BSX Options History — August 2019

In August 2019, BSX traded between $41.33 and $43.35. ATM implied volatility averaged 24.5%, placing in the 16.8% IV rank vs the trailing year. The 30-day expected move averaged 7.0%. IV traded above realized volatility by 3.6% (HV 20d: 20.9%). Max pain ranged from $38.00 to $43.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 13 of 22 days. Put/call ratio averaged 0.62.

Notable Days

  • 2019-08-20: Highest Volume — 17,594 contracts
  • 2019-08-05: Largest IV spike — 14.2% change
  • 2019-08-05: Highest IV Rank — 30.1%
  • 2019-08-05: Largest Expected Move — 8.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$42.38$41.33$43.35$42.61$42.64
Max Pain$41.77$38.00$43.00$38.00$42.00
ATM IV24.5%22.0%27.8%23.4%23.0%
Expected Move7.0%6.3%8.0%6.8%6.5%
HV 20d20.9%13.1%25.7%13.1%25.7%
HV 60d17.6%15.5%19.3%15.5%18.1%
IV Rank16.8%6.4%30.1%17.4%9.7%
IV Percentile31.3%6.7%60.7%19.8%12.3%
Term Structure0.1%-0.6%0.7%-0.2%0.2%
VWIV24.8%22.0%27.7%23.8%22.6%
Skew 25d4.0%2.8%4.9%3.2%3.6%
Skew 10d7.5%3.2%10.4%6.6%7.6%
Call IV 25d22.9%20.7%26.1%22.4%21.3%
Put IV 25d26.9%24.8%30.4%25.6%24.9%
Bid-Ask Spread %10.576.8915.486.899.30
Gamma HHI0.180.140.280.170.16
Net GEX7.8M3.5M11.4M9.8M6.3M
Net DEX-115.2M-190.0M-49.3M-160.8M-83.1M
Net VEX-581.1K-627.3K-543.2K-613.7K-602.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.620.042.390.470.40
Total Volume3,473.40990817,5946,8413,293
Total OI106,664.59177,319124,263118,13094,903

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-08-01$42.61$38.0023.4%6.8%13.1%17.4%23.8%3.2%-0.2%9.8M-160.8M-613.7K0.476.89N/AN/A4,6392,20283,88534,245
2019-08-02$42.68$38.0024.4%7.0%13.1%20.1%24.2%4.3%0.2%9.8M-164.8M-627.3K1.299.71N/AN/A9851,27085,65935,599
2019-08-05$41.47$43.0027.8%8.0%16.7%30.1%27.1%4.3%-0.3%7.9M-115.8M-618.4K1.2110.41N/AN/A80998084,73035,327
2019-08-06$42.17$43.0025.8%7.3%17.5%24.3%26.1%4.9%-0.6%9.4M-141.9M-607.4K0.9311.56N/AN/A1,01894785,65135,412
2019-08-07$42.33$43.0025.7%7.5%17.6%23.9%26.1%4.7%-0.5%9.5M-145.8M-606.8K2.3910.11N/AN/A8081,92986,02235,893
2019-08-08$42.78$42.0023.7%6.8%17.9%18.1%24.4%2.8%0.4%10.4M-166.1M-606.9K0.7915.48N/AN/A1,00880186,24237,323
2019-08-09$43.35$42.0023.0%7.0%16.9%16.2%25.1%3.2%0.7%11.4M-190.0M-604.1K0.8111.82N/AN/A1,3191,06286,52337,272
2019-08-12$42.35$42.0025.1%7.4%19.0%22.1%26.2%4.8%0.7%10.2M-146.1M-577.8K0.297.32N/AN/A1,35438785,88837,003
2019-08-13$42.89$42.0023.9%6.9%18.9%16.9%24.1%4.0%0.2%11.3M-170.0M-568.0K0.6914.68N/AN/A1,24286185,89637,243
2019-08-14$41.55$42.0027.1%7.6%22.0%26.3%27.7%4.4%-0.6%8.6M-118.0M-560.6K0.4210.61N/AN/A1,28354286,53337,722
2019-08-15$41.97$42.0025.9%7.4%22.2%18.8%26.6%4.4%0.1%7.6M-133.2M-549.4K0.439.94N/AN/A96441586,29637,645
2019-08-16$42.17$42.0024.4%7.0%22.2%13.8%25.1%3.9%-0.0%7.4M-139.2M-543.4K0.2513.90N/AN/A1,97650186,49137,772
2019-08-19$42.83$42.0022.0%6.3%22.9%6.4%22.0%4.1%0.5%4.9M-75.9M-543.2K0.2012.31N/AN/A2,80156453,46323,856
2019-08-20$42.64$42.0023.1%6.7%22.8%10.0%22.3%2.8%-0.2%5.0M-75.2M-556.5K0.0412.67N/AN/A16,85274255,71924,375
2019-08-21$42.49$42.0022.6%6.5%22.8%8.3%23.3%3.6%0.1%7.3M-77.6M-571.4K0.3911.64N/AN/A2,8221,11262,65824,782
2019-08-22$42.68$42.0023.3%6.7%22.2%10.4%24.2%3.6%0.1%9.0M-84.3M-575.1K0.339.70N/AN/A2,62587463,78125,505
2019-08-23$41.33$42.0025.9%7.4%25.0%18.6%25.6%4.5%-0.1%3.5M-49.3M-547.3K0.898.30N/AN/A2,5232,24964,21825,883
2019-08-26$41.74$42.0026.1%7.5%25.3%19.3%27.5%4.6%-0.0%4.5M-60.0M-563.3K0.739.22N/AN/A52438462,31426,161
2019-08-27$42.20$42.0025.1%7.2%25.2%16.2%25.5%4.1%0.5%5.3M-70.1M-575.5K0.167.90N/AN/A2,48338862,51726,494
2019-08-28$42.49$42.0024.6%7.0%25.3%14.5%23.9%3.8%0.1%6.0M-77.4M-585.0K0.249.38N/AN/A1,57537863,61026,778
2019-08-29$42.91$42.0022.6%6.4%25.6%8.2%23.2%4.0%0.2%7.4M-88.9M-580.1K0.239.77N/AN/A3,99493064,34926,983
2019-08-30$42.64$42.0023.0%6.5%25.7%9.7%22.6%3.6%0.2%6.3M-83.1M-602.4K0.409.30N/AN/A2,35394067,17727,726