WMT Options History — April 2009

In April 2009, WMT traded between $15.96 and $17.93. ATM implied volatility averaged 32.6%, placing in the 25.7% IV rank vs the trailing year. The 30-day expected move averaged 9.5%. IV traded above realized volatility by 6.4% (HV 20d: 26.3%). Max pain ranged from $16.67 to $16.67. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 2 of 21 days. Put/call ratio averaged 0.71.

Notable Days

  • 2009-04-09: Highest Volume — 337,263 contracts
  • 2009-04-03: Largest IV drop — 10.6% change
  • 2009-04-14: Highest IV Rank — 31.1%
  • 2009-04-14: Largest Expected Move — 10.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$16.93$15.96$17.93$17.61$16.80
Max Pain$16.67$16.67$16.67$16.67$16.67
ATM IV32.6%28.8%35.7%31.9%31.4%
Expected Move9.5%8.9%10.2%9.1%9.0%
HV 20d26.3%22.9%30.5%30.5%27.3%
HV 60d32.5%31.1%35.1%34.9%32.6%
IV Rank25.7%19.0%31.1%24.4%23.6%
IV Percentile51.9%34.9%67.5%50.8%41.3%
Term Structure-1.2%-2.8%2.7%2.7%-1.7%
VWIV33.1%31.4%35.3%32.5%31.7%
Skew 25d4.5%2.7%7.7%3.4%3.6%
Skew 10d8.6%5.7%15.3%8.1%6.2%
Call IV 25d31.1%28.9%32.9%30.8%29.7%
Put IV 25d35.6%33.1%38.1%34.2%33.3%
Bid-Ask Spread %3.362.574.602.574.34
Gamma HHI0.150.110.190.170.13
Net GEX18.9M3.3M33.2M25.9M16.2M
Net DEX-198.7M-693.7M245.3M-510.8M-102.0M
Net VEX-8.2M-9.2M-7.2M-8.6M-8.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.710.381.430.610.43
Total Volume139,262.14355,371337,263202,71377,253
Total OI2,672,753.2862,406,7622,921,8892,520,2432,671,812

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2009-04-01$17.61$16.6731.9%9.1%30.5%24.4%32.5%3.4%2.7%25.9M-510.8M-8.6M0.612.57126,12676,5871,442,1781,078,065
2009-04-02$17.88$16.6732.2%9.2%29.7%25.0%31.4%3.6%2.4%31.3M-664.6M-8.9M0.513.02153,06678,0181,503,5791,101,081
2009-04-03$17.93$16.6728.8%8.9%28.7%19.0%31.4%7.7%-0.9%33.2M-693.7M-9.2M0.603.5280,69148,4861,545,9301,131,873
2009-04-06$17.81$16.6731.0%9.7%26.2%22.9%33.4%7.4%-1.6%33.2M-633.7M-9.1M1.433.2622,80032,5711,584,6421,153,374
2009-04-07$17.46$16.6731.2%9.7%26.8%23.1%34.5%7.1%-1.2%28.6M-455.8M-8.9M0.442.6385,39837,3081,576,7911,148,211
2009-04-08$17.54$16.6732.6%9.7%24.5%25.7%32.9%6.6%-1.5%31.4M-511.3M-9.0M0.383.55139,23053,3071,588,0801,154,271
2009-04-09$16.89$16.6735.1%10.1%27.0%30.1%34.6%4.5%-1.3%22.1M-183.2M-8.6M0.634.60207,390129,8731,663,7611,174,275
2009-04-13$17.18$16.6733.8%9.7%27.5%27.7%34.6%4.8%-1.6%30.4M-349.0M-8.7M0.802.9250,87440,7461,697,7991,205,448
2009-04-14$17.04$16.6735.7%10.2%27.5%31.1%35.3%4.6%-2.2%23.4M-247.3M-8.4M0.763.6156,83543,3981,686,2731,210,236
2009-04-15$17.10$16.6733.4%9.6%26.2%27.0%34.2%4.3%-1.6%24.7M-267.4M-8.5M0.792.7959,50246,8541,701,0151,220,874
2009-04-16$16.93$16.6732.8%9.4%26.4%26.0%32.3%3.7%-1.1%15.7M-170.2M-8.1M0.512.7895,01948,2401,670,9371,198,200
2009-04-17$16.73$16.6731.9%9.1%26.5%24.4%31.4%4.7%-0.1%15.1M-106.3M-8.0M0.602.9473,58444,2201,676,4361,207,053
2009-04-20$16.42$16.6734.4%9.9%27.2%28.8%35.0%4.2%-1.8%10.1M30.1M-7.7M0.972.6869,35767,0501,340,5411,066,221
2009-04-21$16.61$16.6732.5%9.3%23.8%25.4%32.7%3.8%-1.6%11.1M-15.5M-7.7M0.782.9249,29638,4211,360,5961,094,901
2009-04-22$16.32$16.6733.1%9.5%24.3%26.6%33.9%3.6%-1.2%8.0M91.0M-7.5M0.853.8848,42941,2051,371,6631,105,800
2009-04-23$16.29$16.6731.5%9.0%23.8%23.7%32.5%3.6%-1.0%7.2M122.7M-7.4M0.634.2371,31644,5921,376,8741,118,274
2009-04-24$15.96$16.6731.7%9.1%22.9%24.1%31.5%2.7%-1.3%3.3M245.3M-7.2M0.933.2375,85270,8601,396,7971,136,502
2009-04-27$16.17$16.6733.9%9.7%23.8%27.9%33.2%3.5%-2.6%5.5M163.6M-7.3M0.933.1552,19148,7771,410,9781,156,209
2009-04-28$16.16$16.6734.6%9.9%23.4%29.1%33.9%3.6%-2.8%6.1M175.6M-7.3M0.923.4476,01170,0081,421,8861,161,726
2009-04-29$16.82$16.6732.1%9.2%27.9%24.7%32.5%3.4%-2.6%14.5M-90.0M-7.9M0.504.40129,11164,6531,436,7541,179,903
2009-04-30$16.80$16.6731.4%9.0%27.3%23.6%31.7%3.6%-1.7%16.2M-102.0M-8.0M0.434.3454,01523,2381,479,3121,192,500