WMT Options History — October 2009

In October 2009, WMT traded between $16.33 and $17.30. ATM implied volatility averaged 17.4%, placing in the 5.8% IV rank vs the trailing year. The 30-day expected move averaged 5.3%. IV traded above realized volatility by 3.4% (HV 20d: 14.0%). Max pain ranged from $16.67 to $16.67. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 0.75.

Notable Days

  • 2009-10-19: Highest Volume — 289,749 contracts
  • 2009-10-15: Largest IV spike — 22.3% change
  • 2009-10-30: Highest IV Rank — 11.2%
  • 2009-10-30: Largest Expected Move — 5.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$16.71$16.33$17.30$16.33$16.56
Max Pain$16.67$16.67$16.67$16.67$16.67
ATM IV17.4%13.9%19.7%17.9%19.7%
Expected Move5.3%4.8%5.6%5.1%5.6%
HV 20d14.0%12.5%16.1%14.1%15.1%
HV 60d13.0%12.3%13.9%12.6%13.9%
IV Rank5.8%0.0%11.2%4.0%11.2%
IV Percentile11.9%0.0%27.8%10.3%27.8%
Term Structure0.8%0.1%1.9%1.8%0.6%
VWIV18.6%17.1%20.1%18.2%20.1%
Skew 25d1.4%0.4%2.4%0.4%1.4%
Skew 10d3.3%0.7%5.2%1.8%3.8%
Call IV 25d18.2%16.4%19.8%18.6%19.8%
Put IV 25d19.6%17.8%21.7%18.9%21.2%
Bid-Ask Spread %2.952.094.353.213.09
Gamma HHI0.200.160.260.160.20
Net GEX18.0M4.2M31.1M9.9M4.2M
Net DEX-73.5M-509.4M205.9M176.9M116.2M
Net VEX-8.0M-8.3M-7.6M-7.9M-8.3M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.750.291.540.681.05
Total Volume144,879.68270,002289,749147,75099,279
Total OI3,411,077.8643,164,5593,647,9763,274,9143,647,976

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2009-10-01$16.33$16.6717.9%5.1%14.1%4.0%18.2%0.4%1.8%9.9M176.9M-7.9M0.683.2187,94559,8051,781,3281,493,586
2009-10-02$16.36$16.6717.7%5.1%12.5%3.8%18.0%0.5%1.9%10.2M187.8M-8.0M1.212.8531,63538,3671,792,5481,505,052
2009-10-05$16.35$16.6717.6%5.6%12.5%3.5%20.0%2.4%0.6%8.9M205.9M-7.9M0.494.3151,32125,1971,798,3771,516,950
2009-10-06$16.49$16.6717.5%5.6%13.1%3.4%19.8%2.3%0.2%13.4M78.0M-8.0M0.562.1483,86246,8001,809,6211,525,818
2009-10-07$16.50$16.6717.0%5.4%13.0%2.5%19.2%2.2%0.6%16.9M78.4M-8.1M0.292.0981,21323,8291,837,0561,537,380
2009-10-08$16.58$16.6715.5%5.3%13.2%0.0%18.8%2.2%0.4%21.6M22.8M-8.1M0.542.4586,38246,5721,838,0731,547,223
2009-10-09$16.66$16.6713.9%5.2%13.2%0.0%18.1%1.8%0.5%29.1M-74.2M-8.0M0.622.6868,29242,5911,829,4631,544,286
2009-10-12$16.54$16.6715.8%5.1%13.3%3.3%17.9%1.8%0.8%20.6M72.8M-7.6M0.523.2487,84646,0891,823,3641,545,087
2009-10-13$16.78$16.6714.7%5.1%14.0%1.6%17.8%2.1%0.8%31.1M-199.5M-7.7M0.544.3580,24143,3711,880,3761,551,348
2009-10-14$16.73$16.6714.4%5.0%14.0%1.0%18.0%1.9%0.7%24.7M-134.2M-7.6M0.753.1755,06541,3461,842,7531,554,708
2009-10-15$16.98$16.6717.6%5.0%14.9%7.2%17.4%1.9%0.7%25.0M-369.2M-7.7M0.642.93113,66172,3241,848,9361,563,918
2009-10-16$17.07$16.6717.6%5.0%15.0%7.2%17.1%1.8%0.6%22.3M-467.8M-7.8M0.434.33102,73843,8031,861,7851,600,722
2009-10-19$17.30$16.6716.6%4.8%14.7%5.4%17.2%1.1%0.6%31.0M-509.4M-7.7M0.863.68155,460134,2891,695,2401,469,319
2009-10-20$17.23$16.6717.6%5.0%14.7%7.2%18.1%1.1%0.1%31.0M-452.2M-8.0M0.953.1463,84660,8911,772,8621,518,597
2009-10-21$16.88$16.6718.6%5.3%16.1%9.2%18.7%0.8%0.6%21.1M-170.7M-8.0M0.712.44111,34279,3321,799,2501,532,019
2009-10-22$16.83$16.6718.4%5.3%16.0%8.8%18.6%0.4%0.9%18.4M-132.8M-7.9M0.632.19161,655101,1061,815,5761,562,919
2009-10-23$16.81$16.6718.8%5.4%13.1%9.5%19.1%0.9%1.0%17.4M-119.5M-8.3M0.752.46113,25084,8041,869,4981,595,829
2009-10-26$16.61$16.6719.2%5.5%13.9%10.2%19.6%0.8%0.5%10.3M38.2M-8.0M1.542.4665,142100,6321,911,1921,623,573
2009-10-27$16.62$16.6719.0%5.4%13.8%9.9%19.5%1.1%0.5%8.9M44.1M-8.2M0.572.3366,93637,8871,910,9731,665,186
2009-10-28$16.63$16.6719.5%5.6%13.7%10.9%19.9%1.0%0.8%9.1M37.8M-8.3M1.232.9588,476108,6961,928,5381,679,208
2009-10-29$16.80$16.6718.4%5.3%14.0%8.7%18.8%1.2%1.1%11.6M-45.8M-8.2M0.942.3548,53145,5041,913,3311,702,869
2009-10-30$16.56$16.6719.7%5.6%15.1%11.2%20.1%1.4%0.6%4.2M116.2M-8.3M1.053.0948,47450,8051,932,0241,715,952