BSX Options History — December 2020

In December 2020, BSX traded between $33.44 and $35.86. ATM implied volatility averaged 31.1%, placing in the 13.7% IV rank vs the trailing year. The 30-day expected move averaged 9.0%. IV traded above realized volatility by 0.2% (HV 20d: 30.9%). Max pain ranged from $36.00 to $37.00. Net GEX was positive for 14 of 22 trading days. Term structure was in contango for 13 of 22 days. Put/call ratio averaged 0.38.

Notable Days

  • 2020-12-07: Highest Volume — 33,991 contracts
  • 2020-12-09: Largest IV spike — 5.5% change
  • 2020-12-10: Highest IV Rank — 16.0%
  • 2020-12-07: Largest Expected Move — 9.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$34.54$33.44$35.86$33.66$35.86
Max Pain$36.05$36.00$37.00$36.00$36.00
ATM IV31.1%29.7%32.7%30.4%32.0%
Expected Move9.0%8.4%9.7%9.3%9.1%
HV 20d30.9%19.0%48.4%48.4%19.0%
HV 60d35.4%34.9%35.8%35.7%35.3%
IV Rank13.7%11.0%16.0%13.5%13.3%
IV Percentile37.1%27.4%46.8%35.7%42.5%
Term Structure1.0%-2.7%10.4%10.4%-2.3%
VWIV32.0%30.0%35.0%32.5%31.9%
Skew 25d0.8%-5.5%2.8%1.8%1.7%
Skew 10d3.9%-20.5%17.5%10.3%0.3%
Call IV 25d31.6%29.3%36.5%31.1%30.0%
Put IV 25d32.3%29.9%39.2%32.9%31.7%
Bid-Ask Spread %14.855.6230.6326.498.73
Gamma HHI0.130.100.200.110.20
Net GEX1.3M-2.7M8.8M-2.7M3.5M
Net DEX53.5M-9.3M111.9M88.8M-2.8M
Net VEX-956.3K-1.1M-769.3K-769.3K-976.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.380.070.900.490.53
Total Volume12,417.4092,19133,9917,7818,548
Total OI230,538.227181,033263,063181,033226,821

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2020-12-01$33.66$36.0030.4%9.3%48.4%13.5%32.5%1.8%10.4%-2.7M88.8M-769.3K0.4926.49N/AN/A5,2242,55786,46194,572
2020-12-02$34.09$36.0029.8%8.8%47.7%12.8%31.7%2.0%-1.3%-2.1M77.8M-801.1K0.8711.41N/AN/A5,0134,36387,52696,428
2020-12-03$33.90$37.0029.9%8.4%47.7%12.9%30.3%-1.5%-2.7%-2.5M86.7M-795.6K0.8726.73N/AN/A13,02011,28689,29999,523
2020-12-04$34.35$36.0030.8%9.2%48.0%13.9%31.9%0.6%5.4%-1.2M74.1M-915.2K0.5013.50N/AN/A11,1235,51799,265109,487
2020-12-07$34.19$36.0032.0%9.7%47.8%15.2%33.9%2.8%2.3%-971.1K76.7M-937.1K0.1125.79N/AN/A30,7373,254105,832110,499
2020-12-08$34.02$36.0030.4%9.4%37.1%13.5%33.3%1.9%2.2%248.0K70.1M-985.2K0.1617.70N/AN/A14,7032,391121,991112,694
2020-12-09$34.14$36.0032.1%9.4%37.2%15.4%35.0%-0.3%1.8%1.4M66.8M-973.9K0.3615.24N/AN/A23,9558,714130,261113,519
2020-12-10$34.01$36.0032.7%9.4%36.6%16.0%33.1%-5.5%-0.8%1.3M72.7M-1.0M0.5519.30N/AN/A5,5903,102138,202121,129
2020-12-11$33.52$36.0031.4%9.1%36.4%14.6%32.6%0.5%0.5%-880.4K103.7M-995.3K0.1311.10N/AN/A8,7891,136140,045123,018
2020-12-14$33.44$36.0031.4%9.0%32.5%14.6%32.2%1.2%-1.2%-1.7M111.9M-950.2K0.2720.53N/AN/A7,1421,900136,570118,780
2020-12-15$34.50$36.0031.0%9.0%35.2%14.1%31.8%1.7%-0.1%2.9M51.2M-1.0M0.237.67N/AN/A10,6162,436137,691119,937
2020-12-16$35.18$36.0031.2%8.9%21.9%14.4%32.4%0.4%-0.9%6.1M14.4M-1.0M0.078.18N/AN/A18,0381,330135,969120,274
2020-12-17$35.33$36.0031.1%8.9%20.8%14.2%31.3%2.5%-0.1%7.2M6.3M-1.0M0.0930.63N/AN/A6,019557139,995120,531
2020-12-18$35.45$36.0030.9%8.9%20.7%14.1%31.3%1.1%0.0%8.8M-9.3M-1.1M0.1212.03N/AN/A10,1201,264140,372120,512
2020-12-21$34.73$36.0032.4%9.4%21.7%15.7%33.4%1.8%2.2%2.4M46.7M-980.2K0.4519.46N/AN/A6,1052,770115,103105,341
2020-12-22$34.40$36.0031.1%8.8%20.9%12.9%31.7%0.7%0.2%1.2M56.8M-975.3K0.427.99N/AN/A4,1611,740117,967107,243
2020-12-23$34.49$36.0030.2%8.6%20.3%11.6%31.0%0.3%0.7%885.1K57.6M-973.7K0.9012.99N/AN/A1,9011,709118,607108,176
2020-12-24$34.58$36.0029.7%8.5%20.1%11.0%30.0%0.5%2.9%-378.4K56.5M-969.4K0.418.50N/AN/A1,555636119,305109,372
2020-12-28$34.88$36.0030.3%8.5%20.2%11.5%30.0%1.2%3.7%871.6K44.3M-925.1K0.369.68N/AN/A4,0031,424117,036107,795
2020-12-29$35.49$36.0031.5%8.6%20.0%12.9%31.7%0.4%-0.9%3.1M13.0M-946.1K0.237.47N/AN/A9,6602,233116,728108,147
2020-12-30$35.61$36.0030.9%8.7%19.3%12.2%30.5%1.1%0.4%2.1M12.9M-951.7K0.225.62N/AN/A5,6211,221114,979108,839
2020-12-31$35.86$36.0032.0%9.1%19.0%13.3%31.9%1.7%-2.3%3.5M-2.8M-976.8K0.538.73N/AN/A5,6052,943117,246109,575