BX Options History — February 2019

In February 2019, BX traded between $33.31 and $34.66. ATM implied volatility averaged 20.9%, placing in the 14.8% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 1.4% (HV 20d: 19.5%). Max pain ranged from $34.00 to $35.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 9 of 19 days. Put/call ratio averaged 1.68.

Notable Days

  • 2019-02-07: Highest Volume — 35,840 contracts
  • 2019-02-14: Largest IV spike — 13.7% change
  • 2019-02-11: Highest IV Rank — 19.8%
  • 2019-02-11: Largest Expected Move — 6.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$33.85$33.31$34.66$34.06$33.56
Max Pain$34.05$34.00$35.00$34.00$34.00
ATM IV20.9%19.3%22.4%21.6%20.4%
Expected Move6.0%5.5%6.5%6.2%5.9%
HV 20d19.5%15.8%21.1%20.9%20.5%
HV 60d31.9%29.7%33.9%33.9%29.7%
IV Rank14.8%9.0%19.8%17.1%13.0%
IV Percentile32.8%23.0%41.7%35.3%29.8%
Term Structure0.1%-1.1%1.2%0.4%0.2%
VWIV22.1%20.0%34.6%21.9%20.0%
Skew 25d3.7%3.0%4.7%4.3%3.3%
Skew 10d7.8%5.9%10.8%8.0%6.5%
Call IV 25d19.8%18.1%21.2%20.2%19.2%
Put IV 25d23.6%22.4%25.2%24.4%22.5%
Bid-Ask Spread %15.635.9827.1625.825.98
Gamma HHI0.130.110.250.250.13
Net GEX8.6M2.9M18.3M18.3M4.7M
Net DEX-153.4M-200.5M-109.4M-179.9M-133.5M
Net VEX-2.4M-2.5M-2.3M-2.4M-2.4M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.680.155.720.832.39
Total Volume16,348.3686,18635,84024,88620,072
Total OI330,617313,428345,803331,931341,764

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-02-01$34.06$34.0021.6%6.2%20.9%17.1%21.9%4.3%0.4%18.3M-179.9M-2.4M0.8325.82N/AN/A13,58911,297199,297132,634
2019-02-04$34.20$34.0021.0%6.0%19.7%15.1%21.2%4.2%-0.0%11.0M-172.5M-2.4M0.3617.81N/AN/A7,0142,554196,172127,485
2019-02-05$34.66$34.0019.6%5.6%16.8%10.2%20.8%4.1%-0.1%12.7M-200.5M-2.4M0.5713.47N/AN/A6,0593,436199,975128,437
2019-02-06$34.64$34.0019.4%5.6%16.7%9.7%21.8%4.3%-0.0%13.7M-200.1M-2.4M0.3321.20N/AN/A8,3962,761202,778129,943
2019-02-07$34.53$34.0020.7%5.9%15.8%14.0%34.6%3.5%-0.2%12.8M-189.2M-2.5M0.1516.28N/AN/A31,1494,691205,475130,822
2019-02-08$33.55$35.0021.7%6.1%19.1%17.4%23.3%3.7%-0.6%4.8M-120.5M-2.5M0.5921.60N/AN/A12,6487,480194,962132,988
2019-02-11$33.35$34.0022.4%6.5%19.3%19.8%22.4%4.7%-1.1%7.0M-118.2M-2.3M0.4827.16N/AN/A4,2522,020191,201122,227
2019-02-12$33.76$34.0019.8%5.7%19.6%11.1%20.5%3.3%0.5%9.4M-148.1M-2.4M0.5026.47N/AN/A5,0992,538193,101123,108
2019-02-13$33.75$34.0019.3%5.5%19.3%9.0%21.5%3.6%1.2%9.6M-150.8M-2.4M0.468.32N/AN/A4,4542,034195,587123,982
2019-02-14$33.31$34.0021.9%6.3%19.9%18.2%21.3%4.5%-0.8%6.9M-124.9M-2.3M4.838.48N/AN/A2,81113,582196,967123,391
2019-02-15$33.38$34.0021.3%6.1%19.9%16.1%20.7%3.8%-0.1%2.9M-109.4M-2.4M0.9510.82N/AN/A5,0884,818197,569134,262
2019-02-19$33.41$34.0021.2%5.9%19.5%15.7%21.1%3.5%0.2%3.4M-117.3M-2.3M4.8919.80N/AN/A5,83728,518193,585128,104
2019-02-20$34.34$34.0020.6%5.9%20.2%13.6%21.1%3.5%0.6%9.6M-191.2M-2.3M1.5911.50N/AN/A8,00712,740197,184135,811
2019-02-21$33.95$34.0021.6%6.1%20.7%17.0%21.8%3.0%0.7%8.6M-169.3M-2.4M2.1924.25N/AN/A5,45311,943201,651134,697
2019-02-22$33.60$34.0021.7%6.2%21.1%17.4%23.1%3.5%-0.2%5.8M-149.0M-2.4M2.348.93N/AN/A6,94516,229203,445135,086
2019-02-25$33.94$34.0021.1%6.1%20.2%15.6%21.4%3.9%0.6%9.0M-172.4M-2.4M1.3111.48N/AN/A3,8445,044203,466134,276
2019-02-26$33.69$34.0021.3%6.0%20.4%16.2%20.7%3.1%-0.1%7.3M-144.2M-2.4M1.529.46N/AN/A2,4513,735205,875138,613
2019-02-27$33.45$34.0020.9%5.8%20.6%14.8%20.1%3.3%0.1%5.5M-124.1M-2.4M5.728.13N/AN/A3,27918,752206,662139,141
2019-02-28$33.56$34.0020.4%5.9%20.5%13.0%20.0%3.3%0.2%4.7M-133.5M-2.4M2.395.98N/AN/A5,92314,149207,827133,937