BSX Options History — October 2020

In October 2020, BSX traded between $33.75 and $42.00. ATM implied volatility averaged 37.8%, placing in the 21.8% IV rank vs the trailing year. The 30-day expected move averaged 10.6%. IV traded above realized volatility by 11.3% (HV 20d: 26.5%). Max pain ranged from $36.00 to $39.00. Net GEX was positive for 10 of 22 trading days. Term structure was in contango for 8 of 22 days. Put/call ratio averaged 0.77.

Notable Days

  • 2020-10-16: Highest Volume — 25,622 contracts
  • 2020-10-15: Largest IV spike — 9.8% change
  • 2020-10-30: Highest IV Rank — 24.9%
  • 2020-10-30: Largest Expected Move — 12.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$38.21$33.75$42.00$38.31$34.17
Max Pain$36.27$36.00$39.00$39.00$36.00
ATM IV37.8%34.4%40.5%39.4%40.5%
Expected Move10.6%8.8%12.6%9.1%12.6%
HV 20d26.5%22.3%32.8%22.5%32.8%
HV 60d26.2%24.8%27.2%26.9%27.1%
IV Rank21.8%18.0%24.9%23.6%24.9%
IV Percentile74.7%61.9%81.7%79.4%81.7%
Term Structure-0.6%-6.4%4.7%4.7%-0.1%
VWIV37.8%30.6%45.1%31.0%45.1%
Skew 25d5.0%-2.9%9.1%5.4%6.6%
Skew 10d11.4%-1.4%40.4%22.2%14.3%
Call IV 25d36.7%32.4%52.7%52.7%37.1%
Put IV 25d41.7%36.8%58.1%58.1%43.7%
Bid-Ask Spread %14.853.5828.467.3418.68
Gamma HHI0.130.080.330.080.11
Net GEX12.2K-9.7M7.4M-949.6K-5.6M
Net DEX11.1M-128.5M155.6M33.9M136.5M
Net VEX-745.8K-808.1K-688.2K-808.1K-732.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.770.063.760.650.96
Total Volume9,012.6823,26025,6225,5889,012
Total OI176,059.273158,709199,074158,709199,074

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2020-10-01$38.31$39.0039.4%9.1%22.5%23.6%31.0%5.4%4.7%-949.6K33.9M-808.1K0.657.34N/AN/A3,3812,20761,28497,425
2020-10-02$38.59$39.0036.4%8.8%22.3%20.2%30.6%6.3%0.5%-215.0K22.3M-805.8K0.147.28N/AN/A6,23488962,75298,039
2020-10-05$39.27$36.0036.4%10.0%23.4%20.3%34.7%6.6%0.0%1.4M-4.6M-771.1K0.1328.36N/AN/A2,88137965,04996,670
2020-10-06$39.43$36.0038.1%10.0%23.3%22.1%35.3%3.3%-1.7%1.9M-10.0M-782.7K0.1112.72N/AN/A6,30066367,15996,895
2020-10-07$40.31$36.0036.0%10.3%24.2%19.8%42.4%5.8%1.3%4.2M-45.8M-767.9K0.6521.82N/AN/A2,2531,45969,82197,325
2020-10-08$40.42$36.0036.7%10.2%23.7%20.5%37.8%1.7%1.2%4.5M-45.5M-772.5K0.105.87N/AN/A6,96468569,44398,099
2020-10-09$41.05$36.0038.9%10.0%23.6%23.1%33.0%-2.9%1.7%7.4M-77.1M-738.1K0.1228.46N/AN/A10,4711,28573,17497,844
2020-10-12$42.00$36.0036.6%10.5%23.9%20.5%36.1%5.2%0.2%6.0M-128.5M-711.8K0.2920.36N/AN/A5,9961,76576,64596,413
2020-10-13$40.91$36.0036.3%10.2%25.6%20.2%34.3%4.9%-0.7%6.4M-95.2M-726.1K0.064.02N/AN/A15,09585978,52397,535
2020-10-14$40.77$36.0034.4%10.3%24.8%18.0%40.8%8.0%1.6%7.2M-127.5M-753.9K0.923.58N/AN/A3,1732,92789,09297,768
2020-10-15$39.05$36.0037.8%10.3%28.6%21.8%37.9%6.8%-1.4%5.2M-47.7M-766.6K1.6615.83N/AN/A5,7139,49689,746100,159
2020-10-16$38.70$36.0036.8%10.1%27.5%20.7%36.1%9.1%-2.3%6.1M-17.7M-747.9K0.536.92N/AN/A16,7808,84291,298105,349
2020-10-19$37.92$36.0038.6%11.0%28.4%22.8%38.6%5.0%-2.4%-3.1M31.2M-710.7K0.7016.56N/AN/A2,7801,95662,31199,827
2020-10-20$37.70$36.0037.5%10.6%28.5%21.4%36.9%5.3%-6.4%-3.4M39.5M-712.3K0.5617.55N/AN/A2,2731,28064,375101,515
2020-10-21$37.34$36.0037.7%10.8%27.8%21.7%37.5%5.9%-2.4%-3.7M45.1M-717.4K0.5622.41N/AN/A3,0941,74066,203102,334
2020-10-22$36.91$36.0037.6%10.8%27.3%21.6%36.1%5.3%-0.6%-4.8M58.2M-723.0K1.2512.51N/AN/A1,8962,36168,862103,927
2020-10-23$37.09$36.0037.7%10.9%27.2%21.7%36.8%4.4%-1.2%-9.7M51.1M-736.0K2.3416.96N/AN/A6,18814,50870,074105,656
2020-10-26$36.69$36.0040.0%11.9%26.2%24.3%44.5%4.7%-1.0%-3.4M62.5M-762.6K0.7016.21N/AN/A4,7153,31670,008112,426
2020-10-27$36.10$36.0039.5%11.9%26.6%23.7%43.0%2.8%-2.0%-3.3M70.2M-768.0K0.5812.74N/AN/A5,3083,06673,505112,911
2020-10-28$34.09$36.0039.6%12.3%32.7%23.8%41.8%6.7%-1.8%-5.4M136.9M-704.5K3.7615.20N/AN/A2,68410,07976,829115,130
2020-10-29$33.75$36.0039.2%11.8%32.4%23.4%40.8%3.9%-0.9%-6.6M155.6M-688.2K0.1715.25N/AN/A4,53679077,729117,101
2020-10-30$34.17$36.0040.5%12.6%32.8%24.9%45.1%6.6%-0.1%-5.6M136.5M-732.8K0.9618.68N/AN/A4,6024,41081,424117,650