BSX Options History — March 2023

In March 2023, BSX traded between $46.30 and $50.05. ATM implied volatility averaged 22.3%, placing in the 13.7% IV rank vs the trailing year. The 30-day expected move averaged 6.1%. IV traded above realized volatility by 6.3% (HV 20d: 16.0%). Max pain ranged from $47.00 to $48.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 23 of 23 days. Put/call ratio averaged 1.09.

Notable Days

  • 2023-03-14: Highest Volume — 22,151 contracts
  • 2023-03-10: Largest IV spike — 35.8% change
  • 2023-03-10: Highest IV Rank — 52.7%
  • 2023-03-15: Largest Expected Move — 7.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$48.02$46.30$50.05$46.78$50.05
Max Pain$47.39$47.00$48.00$47.00$48.00
ATM IV22.3%17.1%33.0%20.7%17.1%
Expected Move6.1%4.9%7.2%5.9%4.9%
HV 20d16.0%12.2%18.9%18.9%17.1%
HV 60d16.7%15.9%17.1%16.8%17.0%
IV Rank13.7%0.0%52.7%4.4%0.0%
IV Percentile15.5%0.0%69.4%4.8%0.0%
Term Structure2.9%0.1%5.5%0.8%5.5%
VWIV21.2%18.0%25.2%20.3%18.0%
Skew 25d4.8%2.9%7.8%3.6%4.7%
Skew 10d11.2%5.7%17.1%12.0%10.4%
Call IV 25d18.8%14.0%22.0%20.2%14.0%
Put IV 25d23.6%18.6%28.5%23.8%18.6%
Bid-Ask Spread %27.5010.4359.1219.0622.68
Gamma HHI0.250.150.790.170.32
Net GEX8.2M673.2K37.1M4.0M11.0M
Net DEX-64.3M-141.9M-10.2M-30.7M-141.9M
Net VEX-710.9K-831.3K-639.8K-684.0K-819.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.090.064.360.061.20
Total Volume5,492.82654822,1511,4477,766
Total OI118,056.30478,965136,558126,492115,487

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2023-03-01$46.78$47.0020.7%5.9%18.9%4.4%20.3%3.6%0.8%4.0M-30.7M-684.0K0.0619.06N/AN/A1,3658257,52868,964
2023-03-02$47.39$47.0020.8%6.0%15.9%4.9%22.3%3.9%0.1%7.2M-50.5M-687.7K3.4710.43N/AN/A6802,35758,17768,997
2023-03-03$47.83$47.0018.6%5.3%15.9%0.0%19.2%3.7%0.9%9.3M-65.2M-676.3K0.6019.24N/AN/A4,1802,52658,23370,987
2023-03-06$47.66$47.0019.3%5.5%15.2%2.4%18.8%3.7%3.3%8.7M-58.6M-675.2K0.7632.74N/AN/A73455959,73473,489
2023-03-07$47.05$47.0022.0%5.9%13.8%12.4%19.5%3.8%2.7%4.9M-35.6M-672.1K0.3916.33N/AN/A88935161,31673,910
2023-03-08$46.97$47.0022.1%5.9%13.2%12.6%19.7%3.7%3.1%4.4M-32.6M-655.1K0.1629.76N/AN/A4717761,78673,995
2023-03-09$46.92$47.0024.3%6.2%12.2%20.8%22.9%3.6%2.9%4.2M-32.6M-658.0K2.8419.80N/AN/A17449462,08273,993
2023-03-10$46.30$47.0033.0%7.0%12.9%52.7%22.5%4.5%2.0%673.2K-10.2M-660.0K0.5417.14N/AN/A2,5011,35162,13974,390
2023-03-13$47.61$47.0029.8%6.6%16.4%40.9%23.3%5.5%2.3%9.0M-54.8M-663.2K4.3655.24N/AN/A3331,45161,81274,387
2023-03-14$48.08$47.0027.1%6.4%16.4%31.3%20.6%6.0%3.1%12.6M-70.1M-639.8K4.1359.12N/AN/A4,32217,82961,84774,711
2023-03-15$47.81$47.0025.1%7.2%16.4%23.9%24.8%7.3%1.7%9.9M-57.6M-656.2K0.1845.01N/AN/A4,37977862,48657,897
2023-03-16$48.36$47.0023.6%6.8%16.8%18.3%24.1%7.8%2.4%15.1M-85.0M-649.6K0.2846.96N/AN/A1,17233264,81558,400
2023-03-17$48.00$47.0023.2%6.7%16.1%17.0%25.2%6.3%1.9%37.1M-70.0M-646.3K0.5647.68N/AN/A7,8994,39764,98358,672
2023-03-20$48.73$47.0021.8%6.2%16.8%11.6%22.7%2.9%2.8%3.6M-60.2M-657.9K1.1022.67N/AN/A5,2375,74737,05441,911
2023-03-21$48.83$48.0020.5%5.9%16.3%7.0%21.3%6.3%3.3%4.0M-65.8M-694.0K0.2313.51N/AN/A9,9112,28440,83147,499
2023-03-22$48.45$48.0021.1%6.0%16.5%9.0%20.9%4.6%3.6%4.2M-68.6M-743.5K0.1626.35N/AN/A3,26552045,52848,857
2023-03-23$47.89$48.0022.4%6.4%16.9%13.8%21.9%5.2%3.4%3.8M-52.1M-778.2K1.5814.59N/AN/A2,1843,46047,59449,318
2023-03-24$48.20$48.0022.1%6.3%16.9%12.7%21.8%5.3%3.4%3.8M-60.4M-791.6K0.2625.03N/AN/A2,10554848,27852,564
2023-03-27$48.38$48.0020.8%6.0%16.8%7.9%19.7%4.5%4.3%5.2M-66.9M-779.0K0.3613.87N/AN/A10,0283,57149,44352,823
2023-03-28$48.44$48.0020.8%6.0%16.8%8.2%20.3%4.3%3.8%7.6M-81.0M-831.3K0.3423.99N/AN/A93431456,91055,028
2023-03-29$49.09$48.0019.4%5.6%17.3%2.8%18.6%4.5%4.0%8.5M-105.0M-814.3K0.2326.31N/AN/A3,34877857,07155,309
2023-03-30$49.59$48.0018.2%5.2%17.1%0.0%19.9%5.0%4.9%9.8M-122.7M-817.6K1.2925.04N/AN/A1,1601,49258,15155,909
2023-03-31$50.05$48.0017.1%4.9%17.1%0.0%18.0%4.7%5.5%11.0M-141.9M-819.5K1.2022.68N/AN/A3,5284,23858,35857,129