WM Options History — May 2008

In May 2008, WM traded between $9.02 and $12.52. ATM implied volatility averaged 59.8%, placing in the 24.2% IV rank vs the trailing year. The 30-day expected move averaged 17.3%. IV traded below realized volatility by 8.1% (HV 20d: 67.9%). Max pain ranged from $10.00 to $12.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 20 of 21 days. Put/call ratio averaged 1.02.

Notable Days

  • 2008-05-13: Highest Volume — 71,563 contracts
  • 2008-05-05: Largest IV spike — 22.7% change
  • 2008-05-12: Highest IV Rank — 28.6%
  • 2008-05-12: Largest Expected Move — 19.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$10.21$9.02$12.52$12.52$9.02
Max Pain$11.05$10.00$12.00$12.00$10.00
ATM IV59.8%47.5%67.4%47.5%60.7%
Expected Move17.3%13.6%19.2%13.6%17.4%
HV 20d67.9%48.0%125.6%125.6%49.7%
HV 60d117.8%116.4%118.6%118.6%116.4%
IV Rank24.2%18.3%28.6%18.3%23.1%
IV Percentile50.8%41.7%56.3%41.7%49.2%
Term Structure5.9%-0.5%10.0%3.3%9.3%
VWIV60.2%49.4%66.5%49.4%63.6%
Skew 25d8.6%3.4%15.5%3.7%3.8%
Skew 10d16.8%3.9%28.5%7.3%5.8%
Call IV 25d57.7%48.3%64.8%48.3%63.8%
Put IV 25d66.3%52.1%72.8%52.1%67.6%
Bid-Ask Spread %4.353.017.304.513.29
Gamma HHI0.170.120.260.120.17
Net GEX-1.7M-2.8M-68.9K-68.9K-1.6M
Net DEX118.6M-13.5M165.9M-13.5M151.1M
Net VEX-1.4M-1.8M-890.3K-1.8M-1.4M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.020.252.351.001.39
Total Volume37,580.61912,31271,56317,21268,544
Total OI1,085,679833,1421,206,1431,112,4001,076,154

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-05-01$12.52$12.0047.5%13.6%125.6%18.3%49.4%3.7%3.3%-68.9K-13.5M-1.8M1.004.51N/AN/A8,6038,609507,621604,779
2008-05-02$12.18$12.0049.1%14.1%117.2%19.1%50.3%3.6%5.6%-1.1M28.3M-1.7M0.513.40N/AN/A22,28011,266508,837605,351
2008-05-05$11.22$12.0060.3%17.5%76.9%24.9%60.8%13.5%-0.5%-2.2M99.0M-1.5M2.185.32N/AN/A17,26737,613512,071607,332
2008-05-06$11.50$12.0058.5%17.1%68.0%23.9%58.5%13.5%3.0%-1.9M76.5M-1.6M0.464.69N/AN/A23,99110,945515,653601,640
2008-05-07$10.85$12.0061.6%17.6%70.2%25.5%66.5%15.5%3.1%-2.0M108.3M-1.5M1.097.30N/AN/A32,30035,354520,814601,027
2008-05-08$10.42$12.0065.2%18.6%71.5%27.5%61.7%14.4%3.9%-2.4M137.0M-1.6M0.424.73N/AN/A31,62013,384541,985616,976
2008-05-09$10.34$12.0061.6%18.7%70.1%25.6%64.1%13.8%4.9%-2.3M139.5M-1.5M2.025.02N/AN/A9,64619,471561,533617,008
2008-05-12$10.25$11.0067.4%19.2%67.3%28.6%63.7%12.5%4.3%-2.7M123.5M-890.3K0.775.22N/AN/A26,66320,468340,354492,788
2008-05-13$9.88$11.0062.3%18.3%67.5%25.9%64.3%13.0%4.8%-2.8M162.7M-1.4M1.464.67N/AN/A29,14042,423572,136629,368
2008-05-14$9.78$11.0055.5%17.7%66.8%22.4%60.9%11.7%5.0%-2.5M165.9M-1.4M0.525.52N/AN/A22,00911,335576,860613,939
2008-05-15$10.32$11.0057.1%16.4%65.0%23.2%57.1%9.1%8.7%-1.2M126.3M-1.4M0.873.71N/AN/A21,58418,798584,603615,802
2008-05-16$10.06$11.0057.8%16.6%64.6%23.6%57.3%6.6%6.1%-1.8M146.5M-1.3M0.504.54N/AN/A21,50610,692590,601615,542
2008-05-19$10.04$11.0055.5%15.9%63.5%22.4%55.6%3.4%4.2%-1.2M102.8M-1.4M0.563.01N/AN/A14,3168,071490,247490,695
2008-05-20$9.83$11.0055.4%15.9%63.8%22.3%55.2%7.9%10.0%-1.3M122.1M-1.3M0.493.70N/AN/A8,2874,025493,908493,099
2008-05-21$9.40$11.0061.7%17.7%64.7%25.6%60.3%6.2%8.4%-1.3M128.8M-1.2M2.173.65N/AN/A10,27322,283497,044493,897
2008-05-22$9.45$10.0061.9%17.8%52.0%25.7%60.5%6.2%7.9%-1.3M125.8M-1.4M2.353.39N/AN/A13,98332,867501,365512,371
2008-05-23$9.16$10.0061.0%17.5%48.0%23.7%62.8%4.3%6.3%-1.5M140.0M-1.3M1.383.51N/AN/A7,42110,253508,507531,452
2008-05-27$9.50$10.0066.6%19.1%51.5%26.7%65.5%6.8%7.8%-1.4M132.9M-1.3M0.254.97N/AN/A23,8796,066510,481534,536
2008-05-28$9.40$10.0065.1%18.7%51.3%25.9%63.0%5.9%9.5%-1.5M136.4M-1.3M0.573.07N/AN/A16,3869,284514,816534,471
2008-05-29$9.19$10.0063.2%18.1%51.2%24.9%63.2%5.3%7.5%-1.6M150.6M-1.4M0.534.06N/AN/A17,2019,087521,252540,344
2008-05-30$9.02$10.0060.7%17.4%49.7%23.1%63.6%3.8%9.3%-1.6M151.1M-1.4M1.393.29N/AN/A28,63339,911529,738546,416