BSX Options History — February 2026

In February 2026, BSX traded between $73.75 and $92.34. ATM implied volatility averaged 30.0%, placing in the 34.5% IV rank vs the trailing year. The 30-day expected move averaged 8.5%. IV traded below realized volatility by 31.1% (HV 20d: 61.1%). Max pain ranged from $80.00 to $92.00. Net GEX was positive for 12 of 19 trading days. Term structure was in contango for 12 of 19 days. Put/call ratio averaged 0.72.

Notable Days

  • 2026-02-05: Highest Volume — 96,816 contracts
  • 2026-02-05: Largest IV drop — 11.4% change
  • 2026-02-02: Highest IV Rank — 46.2%
  • 2026-02-03: Largest Expected Move — 10.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$77.11$73.75$92.34$92.34$76.47
Max Pain$86.50$80.00$92.00$92.00$80.00
ATM IV30.0%27.5%34.0%34.0%32.0%
Expected Move8.5%7.6%10.8%10.2%8.5%
HV 20d61.1%27.2%66.2%27.2%65.3%
HV 60d40.1%23.5%42.5%23.5%41.8%
IV Rank34.5%27.3%46.2%46.2%40.3%
IV Percentile76.8%65.9%93.7%93.7%90.1%
Term Structure1.0%-5.0%6.6%-1.1%5.3%
VWIV30.1%24.4%37.2%36.0%30.5%
Skew 25d1.3%-10.4%12.3%12.3%1.6%
Skew 10d5.3%-15.4%31.3%3.4%11.8%
Call IV 25d28.5%17.1%38.2%24.8%28.8%
Put IV 25d29.9%19.8%37.1%37.1%30.4%
Bid-Ask Spread %58.9034.0872.0758.0434.08
Gamma HHI0.120.100.170.110.11
Net GEX4.8M-11.7M20.8M19.7M16.1M
Net DEX242.9M-185.8M768.9M-185.8M5.2M
Net VEX-2.7M-3.9M-1.9M-3.6M-2.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.720.073.260.080.45
Total Volume33,352.8954,78996,81640,17727,343
Total OI427,034357,103484,492357,103379,039

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-02-02$92.34$92.0034.0%10.2%27.2%46.2%36.0%12.3%-1.1%19.7M-185.8M-3.6M0.0858.04N/AN/A37,1443,033223,531133,572
2026-02-03$91.31$92.0033.8%10.8%27.2%45.4%37.2%-5.0%-2.1%20.8M-179.0M-3.9M0.2855.30N/AN/A32,4398,983252,873135,452
2026-02-04$76.84$92.0034.0%9.7%65.1%45.9%33.5%3.1%-2.7%-11.7M768.9M-1.9M0.7071.86N/AN/A51,81636,110262,361140,153
2026-02-05$78.19$90.0030.1%8.4%65.6%34.6%31.4%-10.4%-5.0%-8.4M613.9M-2.4M0.3360.85N/AN/A72,62424,192293,859148,711
2026-02-06$76.15$90.0027.8%7.6%65.6%28.0%27.1%11.8%0.5%-2.1M608.5M-2.3M0.6872.07N/AN/A19,55413,229328,696152,042
2026-02-09$74.36$90.0027.5%8.1%65.7%27.3%29.9%2.1%0.5%-3.1M611.4M-2.2M2.9368.47N/AN/A14,83743,466321,975148,121
2026-02-10$74.24$87.5028.1%8.0%65.7%28.9%24.4%2.2%-0.5%-2.3M341.1M-2.3M0.1860.90N/AN/A25,8954,541324,512125,810
2026-02-11$73.75$85.0028.2%8.2%65.7%29.1%28.7%2.4%0.3%-1.8M321.0M-2.6M0.3969.82N/AN/A5,3262,088334,380124,626
2026-02-12$74.26$85.0029.9%8.5%65.9%34.2%29.7%-1.3%-0.4%-910.6K252.4M-2.6M3.2659.16N/AN/A10,04132,686336,747120,339
2026-02-13$74.83$85.0029.2%8.5%65.5%32.1%29.1%2.5%1.0%3.3M197.0M-2.8M0.1856.62N/AN/A15,8992,902343,594119,866
2026-02-17$76.31$85.0030.1%8.7%66.2%34.8%29.7%2.1%-0.2%8.4M144.7M-2.8M0.3359.17N/AN/A9,2963,099339,543119,362
2026-02-18$76.20$85.0028.7%8.2%64.6%30.6%28.2%1.7%1.6%8.8M144.4M-2.8M0.1864.74N/AN/A15,0262,683344,257121,589
2026-02-19$75.66$85.0028.6%8.1%64.4%30.2%28.3%2.7%1.0%6.9M156.7M-2.8M0.6159.69N/AN/A18,57311,247348,984123,605
2026-02-20$74.73$85.0027.8%7.8%64.4%28.1%27.9%2.4%1.8%2.6M215.8M-2.6M0.0765.20N/AN/A39,5072,659360,490124,002
2026-02-23$74.46$85.0030.5%8.7%64.0%36.0%29.1%-3.1%3.2%6.5M182.0M-2.7M0.4056.69N/AN/A3,4271,362245,904120,156
2026-02-24$75.29$85.0030.2%8.3%63.9%35.1%28.7%2.8%3.5%9.1M137.8M-2.7M0.2344.53N/AN/A11,1832,531247,476119,584
2026-02-25$73.97$85.0028.9%8.2%63.8%31.3%29.4%0.7%5.6%6.1M203.7M-2.6M0.9959.42N/AN/A2,5822,562254,775120,955
2026-02-26$75.67$80.0030.9%8.1%64.8%37.0%33.5%-5.0%6.6%13.0M75.1M-2.8M1.3442.55N/AN/A10,17913,641256,070116,635
2026-02-27$76.47$80.0032.0%8.5%65.3%40.3%30.5%1.6%5.3%16.1M5.2M-2.9M0.4534.08N/AN/A18,9228,421261,855117,184