BX Options History — August 2021

In August 2021, BX traded between $110.35 and $125.67. ATM implied volatility averaged 24.0%, placing in the 19.8% IV rank vs the trailing year. The 30-day expected move averaged 6.8%. IV traded below realized volatility by 1.2% (HV 20d: 25.3%). Max pain ranged from $105.00 to $110.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 16 of 22 days. Put/call ratio averaged 0.57.

Notable Days

  • 2021-08-27: Highest Volume — 38,573 contracts
  • 2021-08-27: Largest IV drop — 9.0% change
  • 2021-08-19: Highest IV Rank — 30.0%
  • 2021-08-19: Largest Expected Move — 7.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$116.47$110.35$125.67$115.48$125.67
Max Pain$107.95$105.00$110.00$110.00$110.00
ATM IV24.0%22.2%25.9%25.5%23.5%
Expected Move6.8%6.5%7.4%7.0%6.6%
HV 20d25.3%17.1%31.6%30.8%21.2%
HV 60d22.6%21.3%24.5%24.5%23.2%
IV Rank19.8%10.3%30.0%27.6%16.9%
IV Percentile16.0%4.4%32.5%23.0%12.7%
Term Structure0.2%-0.9%0.9%-0.3%0.1%
VWIV25.2%23.8%27.2%25.2%24.3%
Skew 25d2.9%1.4%4.3%2.2%3.0%
Skew 10d7.6%4.5%10.7%5.7%5.2%
Call IV 25d23.6%21.4%26.9%25.5%22.7%
Put IV 25d26.6%24.2%29.9%27.7%25.7%
Bid-Ask Spread %21.845.1760.0719.0532.53
Gamma HHI0.100.070.190.090.10
Net GEX11.7M1.8M27.0M5.2M23.6M
Net DEX-644.7M-1.04B-385.9M-583.6M-995.1M
Net VEX-2.2M-2.3M-2.1M-2.1M-2.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.570.260.810.720.48
Total Volume14,518.55,62338,57312,13614,801
Total OI213,901.909193,922234,288193,922234,288

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-08-02$115.48$110.0025.5%7.0%30.8%27.6%25.2%2.2%-0.3%5.2M-583.6M-2.1M0.7219.05N/AN/A7,0585,07885,933107,989
2021-08-03$115.05$110.0025.2%6.9%30.9%25.8%24.6%2.3%-0.0%3.1M-569.7M-2.1M0.807.94N/AN/A4,9323,93887,577110,217
2021-08-04$116.67$110.0024.3%6.6%30.8%21.0%24.1%3.0%0.2%10.3M-621.0M-2.1M0.8127.63N/AN/A8,3936,78389,959113,673
2021-08-05$115.92$105.0023.8%7.1%30.6%18.9%26.7%2.6%0.4%8.9M-603.9M-2.1M0.7717.14N/AN/A5,5884,29191,512116,294
2021-08-06$114.22$105.0023.0%6.7%31.6%14.4%26.9%3.2%0.0%1.8M-519.5M-2.2M0.6127.68N/AN/A13,6518,32594,734119,582
2021-08-09$114.19$105.0023.3%6.8%31.3%16.1%25.1%3.4%0.4%6.0M-525.0M-2.2M0.3847.56N/AN/A5,0111,89590,555111,029
2021-08-10$113.97$105.0023.1%6.8%30.4%15.0%25.5%2.5%0.7%7.3M-530.6M-2.2M0.7960.07N/AN/A4,3413,43797,112113,916
2021-08-11$114.25$105.0022.7%6.7%29.7%13.0%27.2%2.5%0.6%7.4M-529.1M-2.3M0.6436.95N/AN/A4,1522,64398,756114,907
2021-08-12$113.56$105.0022.3%6.6%27.8%10.6%24.2%2.6%0.9%6.3M-509.1M-2.3M0.4815.34N/AN/A3,7911,832100,791116,705
2021-08-13$114.92$105.0022.2%6.5%27.7%10.3%24.3%2.8%0.7%16.8M-585.3M-2.2M0.7714.17N/AN/A6,0074,611102,161117,030
2021-08-16$114.74$105.0023.3%6.8%25.4%16.2%24.3%3.3%-0.1%11.3M-588.1M-2.1M0.6821.91N/AN/A4,2052,87698,551112,628
2021-08-17$112.67$105.0023.9%6.8%22.1%19.0%25.8%4.1%0.7%6.9M-489.2M-2.2M0.617.87N/AN/A4,1322,536100,353115,020
2021-08-18$112.24$110.0024.9%7.1%21.8%24.5%25.2%3.7%-0.8%5.2M-468.1M-2.2M0.445.56N/AN/A4,1531,837101,668116,644
2021-08-19$110.35$110.0025.9%7.4%17.1%30.0%26.5%3.9%-0.0%2.1M-385.9M-2.2M0.5011.37N/AN/A6,1783,064103,080117,440
2021-08-20$113.42$110.0023.8%6.8%19.5%18.7%25.1%4.3%0.7%9.1M-539.9M-2.2M0.3723.78N/AN/A10,0873,764104,557117,876
2021-08-23$115.85$110.0024.1%6.8%20.2%20.2%24.1%3.3%0.2%14.7M-612.6M-2.2M0.265.17N/AN/A13,7953,62497,140104,891
2021-08-24$118.08$110.0025.2%7.1%21.1%25.8%25.5%3.1%0.1%18.1M-719.9M-2.3M0.5733.43N/AN/A10,1355,760100,982106,257
2021-08-25$119.90$110.0025.1%6.9%21.6%25.6%25.0%2.5%-0.9%27.0M-847.2M-2.1M0.329.93N/AN/A16,2155,172108,321108,299
2021-08-26$122.02$110.0025.9%7.4%21.4%29.5%26.4%3.0%0.7%23.7M-931.4M-2.2M0.5431.04N/AN/A23,17212,525110,342111,472
2021-08-27$124.25$110.0023.5%6.6%21.4%17.3%24.2%1.9%0.8%23.0M-1.04B-2.1M0.5310.83N/AN/A25,17913,394114,315114,195
2021-08-30$124.89$110.0024.0%6.6%21.4%19.9%23.8%1.4%0.3%20.3M-989.5M-2.1M0.3613.65N/AN/A19,8707,176111,225115,866
2021-08-31$125.67$110.0023.5%6.6%21.2%16.9%24.3%3.0%0.1%23.6M-995.1M-2.3M0.4832.53N/AN/A9,9854,816115,562118,726