BSX Options History — October 2019

In October 2019, BSX traded between $38.01 and $41.93. ATM implied volatility averaged 28.3%, placing in the 34.2% IV rank vs the trailing year. The 30-day expected move averaged 7.9%. IV traded below realized volatility by 6.2% (HV 20d: 34.5%). Max pain ranged from $39.00 to $42.00. Net GEX was positive for 15 of 23 trading days. Term structure was in contango for 11 of 23 days. Put/call ratio averaged 0.80.

Notable Days

  • 2019-10-22: Highest Volume — 24,192 contracts
  • 2019-10-10: Largest IV spike — 27.3% change
  • 2019-10-11: Highest IV Rank — 58.7%
  • 2019-10-08: Largest Expected Move — 9.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$39.57$38.01$41.93$40.27$41.69
Max Pain$40.17$39.00$42.00$42.00$39.50
ATM IV28.3%22.0%34.4%31.6%22.1%
Expected Move7.9%6.2%9.7%7.6%6.2%
HV 20d34.5%31.1%39.3%34.3%31.5%
HV 60d28.9%25.9%31.1%25.9%30.4%
IV Rank34.2%8.6%58.7%47.3%8.7%
IV Percentile58.0%6.7%90.5%83.3%7.1%
Term Structure0.0%-3.6%11.9%-2.1%0.4%
VWIV27.6%21.0%33.9%26.0%21.0%
Skew 25d3.6%-3.4%7.0%7.0%2.8%
Skew 10d9.5%-7.0%19.1%18.9%7.1%
Call IV 25d27.1%20.7%40.4%26.5%20.7%
Put IV 25d30.7%23.5%37.1%33.5%23.5%
Bid-Ask Spread %8.963.6718.098.353.79
Gamma HHI0.110.070.200.080.14
Net GEX1.3M-4.7M7.8M1.8M4.6M
Net DEX-9.6M-86.8M38.2M-6.4M-66.5M
Net VEX-469.0K-512.0K-432.0K-502.4K-461.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.800.112.801.370.11
Total Volume6,046.6091,38024,1923,5655,218
Total OI121,120.478100,478141,634110,676111,710

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-10-01$40.27$42.0031.6%7.6%34.3%47.3%26.0%7.0%-2.1%1.8M-6.4M-502.4K1.378.35N/AN/A1,5072,05871,46539,211
2019-10-02$39.25$42.0032.2%8.4%35.1%49.9%28.7%4.3%-0.1%91.6K14.9M-480.9K1.928.36N/AN/A1,7423,33972,23140,333
2019-10-03$39.61$41.0033.0%8.6%34.9%53.1%28.4%2.9%-3.4%557.4K7.5M-479.6K0.7113.68N/AN/A1,5671,12072,67339,804
2019-10-04$40.39$41.0029.8%8.3%34.5%40.3%28.1%3.9%0.4%2.6M-15.8M-512.0K0.4713.10N/AN/A4,1561,94677,72840,701
2019-10-07$40.40$41.0030.9%8.5%31.1%44.5%29.8%6.9%-0.7%3.1M-18.3M-506.0K0.2011.73N/AN/A1,15422678,88041,472
2019-10-08$38.16$41.0033.8%9.7%36.5%56.4%33.9%4.1%0.9%-356.0K31.9M-449.0K1.646.85N/AN/A3,4345,63579,55441,534
2019-10-09$38.61$41.0026.3%9.0%34.8%25.8%32.4%4.1%11.9%-244.8K25.1M-471.9K0.5918.09N/AN/A1,9951,16980,92645,702
2019-10-10$38.01$40.0033.5%9.3%34.9%54.9%33.0%4.2%-0.9%-833.1K36.3M-455.2K0.669.06N/AN/A2,9301,92381,99645,563
2019-10-11$38.33$40.0034.4%9.1%35.0%58.7%30.8%-3.4%-3.6%-448.2K27.4M-476.6K0.1813.94N/AN/A3,10754783,79345,419
2019-10-14$38.10$40.0031.3%8.9%35.0%46.2%30.6%3.6%0.0%-917.3K32.6M-444.4K1.1012.18N/AN/A2,2672,50283,57545,071
2019-10-15$38.52$40.0028.6%8.2%34.9%35.4%29.0%4.3%-0.2%-3.0M30.7M-455.7K0.8110.63N/AN/A1,7761,43984,36952,201
2019-10-16$38.19$40.0029.5%8.4%34.4%38.7%28.7%4.3%1.7%-4.2M38.2M-442.2K0.6710.92N/AN/A94163085,69352,923
2019-10-17$38.25$40.0029.0%8.3%34.3%36.8%28.2%3.8%0.8%-4.7M35.0M-441.8K1.116.45N/AN/A2,4242,69485,99152,925
2019-10-18$38.58$40.0028.1%8.0%34.4%33.2%28.9%4.6%1.2%572.8K18.8M-441.7K2.809.25N/AN/A2,2716,37087,10154,533
2019-10-21$38.72$40.0029.0%8.2%34.5%36.9%28.1%4.1%-1.8%434.1K7.2M-432.0K0.8910.55N/AN/A3,2012,83657,58042,898
2019-10-22$38.20$39.5031.5%9.5%33.9%47.0%33.0%1.9%-1.5%289.9K14.3M-454.7K0.1813.43N/AN/A20,4293,76361,24345,303
2019-10-23$40.17$39.0023.9%6.6%39.2%16.3%23.7%2.8%-2.1%7.8M-66.4M-473.6K0.375.51N/AN/A15,2005,66574,22447,461
2019-10-24$40.57$39.0024.0%6.4%39.3%16.6%24.4%3.3%-0.9%4.5M-73.1M-478.4K0.604.01N/AN/A4,8382,91672,55250,109
2019-10-25$40.95$39.5022.2%6.2%33.9%9.4%23.9%3.4%-0.6%4.2M-86.8M-488.4K0.823.95N/AN/A3,0692,50874,03651,634
2019-10-28$41.61$39.5022.2%6.3%33.6%9.3%22.2%3.3%0.2%4.1M-64.7M-483.8K0.464.45N/AN/A96644062,18748,521
2019-10-29$41.70$39.5022.8%6.5%33.1%11.9%22.0%2.8%0.3%5.0M-68.8M-482.9K0.283.67N/AN/A2,83878963,07848,763
2019-10-30$41.93$39.5022.0%6.2%31.5%8.6%21.1%3.7%0.5%4.9M-73.4M-471.2K0.584.11N/AN/A96456362,18248,923
2019-10-31$41.69$39.5022.1%6.2%31.5%8.7%21.0%2.8%0.4%4.6M-66.5M-461.8K0.113.79N/AN/A4,68952962,48749,223