IWM Options History — December 2008

In December 2008, IWM traded between $42.02 and $49.24. ATM implied volatility averaged 57.8%, placing in the 48.8% IV rank vs the trailing year. The 30-day expected move averaged 16.5%. IV traded below realized volatility by 22.3% (HV 20d: 80.1%). Max pain ranged from $55.00 to $70.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 13 of 22 days. Put/call ratio averaged 1.37.

Notable Days

  • 2008-12-22: Highest Volume — 484,768 contracts
  • 2008-12-29: Largest IV spike — 24.9% change
  • 2008-12-01: Highest IV Rank — 67.8%
  • 2008-12-01: Largest Expected Move — 20.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$46.79$42.02$49.24$42.02$49.24
Max Pain$62.77$55.00$70.00$70.00$55.00
ATM IV57.8%45.6%72.7%72.7%45.6%
Expected Move16.5%13.1%20.9%20.9%13.1%
HV 20d80.1%49.6%91.9%86.7%49.6%
HV 60d78.1%76.1%79.5%76.1%76.7%
IV Rank48.8%33.3%67.8%67.8%33.3%
IV Percentile84.1%74.6%95.6%95.6%74.6%
Term Structure0.4%-2.1%2.6%-2.1%1.4%
VWIV58.6%46.0%74.5%74.5%46.0%
Skew 25d11.7%7.1%16.2%16.2%7.1%
Skew 10d21.4%13.8%30.4%30.4%13.8%
Call IV 25d51.8%41.7%65.0%65.0%41.7%
Put IV 25d63.5%48.8%81.2%81.2%48.8%
Bid-Ask Spread %6.342.799.139.062.79
Gamma HHI0.060.050.100.060.10
Net GEX-64.2M-77.3M-53.8M-64.8M-62.6M
Net DEX6.52B4.36B8.21B8.21B4.36B
Net VEX-24.9M-28.6M-21.0M-21.0M-22.5M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.370.383.251.121.15
Total Volume276,379.31867,267484,768265,312213,461
Total OI5,738,713.2275,004,3176,381,5435,538,7435,004,317

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2008-12-01$42.02$70.0072.7%20.9%86.7%67.8%74.5%16.2%-2.1%-64.8M8.21B-21.0M1.129.06125,000140,3122,312,3743,226,369
2008-12-02$44.23$70.0069.0%19.8%89.5%63.0%72.2%16.1%-1.4%-65.4M7.69B-23.8M0.947.05113,581106,5152,367,2633,269,896
2008-12-03$45.57$70.0066.4%19.0%90.3%59.7%65.0%15.5%-1.4%-63.3M7.25B-25.2M1.198.07128,679153,0282,390,5633,270,663
2008-12-04$44.06$70.0069.2%19.8%89.2%63.2%70.0%15.6%-1.0%-62.8M7.49B-24.3M2.189.13116,183253,0782,428,7763,310,336
2008-12-05$46.10$69.0064.5%18.5%90.3%57.3%68.1%14.0%-0.4%-63.8M7.11B-26.6M1.307.79136,068177,3722,472,2643,360,144
2008-12-08$48.14$69.0063.6%18.2%91.5%56.1%66.8%13.7%-0.5%-58.7M6.22B-28.6M2.357.5692,587217,4002,483,3143,398,404
2008-12-09$46.65$69.0065.1%18.3%91.8%58.1%63.0%13.5%0.2%-62.5M6.62B-27.5M1.776.45112,899200,1302,509,0383,431,559
2008-12-10$47.75$62.0058.6%17.2%91.9%49.8%60.2%13.6%-0.5%-65.1M6.48B-27.7M1.226.00123,217150,6172,526,6273,454,358
2008-12-11$45.33$62.0062.1%17.8%91.3%54.2%60.5%13.1%-0.6%-74.4M7.47B-25.4M1.476.16141,600208,8292,575,4123,489,876
2008-12-12$46.89$62.0059.7%17.1%87.4%51.2%59.9%13.3%0.6%-68.2M6.54B-27.4M1.225.85108,123132,4232,622,0963,551,250
2008-12-15$45.38$62.0062.4%17.9%83.7%54.6%61.4%13.5%-0.2%-77.3M7.19B-25.1M1.065.91158,232168,4502,637,8353,565,724
2008-12-16$48.33$62.0056.6%16.2%86.6%47.3%61.7%11.7%1.2%-61.7M6.22B-27.1M1.665.50123,106204,7372,677,8743,593,952
2008-12-17$48.77$61.0054.0%15.5%86.5%43.9%58.1%10.7%1.5%-53.8M6.02B-26.8M2.045.10133,555272,0362,680,3913,585,087
2008-12-18$48.46$61.0052.3%15.0%80.1%41.8%52.9%10.8%2.6%-60.3M5.99B-26.5M1.016.46142,739144,7752,703,0883,631,503
2008-12-19$48.70$60.0048.6%13.9%74.5%37.1%49.5%9.5%1.6%-62.0M6.18B-25.7M0.985.13196,966193,5452,750,1883,631,355
2008-12-22$47.76$60.0048.4%13.9%73.6%36.9%50.3%9.2%2.3%-59.3M6.62B-24.1M0.384.41352,560132,2082,342,4913,026,044
2008-12-23$46.71$60.0049.6%14.2%70.7%38.4%49.7%8.3%2.0%-69.7M7.31B-22.9M1.164.8482,53995,6582,325,0733,069,192
2008-12-24$46.88$59.0050.0%14.3%70.6%38.9%49.7%8.7%1.0%-63.1M6.29B-23.2M0.827.5036,98530,2822,349,8762,898,287
2008-12-26$47.55$57.0045.9%13.8%67.7%33.7%48.8%8.4%1.0%-66.6M5.67B-22.8M0.896.7444,14039,2592,356,2022,791,693
2008-12-29$46.82$56.0057.3%14.6%67.8%48.1%52.7%7.3%0.2%-70.4M5.77B-21.7M3.254.2154,333176,4112,360,8042,776,807
2008-12-30$48.12$55.0050.2%13.8%51.9%39.1%48.5%7.5%0.8%-55.8M4.79B-22.0M1.047.8171,91874,8092,355,3072,688,019
2008-12-31$49.24$55.0045.6%13.1%49.6%33.3%46.0%7.1%1.4%-62.6M4.36B-22.5M1.152.7999,256114,2052,342,3212,661,996