BX Options History — May 2019

In May 2019, BX traded between $37.81 and $41.81. ATM implied volatility averaged 22.1%, placing in the 24.1% IV rank vs the trailing year. The 30-day expected move averaged 6.3%. IV traded below realized volatility by 5.0% (HV 20d: 27.1%). Max pain ranged from $36.00 to $38.50. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 10 of 22 days. Put/call ratio averaged 0.97.

Notable Days

  • 2019-05-29: Highest Volume — 34,424 contracts
  • 2019-05-21: Largest IV drop — 11.9% change
  • 2019-05-31: Highest IV Rank — 36.1%
  • 2019-05-31: Largest Expected Move — 7.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$39.84$37.81$41.81$39.81$37.81
Max Pain$37.16$36.00$38.50$38.50$37.00
ATM IV22.1%19.1%25.8%20.0%25.8%
Expected Move6.3%5.5%7.4%5.8%7.4%
HV 20d27.1%18.5%32.7%31.1%24.7%
HV 60d24.5%23.8%26.5%24.6%26.5%
IV Rank24.1%14.5%36.1%17.2%36.1%
IV Percentile45.1%19.8%69.0%30.2%69.0%
Term Structure-0.0%-1.2%1.9%-0.0%-0.2%
VWIV22.3%19.7%26.0%20.5%24.9%
Skew 25d3.5%2.6%4.7%2.8%4.7%
Skew 10d7.7%5.8%10.9%5.8%10.9%
Call IV 25d20.8%18.0%24.5%19.3%24.5%
Put IV 25d24.3%21.0%29.2%22.1%29.2%
Bid-Ask Spread %16.265.2340.8813.986.35
Gamma HHI0.200.130.230.200.15
Net GEX16.7M6.7M20.6M20.4M6.7M
Net DEX-480.2M-645.5M-217.6M-516.2M-217.6M
Net VEX-3.2M-3.4M-2.9M-3.2M-3.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.970.282.140.631.46
Total Volume14,713.3645,25434,4248,00425,395
Total OI410,775.045394,359429,143397,635429,143

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-05-01$39.81$38.5020.0%5.8%31.1%17.2%20.5%2.8%-0.0%20.4M-516.2M-3.2M0.6313.98N/AN/A4,9143,090258,435139,200
2019-05-02$39.55$38.5020.1%5.9%31.4%17.5%21.0%3.1%0.1%18.7M-490.2M-3.2M0.7610.96N/AN/A4,9773,805258,898139,705
2019-05-03$39.86$38.5019.6%5.5%31.3%15.8%19.7%2.9%0.3%20.0M-527.1M-3.2M1.507.48N/AN/A5,3548,032259,771140,717
2019-05-06$39.18$36.0021.3%6.1%32.3%21.6%21.2%2.6%0.1%18.1M-468.6M-3.2M1.1912.24N/AN/A4,6465,527253,234141,125
2019-05-07$38.82$37.0023.5%6.7%32.7%28.7%23.2%4.0%-0.3%16.0M-423.9M-3.4M0.4210.93N/AN/A13,0795,487256,613146,107
2019-05-08$39.14$37.0024.0%6.7%32.1%30.1%22.7%3.3%-1.2%16.5M-447.5M-3.3M1.2715.38N/AN/A5,5617,056253,803149,153
2019-05-09$39.42$37.0023.9%6.9%32.1%29.8%24.4%3.8%-0.1%16.4M-455.5M-3.2M0.9514.65N/AN/A6,4776,148252,130152,274
2019-05-10$39.64$37.0023.3%6.4%32.1%27.8%23.1%3.1%0.4%17.5M-469.4M-3.2M1.4219.17N/AN/A3,3534,768250,708153,130
2019-05-13$38.89$37.0025.4%7.1%32.7%34.9%26.0%4.2%-0.5%15.6M-406.1M-3.2M0.5337.43N/AN/A8,7204,596246,703150,652
2019-05-14$39.33$37.0022.9%6.6%32.6%26.8%24.2%4.3%0.1%16.8M-432.0M-3.2M0.9028.81N/AN/A7,6886,956249,680159,530
2019-05-15$39.56$37.0021.7%5.9%32.4%22.6%20.7%3.5%-0.8%18.0M-456.3M-3.2M0.4813.58N/AN/A3,5501,704251,489162,994
2019-05-16$40.41$37.0019.6%5.7%32.7%16.0%19.7%3.4%0.4%20.6M-544.7M-3.2M0.9311.83N/AN/A5,7865,355252,461164,726
2019-05-17$40.76$37.0021.2%6.0%18.7%21.0%21.5%3.0%-0.5%18.6M-576.9M-3.1M0.795.23N/AN/A9,3777,438253,598167,742
2019-05-20$40.66$37.0021.7%6.1%18.5%22.9%21.6%3.7%1.9%17.7M-543.0M-3.1M0.4432.86N/AN/A4,8172,129248,077159,466
2019-05-21$41.81$37.0019.1%5.5%20.3%14.5%19.9%3.0%0.1%19.6M-645.5M-3.0M0.3322.90N/AN/A14,9344,896247,223160,714
2019-05-22$41.66$37.0019.9%5.7%20.2%16.9%20.3%2.9%0.2%20.3M-639.0M-3.0M0.288.34N/AN/A13,1183,607251,338162,740
2019-05-23$41.00$37.0021.7%6.2%21.1%22.9%23.6%3.5%-0.5%19.1M-574.3M-2.9M2.0540.88N/AN/A8,43217,275255,362163,421
2019-05-24$40.74$37.0021.5%6.1%21.3%22.0%23.0%3.9%0.4%15.6M-538.3M-3.1M1.6214.37N/AN/A6,19210,013255,621168,521
2019-05-28$40.00$37.0022.2%6.4%22.3%24.4%22.2%4.0%-0.5%13.0M-452.9M-3.1M0.719.81N/AN/A6,5744,657252,530165,788
2019-05-29$39.18$37.0024.4%6.9%21.9%31.4%23.1%4.1%-0.1%11.2M-366.1M-3.2M2.1412.47N/AN/A10,96323,461256,949167,126
2019-05-30$39.15$37.0023.9%6.8%21.6%29.9%23.3%4.0%-0.3%10.9M-373.0M-3.0M0.638.04N/AN/A8,4345,353256,248172,206
2019-05-31$37.81$37.0025.8%7.4%24.7%36.1%24.9%4.7%-0.2%6.7M-217.6M-3.1M1.466.35N/AN/A10,31715,078256,441172,702