M Options History — August 2008

In August 2008, M traded between $17.89 and $21.82. ATM implied volatility averaged 63.9%, placing in the 51.4% IV rank vs the trailing year. The 30-day expected move averaged 16.6%. IV traded below realized volatility by 6.9% (HV 20d: 70.8%). Max pain ranged from $17.50 to $20.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 15 of 21 days. Put/call ratio averaged 0.74.

Notable Days

  • 2008-08-11: Highest Volume — 22,695 contracts
  • 2008-08-13: Largest IV drop — 40.6% change
  • 2008-08-11: Highest IV Rank — 100.0%
  • 2008-08-01: Largest Expected Move — 21.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$20.08$17.89$21.82$18.17$20.82
Max Pain$19.05$17.50$20.00$20.00$20.00
ATM IV63.9%51.7%98.2%74.4%52.7%
Expected Move16.6%14.8%21.3%21.3%15.1%
HV 20d70.8%66.7%78.4%72.0%68.2%
HV 60d61.1%54.6%63.8%55.0%63.2%
IV Rank51.4%26.7%100.0%78.6%28.3%
IV Percentile69.6%41.7%100.0%93.3%46.8%
Term Structure1.1%-7.8%4.9%-7.8%1.8%
VWIV58.6%49.0%78.1%78.1%56.9%
Skew 25d9.6%5.3%13.9%13.9%9.3%
Skew 10d22.0%14.7%39.2%39.2%27.1%
Call IV 25d53.1%45.9%64.7%64.7%46.3%
Put IV 25d62.7%55.6%78.6%78.6%55.6%
Bid-Ask Spread %10.876.6416.007.848.46
Gamma HHI0.300.150.580.460.22
Net GEX875.0K48.6K2.3M1.0M342.2K
Net DEX-17.8M-74.8M9.3M3.0M-12.5M
Net VEX-298.8K-338.4K-271.1K-301.0K-283.3K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.740.171.860.291.11
Total Volume7,265.38161922,6951,7721,057
Total OI140,549.619100,319175,756164,704110,874

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-08-01$18.17$20.0074.4%21.3%72.0%78.6%78.1%13.9%-7.8%1.0M3.0M-301.0K0.297.84N/AN/A1,374398109,57355,131
2008-08-04$17.89$17.5078.2%18.8%72.2%86.1%65.2%10.5%-1.3%906.7K9.3M-277.7K0.8516.00N/AN/A4,2053,577109,66955,043
2008-08-05$19.49$17.5073.2%17.5%78.4%76.2%62.7%11.8%0.2%1.6M-22.1M-332.0K0.6613.27N/AN/A7,6895,046112,91957,433
2008-08-06$19.68$17.5073.6%17.6%76.4%76.9%62.1%11.2%-0.0%1.5M-21.9M-327.3K1.8410.34N/AN/A7741,428111,09759,838
2008-08-07$18.92$17.5075.6%17.6%68.9%80.9%64.9%9.6%0.4%1.3M-8.0M-306.9K0.9613.94N/AN/A1,1401,090111,28460,250
2008-08-08$20.73$17.5078.3%17.6%71.5%86.4%61.2%8.9%-0.2%1.9M-45.5M-335.7K0.597.46N/AN/A6,3463,738111,14660,539
2008-08-11$21.65$17.5088.4%17.4%71.4%100.0%61.8%10.2%-1.2%2.1M-74.8M-338.4K0.1911.50N/AN/A19,0283,667113,09862,319
2008-08-12$20.27$17.5098.2%18.7%75.9%100.0%68.1%10.9%-3.0%1.6M-32.6M-311.0K1.1311.72N/AN/A6,9937,871107,88561,702
2008-08-13$20.66$17.5058.3%16.9%70.1%37.1%59.2%10.6%3.6%2.3M-41.1M-306.1K1.1812.35N/AN/A7,8549,292109,70866,048
2008-08-14$21.22$20.0058.7%16.8%68.2%37.8%57.6%8.5%2.9%1.9M-49.3M-314.7K0.1714.05N/AN/A18,2103,110107,66766,762
2008-08-15$21.49$20.0052.9%15.2%67.6%28.6%57.0%9.6%4.9%324.7K-45.7M-301.9K0.257.98N/AN/A3,754942101,98566,920
2008-08-18$21.82$20.0052.3%15.0%66.7%27.7%53.6%8.8%2.9%272.2K-18.7M-301.4K0.548.22N/AN/A2,7691,50259,20441,115
2008-08-19$20.32$20.0056.5%16.2%71.3%34.3%55.7%10.1%1.2%162.6K-5.5M-287.7K1.8615.54N/AN/A4,1517,71361,07142,147
2008-08-20$19.67$20.0054.7%15.7%71.6%31.4%55.1%7.9%1.8%48.6K2.0M-282.9K0.639.79N/AN/A1,6741,05662,60744,426
2008-08-21$19.44$20.0053.5%15.3%69.8%29.5%53.9%8.7%3.0%67.3K3.0M-273.6K0.689.18N/AN/A3,5852,42763,43742,966
2008-08-22$20.13$20.0052.1%14.9%70.4%27.2%52.7%9.3%4.3%258.6K-5.4M-287.9K0.5415.76N/AN/A1,9361,04565,88642,657
2008-08-25$19.57$20.0054.8%15.7%70.5%31.6%54.0%5.3%1.6%157.0K367.5K-277.0K0.966.64N/AN/A31630365,53243,175
2008-08-26$19.50$20.0052.0%14.9%68.2%27.1%49.0%9.1%3.7%136.1K1.7M-271.1K0.5710.71N/AN/A80145365,60843,288
2008-08-27$19.69$20.0052.2%15.0%68.0%27.5%51.6%6.6%2.3%156.7K72.1K-273.2K0.278.57N/AN/A1,45939465,81843,510
2008-08-28$20.65$20.0051.7%14.8%69.8%26.7%50.3%10.8%2.6%305.0K-10.4M-283.7K0.348.92N/AN/A1,79461266,63543,570
2008-08-29$20.82$20.0052.7%15.1%68.2%28.3%56.9%9.3%1.8%342.2K-12.5M-283.3K1.118.46N/AN/A50055767,10143,773