16.0042.4%12.1%40.3%79.3%41.2%5.6%-0.8%1.9M-45.5M-968.1K0.886.35N/AN/A2,9822,616225,55874,426
2011-08-04$13.72$16.0061.7%17.7%55.2%100.0%63.7%7.3%-6.8%1.3M-10.8M-851.8K0.487.57N/AN/A9,5774,631227,14576,138
2011-08-05$13.60$18.0059.7%15.7%55.2%94.7%56.2%8.6%-3.6%1.3M-11.1M-840.1K0.3110.05N/AN/A13,4114,111230,67077,341
2011-08-08$12.04$18.0087.0%20.8%67.6%100.0%73.6%11.3%-9.9%965.0K3.0M-756.0K0.3516.37N/AN/A19,5216,913239,38478,367
2011-08-09$13.00$18.0060.5%16.5%75.2%57.4%57.0%11.9%-3.4%1.2M-8.5M-869.2K0.0213.94N/AN/A110,8962,352249,63482,738
2011-08-10$12.32$18.0087.1%20.8%76.5%100.0%70.5%11.6%-10.8%882.9K-758.3K-700.6K0.6518.17N/AN/A7,1164,624220,47282,668
2011-08-11$12.84$18.0066.2%19.0%79.0%66.5%67.9%12.9%-7.6%1.0M-10.8M-747.4K0.6412.27N/AN/A4,8483,107222,58384,477
2011-08-12$13.05$18.0059.5%17.0%79.6%55.6%64.1%14.6%-4.3%1.0M-9.5M-732.2K0.8910.02N/AN/A5,9815,317223,09984,489
2011-08-15$13.75$17.0052.1%14.9%82.1%43.8%54.1%13.3%0.4%1.2M-22.2M-789.6K0.237.18N/AN/A5,3851,249223,92188,055
2011-08-16$13.73$17.0051.1%14.7%81.2%42.2%62.7%13.6%1.3%1.1M-22.2M-784.9K2.636.54N/AN/A1,9915,231223,58887,442
2011-08-17$13.74$17.0049.7%14.3%80.2%39.9%49.9%13.1%2.1%1.2M-21.6M-770.0K1.476.36N/AN/A2,6183,836224,30385,303
2011-08-18$12.19$17.0071.8%20.6%86.7%75.3%70.1%17.1%-8.1%753.5K5.2M-669.9K0.5213.39N/AN/A5,1252,652222,48587,307
2011-08-19$11.64$17.0070.1%20.1%85.0%72.6%66.4%16.6%-7.9%681.1K15.0M-604.2K0.1611.20N/AN/A3,711609224,12187,744
2011-08-22$11.53$17.0068.6%19.7%85.0%70.3%68.4%18.8%-2.1%675.9K10.9M-593.1K2.086.59N/AN/A2,7565,736206,91380,914
2011-08-23$11.90$17.0062.0%17.8%85.8%59.7%63.1%18.1%0.8%768.3K6.9M-625.6K0.4612.26N/AN/A6,5512,983207,62980,750
2011-08-24$12.48$17.0062.2%17.8%89.1%60.0%56.8%17.4%-0.5%931.5K-2.3M-665.2K0.246.46N/AN/A2,521600209,87181,784
2011-08-25$11.79$17.0065.6%18.8%90.2%65.4%64.7%16.0%-2.0%754.0K5.3M-633.6K0.445.14N/AN/A2,6671,181208,88781,843
2011-08-26$12.32$17.0060.4%17.3%92.8%57.0%60.8%15.9%0.6%897.3K-595.3K-655.4K0.509.77N/AN/A2,0391,024210,11082,304
2011-08-29$13.07$17.0051.1%14.7%96.4%42.2%50.4%13.6%3.3%1.1M-11.8M-697.1K0.756.27N/AN/A3,7452,822210,88782,805
2011-08-30$13.38$17.0049.3%14.1%96.6%39.2%47.4%13.0%3.4%1.2M-18.3M-726.6K0.186.20N/AN/A8,9741,633212,62784,467
2011-08-31$13.71$17.0040.9%11.7%96.6%25.8%47.9%12.1%6.0%1.3M-24.1M-732.1K0.535.97N/AN/A6,5303,430211,09983,867