WMT Options History — February 2009

In February 2009, WMT traded between $15.47 and $16.82. ATM implied volatility averaged 34.9%, placing in the 29.6% IV rank vs the trailing year. The 30-day expected move averaged 9.9%. IV traded above realized volatility by 0.3% (HV 20d: 34.6%). Max pain ranged from $16.67 to $17.50. Net GEX was positive for 15 of 19 trading days. Term structure was in contango for 8 of 19 days. Put/call ratio averaged 0.79.

Notable Days

  • 2009-02-20: Highest Volume — 315,777 contracts
  • 2009-02-26: Largest IV spike — 10.2% change
  • 2009-02-10: Highest IV Rank — 35.5%
  • 2009-02-02: Largest Expected Move — 10.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$16.20$15.47$16.82$15.52$16.41
Max Pain$17.11$16.67$17.50$16.67$16.67
ATM IV34.9%30.4%38.2%37.7%32.1%
Expected Move9.9%8.7%10.8%10.8%9.2%
HV 20d34.6%29.3%39.2%29.8%39.2%
HV 60d35.9%33.2%37.5%36.1%33.2%
IV Rank29.6%21.9%35.5%34.7%24.8%
IV Percentile66.5%50.8%76.2%75.8%56.0%
Term Structure-0.2%-1.9%1.0%-0.7%-0.1%
VWIV35.3%32.1%38.6%38.6%34.3%
Skew 25d7.8%6.3%9.3%6.7%7.4%
Skew 10d16.0%12.9%20.4%12.9%15.5%
Call IV 25d31.6%28.5%35.9%35.9%30.5%
Put IV 25d39.5%36.7%42.6%42.6%38.0%
Bid-Ask Spread %2.912.114.392.562.73
Gamma HHI0.150.120.490.130.13
Net GEX5.2M-5.4M46.6M-5.4M5.0M
Net DEX221.2M-56.8M480.6M480.6M155.5M
Net VEX-7.0M-7.5M-6.3M-6.3M-7.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.790.461.060.840.80
Total Volume174,031.10558,308315,777126,912166,383
Total OI2,622,024.4742,412,0662,866,8062,412,0662,651,790

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2009-02-02$15.52$16.6737.7%10.8%29.8%34.7%38.6%6.7%-0.7%-5.4M480.6M-6.3M0.842.5669,10857,8041,245,2701,166,796
2009-02-03$15.94$16.6736.1%10.4%32.5%31.9%35.7%6.6%-0.7%-2.8M384.1M-6.6M0.653.3683,61354,6661,272,1981,178,148
2009-02-04$15.47$16.6737.6%10.8%33.4%34.4%37.8%6.7%-1.9%-4.4M479.6M-6.4M0.642.20119,98877,2921,301,3641,180,584
2009-02-05$16.19$16.6734.3%9.8%38.6%28.7%33.9%6.3%0.3%3.7M237.1M-7.0M0.772.61132,771101,8381,360,6171,186,281
2009-02-06$16.54$17.5032.9%9.4%29.3%26.2%32.1%8.0%0.4%6.1M117.9M-7.3M0.463.51110,48151,0871,366,5391,216,782
2009-02-09$16.43$17.5034.7%9.6%29.3%29.3%34.8%8.4%0.2%7.0M134.6M-7.2M0.862.7331,42226,8861,405,0591,210,926
2009-02-10$15.91$17.5038.2%10.5%31.1%35.5%36.4%8.7%-0.9%84.4K333.2M-6.9M0.682.8878,52853,0251,407,6361,211,499
2009-02-11$16.08$17.5036.9%10.4%30.9%33.3%35.2%8.2%-0.9%2.0M272.5M-6.9M0.682.9548,23732,6431,428,1981,219,512
2009-02-12$16.04$17.5035.6%10.2%30.8%30.9%37.5%7.9%-0.3%2.0M282.3M-6.9M0.954.3973,45570,1371,441,9651,227,402
2009-02-13$15.51$17.5035.6%10.2%32.6%31.0%37.2%7.6%-0.5%-4.2M471.8M-6.5M0.873.72103,99890,7561,458,3571,250,841
2009-02-17$16.08$17.5036.6%10.5%35.6%32.6%36.0%8.2%-0.6%1.6M263.2M-6.9M0.823.58112,72292,0461,480,8481,278,786
2009-02-18$16.67$17.5034.4%9.8%37.7%28.7%35.4%8.0%0.2%11.2M30.3M-7.2M0.692.30149,619103,9801,483,8331,283,763
2009-02-19$16.82$17.5034.0%9.7%36.3%28.1%34.1%8.1%0.5%12.2M-56.8M-7.5M0.813.15116,39794,8421,517,3791,304,364
2009-02-20$16.67$16.6734.4%9.9%36.4%28.8%35.9%8.8%0.6%46.6M-27.8M-7.4M1.043.03154,839160,9381,542,3991,324,407
2009-02-23$16.29$17.5035.5%10.2%37.2%30.7%38.0%9.3%-0.2%4.4M156.5M-7.3M0.932.1195,56888,4311,282,9351,168,785
2009-02-24$16.67$16.6732.0%9.2%38.0%24.5%33.5%8.3%0.6%6.9M67.7M-7.5M0.662.48138,02191,2301,315,4521,203,198
2009-02-25$16.40$16.6730.4%8.7%38.5%21.9%32.7%8.2%1.0%4.8M156.2M-7.4M1.062.4171,20875,1981,353,2761,250,595
2009-02-26$16.08$16.6733.6%9.6%39.1%27.3%32.2%6.9%0.0%2.3M265.2M-7.2M0.822.6469,94557,4891,372,1281,268,553
2009-02-27$16.41$16.6732.1%9.2%39.2%24.8%34.3%7.4%-0.1%5.0M155.5M-7.5M0.802.7392,37074,0131,373,0311,278,759