WM Options History — July 2007

In July 2007, WM traded between $37.53 and $43.68. ATM implied volatility averaged 28.5%, placing in the 55.3% IV rank vs the trailing year. The 30-day expected move averaged 7.9%. IV traded above realized volatility by 8.0% (HV 20d: 20.5%). Max pain ranged from $40.00 to $45.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 14 of 21 days. Put/call ratio averaged 2.32.

Notable Days

  • 2007-07-27: Highest Volume — 79,899 contracts
  • 2007-07-26: Largest IV spike — 28.2% change
  • 2007-07-31: Highest IV Rank — 84.0%
  • 2007-07-31: Largest Expected Move — 10.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$41.37$37.53$43.68$43.09$37.53
Max Pain$42.62$40.00$45.00$45.00$40.00
ATM IV28.5%23.0%36.8%30.0%36.8%
Expected Move7.9%6.6%10.5%8.6%10.5%
HV 20d20.5%16.9%26.7%19.3%26.7%
HV 60d19.0%16.5%21.2%20.4%21.2%
IV Rank55.3%36.8%84.0%58.8%84.0%
IV Percentile76.5%57.4%94.4%83.3%94.4%
Term Structure0.1%-3.9%3.2%-3.8%-2.5%
VWIV28.1%23.8%36.0%31.3%36.0%
Skew 25d4.0%2.1%6.2%4.1%4.2%
Skew 10d7.6%3.5%13.6%10.1%8.4%
Call IV 25d26.2%22.3%35.1%28.5%35.1%
Put IV 25d30.2%24.7%39.4%32.5%39.4%
Bid-Ask Spread %12.866.4319.9413.9218.09
Gamma HHI0.210.180.260.180.19
Net GEX-11.7M-19.3M-5.8M-8.9M-10.0M
Net DEX143.6M-66.7M330.3M17.1M330.3M
Net VEX-3.3M-3.5M-2.9M-3.5M-3.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio2.320.505.751.392.37
Total Volume25,066.2863,01779,89916,79431,312
Total OI531,133.381398,990593,139554,485475,263

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2007-07-02$43.09$45.0030.0%8.6%19.3%0.0%31.3%4.1%-3.8%-8.9M17.1M-3.5M1.3913.92N/AN/A7,0279,767216,834337,651
2007-07-03$43.68$45.0028.7%8.2%19.8%0.0%29.1%2.2%-3.2%-5.8M-66.7M-3.5M1.599.57N/AN/A4,0036,383220,244342,845
2007-07-05$43.25$45.0029.4%8.4%19.4%58.8%29.8%5.1%-3.9%-8.6M-8.5M-3.5M2.546.43N/AN/A1,0682,715221,653344,304
2007-07-06$43.52$42.5029.9%7.2%17.4%60.7%26.4%4.7%1.1%-7.4M-36.7M-3.5M4.5011.97N/AN/A7173,229222,084345,874
2007-07-09$42.87$42.5030.8%7.3%18.2%63.7%25.6%4.0%0.6%-11.3M40.1M-3.5M5.7512.85N/AN/A2,10712,109222,322347,696
2007-07-10$42.11$42.5032.0%7.4%19.3%67.7%27.9%3.7%1.1%-14.8M149.6M-3.4M1.4612.49N/AN/A3,2384,742222,972348,762
2007-07-11$42.24$42.5030.1%7.3%19.0%61.4%27.5%2.9%1.7%-14.9M132.5M-3.4M3.8111.45N/AN/A6,43424,491224,283350,038
2007-07-12$42.48$42.5025.3%7.2%19.0%44.6%27.0%4.3%1.3%-14.4M104.5M-3.4M0.5016.07N/AN/A7,6403,853225,732353,330
2007-07-13$42.72$42.5025.3%7.3%18.9%44.7%25.6%5.4%3.1%-11.0M61.0M-3.3M0.699.76N/AN/A1,7841,233229,289345,292
2007-07-16$42.53$42.5026.7%7.7%18.8%49.7%27.2%4.5%0.7%-12.4M89.1M-3.2M1.496.81N/AN/A5,6208,346229,282345,420
2007-07-17$42.36$42.5027.8%8.0%17.2%53.1%28.0%2.9%0.5%-13.7M110.7M-3.3M1.518.49N/AN/A7,60111,459230,709348,609
2007-07-18$41.61$42.5027.6%7.9%18.1%52.6%28.9%4.4%1.3%-18.9M227.6M-3.2M2.7011.12N/AN/A11,08729,968231,602353,980
2007-07-19$41.89$42.5023.0%6.6%16.9%36.8%23.8%2.9%3.2%-19.3M206.5M-3.1M1.839.55N/AN/A12,01821,934233,826359,313
2007-07-20$41.11$42.5026.2%7.5%17.9%47.6%24.8%4.3%2.5%-12.3M269.3M-3.1M1.3615.51N/AN/A10,22113,915234,866351,908
2007-07-23$41.19$42.5023.9%6.9%17.7%40.0%23.8%2.1%0.7%-9.9M100.7M-3.0M0.668.99N/AN/A11,0907,314157,945241,045
2007-07-24$39.09$42.5024.6%7.1%25.2%42.3%26.7%4.2%1.1%-9.6M252.7M-2.9M3.8312.91N/AN/A14,42155,280166,624245,580
2007-07-25$39.38$42.5024.4%7.0%25.5%41.6%25.6%3.4%1.3%-11.6M244.9M-3.0M1.8816.18N/AN/A14,77027,780172,988263,114
2007-07-26$38.61$42.5031.3%9.0%26.0%65.2%29.6%4.1%-0.3%-10.1M300.8M-3.2M1.5619.94N/AN/A14,22922,248180,876274,518
2007-07-27$38.65$42.5033.4%9.6%24.9%72.4%31.9%4.3%-1.9%-10.5M252.4M-3.3M4.9719.42N/AN/A13,39166,508177,439284,698
2007-07-30$38.96$40.0031.1%8.9%24.8%64.7%33.0%6.2%-1.9%-9.9M238.5M-3.3M2.4218.59N/AN/A3,9039,437182,462290,529
2007-07-31$37.53$40.0036.8%10.5%26.7%84.0%36.0%4.2%-2.5%-10.0M330.3M-3.3M2.3718.09N/AN/A9,30422,008182,743292,520