BSX Options History — July 2008

In July 2008, BSX traded between $11.75 and $13.89. ATM implied volatility averaged 42.7%, placing in the 47.8% IV rank vs the trailing year. The 30-day expected move averaged 12.3%. IV traded above realized volatility by 0.7% (HV 20d: 42.1%). Max pain ranged from $12.50 to $12.50. Net GEX was positive for 4 of 22 trading days. Term structure was in contango for 9 of 22 days. Put/call ratio averaged 1.39.

Notable Days

  • 2008-07-21: Highest Volume — 45,330 contracts
  • 2008-07-21: Largest IV spike — 23.1% change
  • 2008-07-21: Highest IV Rank — 56.0%
  • 2008-07-21: Largest Expected Move — 13.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$12.54$11.75$13.89$12.19$11.89
Max Pain$12.50$12.50$12.50$12.50$12.50
ATM IV42.7%37.6%46.3%39.6%42.6%
Expected Move12.3%10.8%13.3%11.3%12.2%
HV 20d42.1%31.8%55.2%32.6%54.9%
HV 60d33.8%29.2%40.2%29.2%39.6%
IV Rank47.8%36.1%56.0%40.6%47.7%
IV Percentile66.9%30.6%85.7%49.6%65.9%
Term Structure-0.6%-6.6%3.0%2.8%-1.9%
VWIV43.5%39.1%50.4%39.6%42.6%
Skew 25d1.7%-17.1%46.7%-1.5%-7.2%
Skew 10d7.6%-28.6%70.9%-0.3%-6.5%
Call IV 25d42.7%34.0%50.4%35.9%41.3%
Put IV 25d44.5%32.2%82.2%34.5%34.1%
Bid-Ask Spread %9.145.3412.749.8111.28
Gamma HHI0.340.320.380.330.33
Net GEX-575.5K-1.5M965.5K-489.7K-1.5M
Net DEX13.2M-62.6M60.5M25.9M52.3M
Net VEX-1.2M-1.3M-1.2M-1.2M-1.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.390.096.041.640.12
Total Volume9,193.4551,73045,3305,9032,121
Total OI500,587.682463,761553,140463,761553,140

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-07-01$12.19$12.5039.6%11.3%32.6%40.6%39.6%-1.5%2.8%-489.7K25.9M-1.2M1.649.81N/AN/A2,2383,665233,950229,811
2008-07-02$12.41$12.5039.5%11.3%33.2%40.4%39.5%2.8%2.0%-288.6K11.9M-1.2M1.489.29N/AN/A1,1291,671235,543231,802
2008-07-03$12.35$12.5039.1%11.2%31.9%39.6%39.1%46.7%3.0%-408.6K17.0M-1.2M2.2611.17N/AN/A1,5663,537235,574232,246
2008-07-07$12.50$12.5038.7%12.4%31.8%38.6%42.1%5.7%-0.6%-499.1K14.7M-1.2M0.865.69N/AN/A1,1921,029235,169235,286
2008-07-08$12.85$12.5044.5%13.0%33.5%51.8%45.0%6.9%-2.5%-52.1K-6.6M-1.3M6.049.44N/AN/A9085,486235,238233,969
2008-07-09$12.56$12.5042.2%12.4%33.9%46.6%43.2%3.0%0.3%-479.5K7.4M-1.2M3.868.96N/AN/A1,0313,981235,185235,913
2008-07-10$12.23$12.5044.9%12.9%34.4%52.8%44.9%6.0%-1.6%-827.6K30.2M-1.2M0.729.29N/AN/A1,7591,258235,443239,627
2008-07-11$12.09$12.5045.4%13.0%32.8%53.8%45.5%5.5%-2.4%-862.7K33.4M-1.2M0.7711.19N/AN/A2,3641,826235,310239,383
2008-07-14$12.44$12.5044.3%12.7%34.6%51.4%44.1%4.2%-1.2%-804.2K18.9M-1.2M0.376.56N/AN/A1,263467236,673240,621
2008-07-15$12.85$12.5045.4%13.0%35.4%54.0%45.1%6.2%-1.3%-390.1K-5.8M-1.2M1.2212.74N/AN/A2,9273,585238,461240,957
2008-07-16$13.49$12.5044.9%12.9%39.8%52.8%41.5%3.9%-0.5%360.1K-40.9M-1.3M1.5111.57N/AN/A5,7158,649238,131243,293
2008-07-17$13.66$12.5042.6%12.2%40.0%47.4%42.4%6.3%1.7%525.1K-46.1M-1.3M0.2112.09N/AN/A2,875595241,480251,106
2008-07-18$13.89$12.5037.6%10.8%39.5%36.1%44.7%9.7%0.1%965.5K-62.6M-1.3M1.289.12N/AN/A4,7906,135240,378251,272
2008-07-21$13.80$12.5046.3%13.3%35.5%56.0%47.8%7.0%-6.6%747.8K-55.8M-1.3M0.619.97N/AN/A28,08917,241234,253250,712
2008-07-22$12.28$12.5044.0%12.6%54.4%50.7%44.0%3.3%0.2%-1.1M36.5M-1.2M0.865.34N/AN/A15,18013,021258,063264,276
2008-07-23$12.48$12.5040.1%11.5%54.3%41.9%40.2%-12.6%2.2%-1.0M25.2M-1.3M1.036.76N/AN/A8,4598,671263,220267,827
2008-07-24$12.19$12.5042.5%12.2%54.7%47.2%42.3%-12.8%1.8%-1.2M37.3M-1.3M2.616.72N/AN/A9952,597267,677274,069
2008-07-25$12.09$12.5042.8%12.3%53.9%47.9%50.4%-17.1%-0.8%-1.3M41.1M-1.3M0.097.68N/AN/A15,8531,377267,640275,943
2008-07-28$11.82$12.5046.0%13.2%54.5%55.3%45.8%-11.4%-2.4%-1.3M51.0M-1.2M1.7810.24N/AN/A1,8933,378275,963276,089
2008-07-29$12.00$12.5043.7%12.5%54.7%50.0%43.7%-5.5%-1.9%-1.3M44.1M-1.2M0.837.56N/AN/A1,8021,492275,889275,004
2008-07-30$11.75$12.5043.6%12.5%55.2%49.8%43.6%-10.8%-3.4%-1.5M60.5M-1.2M0.518.61N/AN/A5,6092,837276,470274,873
2008-07-31$11.89$12.5042.6%12.2%54.9%47.7%42.6%-7.2%-1.9%-1.5M52.3M-1.2M0.1211.28N/AN/A1,895226278,627274,513