WMT Options History — March 2007

In March 2007, WMT traded between $15.24 and $16.01. ATM implied volatility averaged 17.0%. The 30-day expected move averaged 4.8%. IV traded below realized volatility by 2.8% (HV 20d: 19.8%). Max pain ranged from $15.83 to $16.67. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 21 of 22 days. Put/call ratio averaged 1.03.

Notable Days

  • 2007-03-13: Highest Volume — 439,101 contracts
  • 2007-03-13: Largest IV spike — 56.4% change
  • 2007-03-14: Largest Expected Move — 6.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$15.74$15.24$16.01$15.96$15.65
Max Pain$16.21$15.83$16.67$15.83$15.83
ATM IV17.0%13.5%25.1%18.4%15.1%
Expected Move4.8%3.9%6.0%5.3%4.3%
HV 20d19.8%14.3%22.6%20.6%15.5%
HV 60d16.4%16.0%16.7%16.2%16.1%
Term Structure1.7%-0.5%3.8%0.3%2.9%
VWIV16.6%13.2%20.1%18.5%15.8%
Skew 25d2.7%-0.1%5.8%3.7%5.8%
Skew 10d6.2%-3.6%17.9%6.9%9.0%
Call IV 25d15.8%11.6%27.9%16.5%11.6%
Put IV 25d18.5%14.8%28.0%20.2%17.4%
Bid-Ask Spread %5.792.7415.5910.185.70
Gamma HHI0.180.130.220.180.21
Net GEX39.1M9.0M61.5M37.8M52.4M
Net DEX-1.48B-1.93B-684.5M-1.69B-1.45B
Net VEX-18.0M-18.6M-17.3M-18.3M-18.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.030.233.231.440.85
Total Volume124,417.77335,049439,101148,26953,100
Total OI4,818,099.6824,388,5234,941,7624,776,3784,887,219

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2007-03-01$15.96$15.8318.4%5.3%20.6%0.0%18.5%3.7%0.3%37.8M-1.69B-18.3M1.4410.1860,66987,6002,993,2831,783,095
2007-03-02$15.94$15.8319.0%5.5%20.6%0.0%17.3%0.1%-0.5%31.8M-1.83B-18.6M2.744.2417,08246,8422,997,7591,826,946
2007-03-05$15.82$16.6720.5%5.5%20.6%0.0%19.1%2.3%0.7%30.7M-1.61B-18.6M0.787.9653,31041,4812,997,8701,850,292
2007-03-06$16.01$16.6718.2%5.3%20.8%0.0%16.9%2.8%0.5%32.9M-1.83B-18.5M0.505.3875,54937,4613,000,0571,868,145
2007-03-07$15.98$16.6717.6%5.1%20.8%0.0%17.3%2.1%0.6%35.5M-1.73B-17.8M0.814.7090,53173,2303,012,1051,851,762
2007-03-08$15.96$16.6718.0%5.0%20.8%0.0%17.4%2.2%1.2%31.5M-1.60B-17.9M0.235.99120,36027,5403,021,0781,875,261
2007-03-09$15.81$16.6715.1%4.9%21.0%0.0%17.2%2.7%1.2%30.3M-1.44B-17.9M0.625.9057,85835,8353,050,9071,878,759
2007-03-12$15.75$16.6716.0%4.9%20.9%0.0%17.7%3.1%1.2%25.2M-1.27B-17.3M0.665.2535,02522,9983,017,9461,902,381
2007-03-13$15.39$16.6725.1%5.5%22.3%0.0%18.4%2.6%0.6%20.3M-819.0M-17.3M0.255.28350,16988,9323,019,8691,902,762
2007-03-14$15.24$16.6721.3%6.0%22.4%0.0%20.1%3.2%0.5%9.0M-684.5M-17.4M1.034.6787,87390,8582,997,8881,943,874
2007-03-15$15.33$16.6719.9%5.7%22.6%0.0%19.7%2.8%0.7%24.4M-901.6M-17.6M3.234.9624,09377,8173,030,2611,899,462
2007-03-16$15.40$16.6720.2%5.8%22.2%0.0%19.1%3.7%0.7%26.7M-1.01B-17.6M1.084.8449,80653,6343,030,5761,883,457
2007-03-19$15.53$15.8316.3%4.7%22.5%0.0%16.9%3.0%2.1%30.8M-1.30B-17.5M0.303.71147,00944,1002,738,9461,649,577
2007-03-20$15.77$15.8314.2%4.1%18.7%0.0%14.7%3.9%2.0%43.3M-1.55B-17.5M0.683.91137,12793,0302,827,7401,663,545
2007-03-21$15.92$15.8313.8%4.0%19.2%0.0%13.9%2.5%3.0%55.7M-1.78B-17.7M0.5115.5959,11530,3002,925,3271,698,978
2007-03-22$16.00$15.8313.5%3.9%19.3%0.0%13.2%1.5%3.8%58.8M-1.93B-17.8M0.806.25135,459108,9992,949,7921,715,055
2007-03-23$15.97$15.8313.6%3.9%19.3%0.0%14.4%2.0%3.6%61.2M-1.86B-18.6M1.635.6413,33521,7143,054,0391,796,229
2007-03-26$15.95$15.8314.6%4.2%19.0%0.0%14.2%3.3%2.6%61.5M-1.87B-18.5M0.512.7425,96213,2513,054,1561,796,904
2007-03-27$15.83$15.8314.2%4.1%14.3%0.0%13.7%1.1%2.9%59.0M-1.66B-18.4M1.653.2615,51625,6593,053,0551,801,875
2007-03-28$15.55$15.8314.6%4.2%15.5%0.0%15.5%-0.1%3.2%49.9M-1.31B-18.4M0.705.1638,13326,6163,058,4611,808,994
2007-03-29$15.57$15.8314.1%4.0%15.3%0.0%14.9%4.3%3.5%52.1M-1.36B-18.5M1.586.0316,36525,8483,066,4381,816,068
2007-03-30$15.65$15.8315.1%4.3%15.5%0.0%15.8%5.8%2.9%52.4M-1.45B-18.5M0.855.7028,71624,3843,065,6581,821,561