IWM Options History — May 2008

In May 2008, IWM traded between $71.50 and $74.67. ATM implied volatility averaged 21.3%, placing in the 33.6% IV rank vs the trailing year. The 30-day expected move averaged 6.3%. IV traded above realized volatility by 3.7% (HV 20d: 17.5%). Max pain ranged from $71.00 to $74.00. Net GEX was positive for 3 of 21 trading days. Term structure was in contango for 21 of 21 days. Put/call ratio averaged 2.18.

Notable Days

  • 2008-05-16: Highest Volume — 765,554 contracts
  • 2008-05-05: Largest IV spike — 12.0% change
  • 2008-05-27: Highest IV Rank — 40.9%
  • 2008-05-09: Largest Expected Move — 6.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$73.07$71.50$74.67$72.75$74.67
Max Pain$72.33$71.00$74.00$71.00$72.00
ATM IV21.3%19.4%22.9%21.2%19.4%
Expected Move6.3%5.6%6.8%6.1%5.6%
HV 20d17.5%14.4%20.6%20.3%15.2%
HV 60d26.6%25.9%27.3%27.3%25.9%
IV Rank33.6%25.2%40.9%33.2%25.2%
IV Percentile23.8%10.3%30.6%26.2%10.3%
Term Structure0.7%0.2%2.0%1.2%0.9%
VWIV22.8%20.6%25.2%23.1%22.0%
Skew 25d5.5%4.1%6.0%4.2%5.4%
Skew 10d10.2%7.7%11.3%7.9%10.8%
Call IV 25d19.2%17.2%20.7%19.6%17.2%
Put IV 25d24.7%22.4%26.5%23.7%22.6%
Bid-Ask Spread %4.633.2010.573.346.40
Gamma HHI0.090.070.270.070.08
Net GEX-206.0M-447.6M257.6M-103.4M-262.6M
Net DEX992.3M-3.42B5.00B-631.8M17.3M
Net VEX-64.8M-70.4M-59.7M-59.7M-68.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio2.181.033.323.321.78
Total Volume469,348.333200,057765,554668,031220,708
Total OI6,836,537.2865,435,8517,917,6366,702,5986,714,013

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2008-05-01$72.75$71.0021.2%6.1%20.3%33.2%23.1%4.2%1.2%-103.4M-631.8M-59.7M3.323.34154,579513,4522,532,2354,170,363
2008-05-02$72.52$71.0019.7%5.6%20.3%26.5%20.6%4.1%2.0%-133.7M-91.7M-60.2M3.133.20107,810337,2642,550,1374,218,072
2008-05-05$72.27$71.0022.0%6.6%20.3%37.1%23.1%5.8%0.5%-205.0M1.12B-61.4M1.654.8475,410124,6472,556,0614,372,173
2008-05-06$72.86$71.0020.8%6.4%20.5%31.7%23.1%6.0%0.3%-135.5M-77.4M-61.5M2.114.30200,717423,9382,574,6584,403,430
2008-05-07$71.56$72.0022.6%6.7%20.6%39.3%25.2%5.8%0.3%-324.0M2.95B-63.8M3.185.03140,170446,1332,629,3874,601,621
2008-05-08$71.71$72.0021.5%6.6%20.4%34.8%25.1%5.5%0.5%-447.6M3.45B-62.7M1.034.28213,576219,4952,632,2324,722,800
2008-05-09$71.50$72.0021.9%6.8%18.1%36.6%23.3%5.8%0.6%-320.6M2.48B-63.4M1.744.73191,385333,5492,690,8484,692,840
2008-05-12$73.07$73.0021.7%6.4%19.3%35.6%23.9%5.7%0.4%-86.5M-548.9M-62.6M1.913.95155,229296,6142,751,5734,816,432
2008-05-13$73.49$73.0020.4%6.3%19.2%29.8%22.1%5.8%0.4%2.1M-1.78B-61.3M1.054.13261,495274,1932,767,9824,847,150
2008-05-14$73.40$73.0020.2%6.4%16.1%28.7%22.6%5.9%0.4%-13.3M-1.54B-62.7M2.024.00170,224344,1732,831,3604,902,605
2008-05-15$73.55$73.0021.1%6.1%16.0%33.0%21.9%6.0%0.2%73.7M-3.42B-62.4M1.594.24109,027173,3182,835,4884,999,439
2008-05-16$73.95$73.0021.6%6.2%15.7%35.2%22.5%5.6%0.4%257.6M-2.67B-63.0M1.575.18297,363468,1912,845,1785,072,458
2008-05-19$73.97$73.0021.3%6.1%15.7%33.7%22.9%5.5%0.6%-242.8M1.58B-64.8M3.314.40105,886350,4061,873,4573,562,394
2008-05-20$73.70$73.0020.8%6.0%14.4%31.8%21.9%5.5%0.9%-289.5M2.17B-66.3M1.663.39208,486345,5121,936,5023,711,282
2008-05-21$72.65$73.0021.7%6.2%15.5%35.4%22.0%5.1%0.9%-345.3M3.60B-68.9M2.713.81128,418347,7002,073,0853,869,325
2008-05-22$73.17$74.0021.1%6.0%15.4%32.9%21.7%4.7%1.1%-357.1M3.41B-69.6M2.523.90142,613359,8862,119,4513,982,408
2008-05-23$72.21$73.0022.7%6.5%15.9%39.8%23.3%5.1%0.7%-413.0M5.00B-70.4M3.103.61105,135325,8372,197,5034,067,755
2008-05-27$73.32$72.0022.9%6.6%16.6%40.9%23.8%5.8%0.5%-359.1M3.03B-69.4M2.295.31113,227259,5592,231,0494,132,141
2008-05-28$73.66$72.0021.2%6.1%16.3%33.2%22.4%5.8%0.8%-331.7M2.07B-69.4M1.814.5781,427147,2342,282,6614,205,668
2008-05-29$74.41$72.0020.8%6.0%16.4%31.8%21.9%5.7%1.3%-288.3M726.6M-67.9M2.2110.57181,315401,0142,297,8924,294,175
2008-05-30$74.67$72.0019.4%5.6%15.2%25.2%22.0%5.4%0.9%-262.6M17.3M-68.9M1.786.4079,396141,3122,395,2894,318,724