BSX Options History — October 2008

In October 2008, BSX traded between $7.11 and $11.47. ATM implied volatility averaged 98.3%, placing in the 66.9% IV rank vs the trailing year. The 30-day expected move averaged 26.6%. IV traded below realized volatility by 12.4% (HV 20d: 110.7%). Max pain ranged from $12.50 to $12.50. Net GEX was positive for 0 of 23 trading days. Term structure was in contango for 3 of 23 days. Put/call ratio averaged 1.88.

Notable Days

  • 2008-10-08: Highest Volume — 42,083 contracts
  • 2008-10-06: Largest IV spike — 39.9% change
  • 2008-10-03: Highest IV Rank — 100.0%
  • 2008-10-10: Largest Expected Move — 35.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$8.96$7.11$11.47$11.34$9.03
Max Pain$12.50$12.50$12.50$12.50$12.50
ATM IV98.3%51.5%168.0%54.5%83.2%
Expected Move26.6%14.8%35.4%15.6%23.8%
HV 20d110.7%78.2%133.1%78.8%133.1%
HV 60d76.3%57.9%89.6%58.0%89.6%
IV Rank66.9%42.0%100.0%74.9%42.0%
IV Percentile97.0%90.9%100.0%92.1%92.5%
Term Structure-5.1%-17.7%9.0%-0.5%-1.2%
VWIV91.0%52.3%124.3%56.9%85.7%
Skew 25d10.4%-11.6%24.1%15.4%11.1%
Skew 10d17.4%-29.6%55.4%26.2%5.2%
Call IV 25d89.1%48.8%117.8%55.4%85.5%
Put IV 25d99.5%66.2%137.9%70.8%96.7%
Bid-Ask Spread %23.249.9435.1315.8012.92
Gamma HHI0.300.290.310.300.29
Net GEX-1.0M-1.5M-499.7K-1.3M-1.3M
Net DEX122.4M85.9M145.9M85.9M120.2M
Net VEX-857.7K-1.1M-587.1K-1.0M-851.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.880.136.426.420.56
Total Volume10,241.91387342,08335,977873
Total OI610,348.217546,039641,590546,039638,638

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-10-01$11.34$12.5054.5%15.6%78.8%74.9%56.9%15.4%-0.5%-1.3M85.9M-1.0M6.4215.80N/AN/A4,84931,128254,695291,344
2008-10-02$11.47$12.5051.5%14.8%78.2%68.0%52.3%24.1%9.0%-1.5M85.9M-1.1M0.2420.99N/AN/A2,909687255,258317,197
2008-10-03$11.05$12.5065.8%18.9%78.3%100.0%63.6%-2.5%5.9%-1.5M94.0M-1.1M0.9523.52N/AN/A939894253,781313,506
2008-10-06$10.33$12.5092.0%22.5%81.2%100.0%75.8%15.5%-5.8%-1.3M115.3M-1.0M1.4621.91N/AN/A2,6763,902253,888316,884
2008-10-07$9.96$12.5094.0%25.0%81.7%100.0%95.8%3.8%-8.0%-1.1M113.9M-983.1K0.4528.99N/AN/A17,6287,961254,841317,223
2008-10-08$8.95$12.50112.6%27.4%87.5%100.0%95.3%1.1%-13.9%-989.6K135.1M-872.3K0.5028.55N/AN/A28,05814,025258,297320,358
2008-10-09$8.39$12.50129.7%32.0%84.4%100.0%102.0%8.7%-17.7%-766.5K122.9M-855.0K0.4533.61N/AN/A5,6522,545284,503330,166
2008-10-10$7.31$12.50168.0%35.4%92.6%100.0%124.3%20.1%-16.0%-499.7K113.0M-773.4K4.9230.06N/AN/A3,05215,024286,925330,287
2008-10-13$9.22$12.50118.3%27.0%131.5%66.0%102.6%19.7%-3.6%-806.3K119.8M-948.7K1.7332.33N/AN/A3,7326,456288,103338,945
2008-10-14$9.30$12.50110.5%27.1%130.0%60.6%97.3%14.3%-4.7%-892.4K119.0M-938.8K0.7225.85N/AN/A3,1032,230290,234341,756
2008-10-15$8.75$12.5096.5%31.3%131.1%51.1%98.8%9.8%-7.4%-783.0K120.8M-894.8K0.1335.13N/AN/A5,289689290,799339,986
2008-10-16$8.64$12.50115.3%33.1%122.1%64.0%101.6%16.6%-14.6%-753.3K123.5M-874.3K5.4829.05N/AN/A1,7959,840292,702339,816
2008-10-17$8.67$12.50104.6%30.0%121.8%56.6%102.3%4.2%-10.0%-899.6K131.4M-865.1K2.6425.01N/AN/A8312,194292,633348,957
2008-10-20$8.90$12.5089.3%25.6%120.3%46.1%87.4%6.8%-2.9%-1.1M120.1M-856.1K0.8316.15N/AN/A605500279,176328,703
2008-10-21$8.62$12.50101.3%29.0%120.2%54.4%96.9%16.5%-3.4%-1.1M127.4M-810.8K1.039.94N/AN/A7,1867,390279,042330,313
2008-10-22$8.19$12.5099.8%28.6%120.2%53.3%97.4%-11.6%-4.4%-971.0K130.3M-763.5K4.8421.43N/AN/A2,12810,302285,083334,596
2008-10-23$8.45$12.5096.1%27.6%120.3%50.8%92.0%1.1%-4.3%-1.1M134.4M-789.6K1.1412.83N/AN/A1,3591,548285,243342,349
2008-10-24$7.93$12.5092.6%26.6%121.2%48.4%93.5%11.4%0.2%-1.0M139.9M-702.2K3.5221.79N/AN/A1,1323,990283,729339,677
2008-10-27$7.11$12.5095.0%27.2%123.8%50.0%91.0%9.1%-1.6%-855.5K145.2M-587.1K0.4428.07N/AN/A874385284,541341,856
2008-10-28$7.71$12.5095.6%27.4%127.8%50.5%97.5%17.2%-3.6%-1.0M145.9M-655.7K2.5622.96N/AN/A1,0612,718284,507341,549
2008-10-29$8.03$12.5093.7%26.9%127.9%49.2%89.8%15.4%-3.6%-1.1M143.1M-682.1K0.7923.16N/AN/A849670284,906342,904
2008-10-30$8.71$12.50100.3%28.8%132.3%53.7%93.3%11.0%-4.9%-1.2M128.1M-796.9K1.3914.38N/AN/A5,8118,095285,159342,954
2008-10-31$9.03$12.5083.2%23.8%133.1%42.0%85.7%11.1%-1.2%-1.3M120.2M-851.0K0.5612.92N/AN/A560313288,516350,122