BSX Options History — July 2020

In July 2020, BSX traded between $34.42 and $39.84. ATM implied volatility averaged 35.3%, placing in the 19.0% IV rank vs the trailing year. The 30-day expected move averaged 10.0%. IV traded below realized volatility by 1.6% (HV 20d: 36.9%). Max pain ranged from $35.50 to $37.00. Net GEX was positive for 17 of 22 trading days. Term structure was in contango for 4 of 22 days. Put/call ratio averaged 1.24.

Notable Days

  • 2020-07-15: Highest Volume — 18,460 contracts
  • 2020-07-29: Largest IV drop — 10.5% change
  • 2020-07-13: Highest IV Rank — 22.3%
  • 2020-07-13: Largest Expected Move — 11.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$36.77$34.42$39.84$35.38$38.55
Max Pain$36.27$35.50$37.00$35.50$37.00
ATM IV35.3%28.9%38.2%38.2%30.9%
Expected Move10.0%8.2%11.0%10.1%8.9%
HV 20d36.9%27.8%46.4%46.4%32.3%
HV 60d43.5%39.9%49.0%49.0%40.4%
IV Rank19.0%11.8%22.3%22.3%14.0%
IV Percentile70.1%51.2%78.2%78.2%54.0%
Term Structure-0.5%-1.9%0.7%-0.4%0.2%
VWIV35.2%30.2%40.9%36.8%31.2%
Skew 25d6.0%4.9%7.2%6.3%6.2%
Skew 10d13.3%10.0%15.8%13.5%15.4%
Call IV 25d33.0%26.7%36.2%35.7%29.1%
Put IV 25d39.0%32.1%42.7%42.1%35.3%
Bid-Ask Spread %5.924.399.826.826.01
Gamma HHI0.140.110.220.110.17
Net GEX1.7M-1.1M4.7M2.0M1.9M
Net DEX3.9M-97.0M90.1M39.3M-32.9M
Net VEX-969.8K-1.0M-915.4K-1.0M-926.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.240.093.880.500.90
Total Volume7,157.3182,25818,4602,6333,606
Total OI197,868.364181,057214,176203,368196,201

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2020-07-01$35.38$35.5038.2%10.1%46.4%22.3%36.8%6.3%-0.4%2.0M39.3M-1.0M0.506.82N/AN/A1,75587891,958111,410
2020-07-02$35.49$35.5035.8%9.2%46.2%19.5%32.6%5.0%-0.6%718.9K36.1M-1.0M2.168.46N/AN/A2,4975,39292,386112,179
2020-07-06$35.46$36.0035.6%10.2%43.3%19.4%38.2%5.3%-0.1%572.8K42.3M-984.9K3.887.40N/AN/A2,72510,58288,258109,810
2020-07-07$34.67$36.0037.2%10.3%43.6%21.1%38.3%5.3%-0.9%-392.8K70.8M-952.7K2.984.78N/AN/A7902,35588,652108,960
2020-07-08$34.42$36.0036.8%10.6%43.4%20.7%33.6%6.8%-0.4%-864.9K86.2M-930.3K1.805.85N/AN/A2,5044,50688,839110,177
2020-07-09$34.47$36.0038.0%10.7%43.3%22.0%37.0%6.0%-0.5%-1.0M90.1M-944.9K1.724.76N/AN/A2,0543,52990,201113,756
2020-07-10$34.58$36.0037.4%10.2%33.9%21.3%37.4%6.3%-0.1%-869.3K82.0M-970.3K0.274.70N/AN/A1,95052991,620115,295
2020-07-13$34.45$36.0038.2%11.0%33.8%22.3%37.0%5.3%0.7%-1.1M86.1M-938.7K1.016.06N/AN/A3,2313,25591,087114,739
2020-07-14$35.09$36.0038.0%10.7%34.1%22.0%36.0%7.2%-0.9%536.3K63.0M-966.4K0.394.67N/AN/A2,6721,02992,865117,013
2020-07-15$36.72$36.0037.5%10.2%36.8%21.5%35.7%7.2%-1.9%3.1M-13.3M-1.0M0.714.80N/AN/A10,8007,66094,007117,518
2020-07-16$36.35$36.0037.6%10.6%36.9%21.6%38.7%6.4%-1.0%3.2M609.5K-989.0K0.706.08N/AN/A2,5951,80695,791118,183
2020-07-17$37.86$36.0035.9%10.0%39.6%19.6%34.1%6.5%-1.2%3.6M-69.0M-998.1K0.099.21N/AN/A7,63369695,720118,456
2020-07-20$37.16$36.0034.8%9.9%40.2%18.5%33.5%6.1%0.1%1.1M1.7M-974.1K0.886.52N/AN/A2,4052,10674,297106,760
2020-07-21$37.51$36.0035.5%10.1%39.0%19.3%40.9%6.2%-0.4%1.5M-9.5M-991.0K3.114.73N/AN/A3,84711,98275,360107,747
2020-07-22$38.51$36.0034.7%9.9%39.8%18.3%34.5%5.7%-0.9%2.9M-52.7M-991.0K0.615.14N/AN/A4,3642,64379,238107,936
2020-07-23$38.34$37.0034.7%10.0%30.1%18.3%33.8%5.8%-0.3%2.9M-48.5M-992.9K0.485.26N/AN/A3,9391,91081,171110,016
2020-07-24$38.58$37.0034.8%10.1%29.9%18.4%34.8%6.3%-1.1%3.1M-52.7M-990.9K0.405.19N/AN/A3,0061,20979,591110,046
2020-07-27$38.42$37.0033.9%9.9%29.1%17.4%33.6%5.2%-0.6%2.7M-42.6M-941.4K0.354.52N/AN/A1,66859076,528108,548
2020-07-28$38.28$37.0032.3%9.4%27.8%15.6%34.4%4.9%-0.2%3.1M-38.7M-917.3K1.505.06N/AN/A3,7735,65877,963107,972
2020-07-29$39.84$37.0028.9%8.2%30.1%11.8%30.2%5.4%-1.0%4.7M-97.0M-915.4K2.249.82N/AN/A5,17511,60579,218111,867
2020-07-30$38.91$37.0030.6%8.9%31.9%13.7%32.2%5.5%0.2%4.6M-55.2M-928.8K0.544.39N/AN/A2,9521,60079,468114,297
2020-07-31$38.55$37.0030.9%8.9%32.3%14.0%31.2%6.2%0.2%1.9M-32.9M-926.5K0.906.01N/AN/A1,9011,70580,277115,924