BX Options History — February 2021

In February 2021, BX traded between $68.46 and $71.05. ATM implied volatility averaged 27.5%, placing in the 4.8% IV rank vs the trailing year. The 30-day expected move averaged 7.8%. IV traded above realized volatility by 4.5% (HV 20d: 23.0%). Max pain ranged from $60.00 to $65.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 11 of 19 days. Put/call ratio averaged 0.58.

Notable Days

  • 2021-02-04: Highest Volume — 76,171 contracts
  • 2021-02-02: Largest IV drop — 12.7% change
  • 2021-02-01: Highest IV Rank — 10.7%
  • 2021-02-25: Largest Expected Move — 8.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$70.04$68.46$71.05$69.50$69.80
Max Pain$64.47$60.00$65.00$65.00$65.00
ATM IV27.5%25.6%32.0%32.0%28.3%
Expected Move7.8%7.2%8.8%8.5%8.1%
HV 20d23.0%20.4%26.8%26.8%20.4%
HV 60d21.8%20.7%26.5%26.5%21.0%
IV Rank4.8%0.9%10.7%10.7%3.0%
IV Percentile10.7%0.4%38.1%38.1%19.0%
Term Structure0.2%-1.1%1.5%-1.1%-0.7%
VWIV27.4%24.3%30.9%29.4%28.3%
Skew 25d3.7%0.4%6.4%0.5%6.4%
Skew 10d8.6%-0.2%14.2%14.2%12.1%
Call IV 25d26.6%24.4%32.4%32.4%26.5%
Put IV 25d30.3%27.7%32.9%32.9%32.9%
Bid-Ask Spread %13.465.0036.8236.8219.63
Gamma HHI0.120.080.220.110.09
Net GEX11.1M5.5M20.4M11.9M6.9M
Net DEX-295.7M-457.9M-201.7M-387.3M-244.9M
Net VEX-1.7M-1.8M-1.3M-1.5M-1.8M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.580.021.720.510.68
Total Volume11,099.2633,61676,17117,4855,487
Total OI189,098.316179,942199,453187,349187,894

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2021-02-01$69.50$65.0032.0%8.5%26.8%10.7%29.4%0.5%-1.1%11.9M-387.3M-1.5M0.5136.82N/AN/A11,5465,93993,55793,792
2021-02-02$71.05$65.0027.9%7.4%24.1%6.4%25.9%2.9%-0.1%15.4M-457.9M-1.3M0.216.80N/AN/A10,9172,25297,12695,878
2021-02-03$69.76$65.0027.0%7.3%25.4%5.5%25.6%1.4%0.6%14.7M-404.2M-1.5M0.1512.46N/AN/A7,4671,139100,04297,079
2021-02-04$70.75$60.0026.2%7.6%24.7%4.5%24.3%2.2%0.0%20.4M-451.3M-1.4M0.0214.16N/AN/A74,7011,470101,83797,616
2021-02-05$70.69$62.5027.0%7.9%24.1%5.4%29.2%5.4%0.8%14.8M-295.2M-1.7M0.899.52N/AN/A6,7215,99984,88798,604
2021-02-08$70.27$62.5027.5%7.8%23.9%5.9%27.2%3.5%-0.3%10.2M-274.5M-1.7M0.3317.65N/AN/A5,3161,77883,13796,805
2021-02-09$70.96$65.0027.4%7.9%23.9%5.9%27.3%0.4%0.2%11.6M-295.1M-1.7M0.356.37N/AN/A6,8432,41085,34797,662
2021-02-10$70.75$65.0027.5%7.9%24.0%6.0%26.8%3.6%0.3%11.9M-294.9M-1.8M0.5111.36N/AN/A4,6092,34988,68198,777
2021-02-11$70.46$65.0027.5%7.9%22.9%5.9%26.6%5.0%-0.3%11.7M-287.1M-1.8M0.6411.22N/AN/A5,0063,18490,723100,238
2021-02-12$70.28$65.0027.3%7.7%22.2%5.8%26.7%3.6%-0.5%10.5M-281.5M-1.8M0.2018.81N/AN/A4,48188892,945101,323
2021-02-16$70.26$65.0026.8%7.7%22.0%5.2%30.9%4.5%1.3%12.2M-281.6M-1.7M0.6712.27N/AN/A5,2463,50890,14299,119
2021-02-17$69.81$65.0026.5%7.6%21.9%4.9%28.4%4.3%0.7%10.3M-259.2M-1.7M1.727.60N/AN/A1,7703,04392,217101,707
2021-02-18$69.69$65.0026.0%7.4%21.7%4.4%26.2%3.7%1.3%10.2M-247.3M-1.8M0.6513.26N/AN/A2,3861,55592,552103,063
2021-02-19$69.78$65.0025.6%7.2%21.7%0.9%25.7%3.9%1.3%12.0M-246.1M-1.8M0.956.56N/AN/A2,8842,75093,135103,222
2021-02-22$69.42$65.0027.4%7.5%21.6%2.0%26.2%4.3%-0.5%6.4M-232.1M-1.8M0.345.00N/AN/A3,2891,13184,96095,429
2021-02-23$69.26$65.0027.6%7.6%21.5%2.2%26.8%5.0%1.5%6.5M-226.6M-1.7M0.6323.36N/AN/A3,1041,94886,25796,212
2021-02-24$69.82$65.0027.5%7.6%21.5%2.2%27.8%3.8%0.1%7.6M-250.0M-1.7M0.5010.01N/AN/A2,4181,19887,65696,868
2021-02-25$68.46$65.0029.6%8.8%22.9%4.5%30.7%5.4%-0.5%5.5M-201.7M-1.8M1.1312.80N/AN/A1,9532,20188,83597,544
2021-02-26$69.80$65.0028.3%8.1%20.4%3.0%28.3%6.4%-0.7%6.9M-244.9M-1.8M0.6819.63N/AN/A3,2712,21689,47198,423