BX Options History — August 2017

In August 2017, BX traded between $31.25 and $33.85. ATM implied volatility averaged 18.2%, placing in the 15.5% IV rank vs the trailing year. The 30-day expected move averaged 5.2%. IV traded below realized volatility by 1.5% (HV 20d: 19.7%). Max pain ranged from $32.00 to $34.50. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 15 of 23 days. Put/call ratio averaged 0.94.

Notable Days

  • 2017-08-10: Highest Volume — 32,832 contracts
  • 2017-08-10: Largest IV spike — 14.2% change
  • 2017-08-11: Highest IV Rank — 25.7%
  • 2017-08-11: Largest Expected Move — 6.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$32.46$31.25$33.85$33.51$32.64
Max Pain$32.70$32.00$34.50$34.50$32.00
ATM IV18.2%14.8%20.4%16.0%18.8%
Expected Move5.2%4.4%6.0%4.5%4.9%
HV 20d19.7%14.5%22.5%14.5%22.0%
HV 60d19.5%16.5%23.5%21.5%17.3%
IV Rank15.5%0.0%25.7%3.9%18.3%
IV Percentile18.1%0.0%29.8%1.6%23.4%
Term Structure0.4%-0.5%1.8%-0.1%-0.4%
VWIV18.9%15.9%22.8%16.3%17.9%
Skew 25d2.7%1.8%3.6%1.9%2.7%
Skew 10d5.8%3.3%10.1%3.9%5.6%
Call IV 25d17.4%14.2%19.8%15.7%17.5%
Put IV 25d20.1%16.2%22.5%17.6%20.2%
Bid-Ask Spread %18.465.9890.029.3818.06
Gamma HHI0.110.090.140.140.09
Net GEX9.4M4.6M16.8M10.7M14.8M
Net DEX-215.3M-355.0M-103.5M-286.8M-282.6M
Net VEX-3.3M-3.4M-3.1M-3.2M-3.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.940.192.650.561.94
Total Volume20,41213,34332,83216,53622,331
Total OI546,607.652512,837565,671512,837565,671

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2017-08-01$33.51$34.5016.0%4.5%14.5%3.9%16.3%1.9%-0.1%10.7M-286.8M-3.2M0.569.38N/AN/A10,6095,927285,249227,588
2017-08-02$32.96$34.5016.8%4.8%15.6%7.4%17.6%2.5%-0.0%7.2M-216.5M-3.2M0.4318.58N/AN/A16,8687,324287,864228,710
2017-08-03$33.25$33.0016.3%4.9%15.8%5.0%17.2%1.9%0.4%10.2M-265.7M-3.3M1.248.77N/AN/A7,5939,399295,858231,159
2017-08-04$33.84$33.0014.8%4.4%16.8%0.0%15.9%2.0%0.0%16.8M-355.0M-3.1M0.517.44N/AN/A8,8644,479296,620235,163
2017-08-07$33.82$33.0015.3%4.6%16.4%2.3%16.8%1.8%0.6%12.7M-337.8M-3.2M0.905.98N/AN/A8,2697,470290,749232,423
2017-08-08$33.85$33.0015.7%4.7%16.4%4.5%16.6%2.3%0.6%13.3M-345.9M-3.2M0.239.29N/AN/A18,5974,295292,199235,129
2017-08-09$33.44$33.0017.4%5.2%16.7%11.9%17.7%2.5%0.8%11.0M-288.4M-3.4M0.198.32N/AN/A21,1474,109300,489235,961
2017-08-10$32.26$33.0019.9%6.0%20.8%23.1%20.2%3.1%0.9%6.3M-162.9M-3.4M0.3618.14N/AN/A24,0728,760311,660236,564
2017-08-11$31.93$33.0020.4%6.0%19.8%25.7%20.3%2.6%0.6%5.3M-126.9M-3.4M0.5314.03N/AN/A12,6696,763320,109238,255
2017-08-14$32.48$33.0018.4%5.4%21.0%16.6%19.3%2.2%-0.1%9.2M-206.9M-3.3M1.3112.54N/AN/A8,96711,713313,205235,663
2017-08-15$32.37$33.0018.7%5.4%21.0%17.6%21.4%2.5%-0.2%8.5M-196.7M-3.3M1.7120.48N/AN/A9,88316,939314,631240,729
2017-08-16$32.17$33.0018.2%5.2%20.6%15.7%17.3%2.3%0.7%7.8M-182.1M-3.3M0.5013.77N/AN/A12,8486,364316,825237,830
2017-08-17$31.59$33.0019.1%5.4%20.8%19.8%19.6%3.0%1.8%4.6M-122.6M-3.3M0.7614.81N/AN/A10,8368,221320,258237,866
2017-08-18$31.70$32.0019.0%5.4%20.9%19.0%19.0%2.9%0.6%5.7M-134.6M-3.3M0.3712.22N/AN/A14,5415,421324,944239,468
2017-08-21$31.25$32.0019.7%5.5%21.0%22.1%19.9%3.6%0.5%4.7M-103.5M-3.2M0.7223.11N/AN/A8,9326,414309,968228,439
2017-08-22$31.87$32.0019.1%5.5%22.5%19.5%20.1%2.8%-0.1%7.7M-177.0M-3.3M0.7147.04N/AN/A14,80210,457311,789231,244
2017-08-23$31.83$32.0020.1%5.6%22.5%23.9%19.9%3.5%-0.2%9.0M-185.3M-3.3M0.4914.50N/AN/A10,2745,077318,864235,686
2017-08-24$31.62$32.0019.2%5.5%21.2%20.1%19.1%2.9%0.6%8.7M-164.3M-3.3M1.2015.08N/AN/A6,8508,208321,460235,933
2017-08-25$31.67$32.0019.4%5.5%21.2%20.8%21.2%3.0%0.9%7.8M-166.4M-3.2M1.5314.88N/AN/A9,54214,574322,647239,137
2017-08-28$31.94$32.0019.4%5.1%21.5%20.8%18.7%3.6%-0.5%9.4M-188.8M-3.3M1.3613.01N/AN/A7,2659,914318,909242,119
2017-08-29$31.91$32.0019.1%5.0%21.5%19.8%22.8%3.6%0.3%9.6M-179.1M-3.2M2.6590.02N/AN/A5,46114,491319,748242,601
2017-08-30$32.57$32.0018.6%4.9%22.3%17.3%19.1%3.1%1.0%14.0M-275.1M-3.3M1.3015.06N/AN/A9,53412,403320,271244,322
2017-08-31$32.64$32.0018.8%4.9%22.0%18.3%17.9%2.7%-0.4%14.8M-282.6M-3.3M1.9418.06N/AN/A7,60514,726320,915244,756