WMT Options History — February 2007

In February 2007, WMT traded between $15.91 and $16.75. ATM implied volatility averaged 15.7%. The 30-day expected move averaged 4.6%. IV traded above realized volatility by 1.9% (HV 20d: 13.8%). Max pain ranged from $15.83 to $15.83. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 5 of 19 days. Put/call ratio averaged 0.65.

Notable Days

  • 2007-02-20: Highest Volume — 463,101 contracts
  • 2007-02-27: Largest IV spike — 28.5% change
  • 2007-02-27: Largest Expected Move — 5.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$16.21$15.91$16.75$15.93$16.10
Max Pain$15.83$15.83$15.83$15.83$15.83
ATM IV15.7%13.5%19.0%15.1%18.4%
Expected Move4.6%3.9%5.5%4.3%5.3%
HV 20d13.8%11.1%20.8%11.9%20.5%
Term Structure-0.3%-1.3%1.7%1.7%0.3%
VWIV15.9%13.7%19.0%15.0%18.3%
Skew 25d2.4%-2.6%5.8%-2.6%3.3%
Skew 10d5.1%-5.1%10.0%-5.1%8.9%
Call IV 25d14.5%10.1%17.5%15.5%16.6%
Put IV 25d16.9%12.9%19.9%12.9%19.9%
Bid-Ask Spread %6.123.1011.913.205.01
Gamma HHI0.250.180.300.250.18
Net GEX38.5M27.2M48.0M31.4M43.8M
Net DEX-2.10B-2.56B-1.77B-1.78B-1.92B
Net VEX-16.0M-18.2M-14.6M-16.0M-18.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.650.211.020.771.02
Total Volume107,510.05337,833463,10137,83395,835
Total OI4,337,519.0534,096,1224,736,9644,128,2134,736,964

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2007-02-01$15.93$15.8315.1%4.3%11.9%0.0%15.0%-2.6%1.7%31.4M-1.78B-16.0M0.773.2021,39916,4342,591,6041,536,609
2007-02-02$16.03$15.8314.8%5.0%12.0%0.0%17.5%2.8%-0.2%33.5M-1.89B-15.9M0.495.3744,74221,8822,590,7191,541,682
2007-02-05$16.17$15.8315.5%5.0%12.0%0.0%16.1%2.6%-0.5%40.3M-2.06B-15.4M0.445.2561,44026,9192,611,8241,546,611
2007-02-06$16.19$15.8315.1%5.0%11.4%0.0%16.8%2.3%-0.9%40.6M-2.13B-15.1M0.806.2128,40422,7612,639,1841,562,040
2007-02-07$16.19$15.8313.9%4.9%11.2%0.0%15.8%2.1%-0.5%35.9M-2.07B-15.5M0.766.7838,85329,3792,650,9291,571,400
2007-02-08$16.10$15.8316.6%4.7%11.4%0.0%16.2%2.1%-0.7%38.4M-2.04B-15.5M0.556.7226,60414,5472,662,9081,593,096
2007-02-09$15.99$15.8316.2%4.7%11.5%0.0%16.0%2.4%0.3%31.9M-1.86B-15.9M0.965.7723,83522,8872,675,1781,598,712
2007-02-12$15.91$15.8316.9%4.8%11.3%0.0%16.3%1.9%-0.4%27.2M-1.77B-15.9M0.986.0120,38219,9952,678,8021,611,108
2007-02-13$15.99$15.8316.5%4.7%11.1%0.0%15.5%3.1%-0.5%29.1M-1.85B-16.1M0.308.8082,55724,7562,685,8671,624,842
2007-02-14$15.96$15.8316.6%4.7%11.1%0.0%16.4%1.4%-0.7%30.3M-1.86B-16.1M0.677.4046,62031,4072,746,2751,636,239
2007-02-15$16.12$15.8316.4%4.7%11.7%0.0%15.7%3.2%-0.1%32.0M-2.07B-15.8M0.755.1660,02445,0632,730,4261,643,967
2007-02-16$16.16$15.8315.9%4.6%11.7%0.0%15.0%2.3%-0.8%41.6M-2.13B-15.5M0.355.6148,52516,7732,757,6571,628,307
2007-02-20$16.75$15.8314.4%4.1%17.0%0.0%14.7%1.2%-0.8%43.8M-2.56B-14.6M0.7111.91270,954192,1472,581,0891,515,033
2007-02-21$16.66$15.8314.2%4.1%17.1%0.0%14.5%0.7%-0.6%45.4M-2.55B-15.9M0.333.2970,32922,8962,766,1381,672,878
2007-02-22$16.56$15.8313.5%3.9%16.4%0.0%13.7%3.7%-0.1%48.0M-2.42B-16.1M0.883.1034,61730,3992,772,5131,652,097
2007-02-23$16.52$15.8314.2%4.1%16.0%0.0%14.3%4.4%0.1%46.5M-2.34B-16.3M0.615.7367,86941,5262,788,8121,667,997
2007-02-26$16.66$15.8314.8%4.2%15.6%0.0%15.2%5.8%0.5%47.3M-2.51B-16.3M0.213.41162,06033,6092,813,9311,698,243
2007-02-27$16.07$15.8319.0%5.5%20.8%0.0%19.0%2.2%-1.3%45.3M-2.01B-17.7M0.7811.47126,15098,1122,922,3991,708,782
2007-02-28$16.10$15.8318.4%5.3%20.5%0.0%18.3%3.3%0.3%43.8M-1.92B-18.2M1.025.0147,45148,3842,987,3461,749,618