WMT Options History — May 2007

In May 2007, WMT traded between $15.44 and $16.20. ATM implied volatility averaged 18.0%. The 30-day expected move averaged 5.1%. IV traded above realized volatility by 4.9% (HV 20d: 13.1%). Max pain ranged from $15.83 to $15.83. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 11 of 22 days. Put/call ratio averaged 0.66.

Notable Days

  • 2007-05-15: Highest Volume — 472,014 contracts
  • 2007-05-31: Largest IV drop — 12.1% change
  • 2007-05-03: Largest Expected Move — 6.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$15.84$15.44$16.20$16.11$15.87
Max Pain$15.83$15.83$15.83$15.83$15.83
ATM IV18.0%14.0%21.5%20.3%14.0%
Expected Move5.1%4.0%6.0%5.8%4.0%
HV 20d13.1%8.9%17.1%17.1%9.8%
HV 60d16.3%14.1%17.7%17.7%14.1%
Term Structure-0.2%-2.0%1.4%-0.7%1.4%
VWIV17.9%14.1%20.8%20.4%14.1%
Skew 25d1.5%-0.7%3.3%2.1%0.9%
Skew 10d3.4%-5.4%8.4%7.2%2.1%
Call IV 25d17.5%15.8%19.8%18.7%15.8%
Put IV 25d19.1%16.2%21.8%20.7%16.7%
Bid-Ask Spread %5.973.7115.494.494.00
Gamma HHI0.170.140.210.180.18
Net GEX47.5M26.5M64.4M56.0M62.5M
Net DEX-1.88B-2.40B-1.44B-2.21B-2.04B
Net VEX-19.5M-20.1M-18.8M-19.7M-19.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.660.111.400.270.15
Total Volume134,677.90927,780472,01492,160295,335
Total OI5,530,374.8185,347,2905,735,5925,403,5615,529,687

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2007-05-01$16.11$15.8320.3%5.8%17.1%0.0%20.4%2.1%-0.7%56.0M-2.21B-19.7M0.274.4972,38119,7793,388,3952,015,166
2007-05-02$16.09$15.8320.8%6.0%16.3%0.0%20.8%2.2%-1.0%58.7M-2.23B-19.8M0.4311.4290,75939,2973,418,4611,993,332
2007-05-03$16.12$15.8320.9%6.0%16.3%0.0%20.6%1.7%-1.1%60.4M-2.26B-20.0M0.185.6236,8016,7473,462,1952,019,690
2007-05-04$16.09$15.8320.6%5.7%16.2%0.0%19.4%3.3%-1.7%59.9M-2.22B-19.9M1.0515.4927,47728,8813,468,5492,021,400
2007-05-07$16.20$15.8321.4%5.8%16.4%0.0%19.0%3.3%-2.0%64.4M-2.40B-19.8M0.507.8774,84737,4673,481,3322,031,594
2007-05-08$16.03$15.8321.5%5.8%16.3%0.0%19.9%2.6%-1.7%59.5M-2.19B-19.6M0.934.0814,39413,3863,492,0302,046,429
2007-05-09$15.98$15.8319.9%5.6%15.5%0.0%19.3%2.3%-0.6%58.1M-2.07B-19.9M1.404.8743,52760,9663,486,4262,050,203
2007-05-10$15.92$15.8319.4%5.6%15.6%0.0%19.2%1.9%-1.3%49.3M-2.03B-20.1M0.495.4058,09528,5213,502,7792,087,439
2007-05-11$15.93$15.8318.8%5.4%15.6%0.0%18.9%2.2%-0.4%52.1M-1.97B-19.7M0.774.8987,06367,1943,532,0922,097,666
2007-05-14$15.95$15.8318.9%5.4%14.7%0.0%18.8%2.5%-0.2%52.3M-1.99B-19.7M0.804.3184,13867,3983,550,6502,142,042
2007-05-15$15.87$15.8317.0%4.9%14.8%0.0%16.7%2.4%1.1%46.2M-1.81B-19.8M0.115.99424,33547,6793,563,5682,172,024
2007-05-16$15.73$15.8317.5%5.0%15.1%0.0%17.7%2.1%0.2%35.5M-1.57B-19.4M1.155.5679,58791,4193,539,3912,187,789
2007-05-17$15.70$15.8317.3%5.0%14.7%0.0%17.6%1.2%0.6%37.9M-1.62B-19.7M0.537.2349,00225,9293,528,8612,188,512
2007-05-18$15.76$15.8316.7%4.8%9.7%0.0%16.9%1.6%0.9%42.9M-1.63B-19.1M0.715.5446,21532,7123,510,3992,156,817
2007-05-21$15.54$15.8316.3%4.7%9.2%0.0%16.6%0.6%0.3%32.9M-1.47B-19.1M0.905.2183,25374,8833,327,9842,019,306
2007-05-22$15.51$15.8316.3%4.7%9.1%0.0%16.7%-0.0%0.3%29.7M-1.44B-18.8M1.244.7349,90862,0313,345,1772,057,748
2007-05-23$15.44$15.8316.4%4.7%9.0%0.0%16.9%0.3%0.2%26.5M-1.45B-18.9M1.335.1878,441104,3343,367,2602,043,324
2007-05-24$15.55$15.8316.2%4.7%9.6%0.0%16.8%0.9%0.0%36.1M-1.58B-19.5M0.874.5534,20029,7273,400,6352,026,464
2007-05-25$15.64$15.8315.0%4.3%9.7%0.0%15.0%0.2%0.8%41.2M-1.70B-19.0M0.215.4680,22917,0823,416,1542,030,901
2007-05-29$15.65$15.8315.4%4.4%9.4%0.0%15.6%0.6%0.4%39.9M-1.71B-18.9M0.165.69175,96527,3663,435,5342,021,247
2007-05-30$15.71$15.8315.9%4.6%8.9%0.0%16.0%-0.7%-0.3%43.0M-1.78B-19.2M0.353.7169,86124,3033,479,9432,031,651
2007-05-31$15.87$15.8314.0%4.0%9.8%0.0%14.1%0.9%1.4%62.5M-2.04B-19.3M0.154.00256,02039,3153,508,8422,020,845