EWI Options History — February 2011

In February 2011, EWI traded between $35.72 and $37.84. ATM implied volatility averaged 24.9%, placing in the 7.7% IV rank vs the trailing year. The 30-day expected move averaged 7.2%. IV traded below realized volatility by 1.9% (HV 20d: 26.8%). Max pain ranged from $35.00 to $38.00. Net GEX was positive for 0 of 19 trading days. Term structure was in contango for 16 of 19 days. Put/call ratio averaged 1.40.

Notable Days

  • 2011-02-22: Highest Volume — 126 contracts
  • 2011-02-22: Largest IV spike — 35.0% change
  • 2011-02-24: Highest IV Rank — 19.5%
  • 2011-02-24: Largest Expected Move — 10.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$36.99$35.72$37.84$37.44$37.02
Max Pain$37.53$35.00$38.00$36.00$38.00
ATM IV24.9%17.7%35.1%21.8%25.2%
Expected Move7.2%5.5%10.1%6.3%7.2%
HV 20d26.8%22.0%30.4%29.3%27.6%
HV 60d26.6%24.6%27.8%27.8%24.8%
IV Rank7.7%0.0%19.5%3.1%8.4%
IV Percentile19.3%0.0%75.2%2.8%18.2%
Term Structure4.3%-2.0%8.0%2.3%3.7%
VWIV27.6%23.8%31.5%29.2%26.4%
Skew 25d8.8%6.2%14.0%6.8%6.9%
Skew 10d11.8%3.1%23.4%3.1%9.5%
Call IV 25d20.5%14.9%28.0%22.3%22.5%
Put IV 25d29.4%23.8%37.1%29.1%29.4%
Bid-Ask Spread %60.2929.9180.7456.0129.91
Gamma HHI0.290.180.530.190.35
Net GEX-28.2K-39.5K-14.8K-18.2K-30.0K
Net DEX79.7K-159.7K451.8K-142.0K422.6K
Net VEX-1.8K-2.5K-1.4K-1.5K-2.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.400.173.503.500.26
Total Volume30.57901266354
Total OI747.421589854620854

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2011-02-01$37.44$36.0021.8%6.3%29.3%3.1%29.2%6.8%2.3%-18.2K-142.0K-1.5K0.0056.01N/AN/A063132488
2011-02-02$37.22$36.0019.1%5.5%29.5%0.0%0.0%7.1%6.4%-19.6K-117.1K-1.6K3.5049.09N/AN/A518132533
2011-02-03$36.92$36.0024.5%7.0%29.9%6.2%0.0%9.3%-1.9%-17.3K-66.8K-1.7K0.0059.79N/AN/A05137541
2011-02-04$36.90$35.0026.5%7.0%28.6%8.5%24.0%14.0%5.8%-21.0K-44.2K-1.8K0.0073.83N/AN/A093137542
2011-02-07$36.90$38.0026.2%7.0%28.6%8.1%0.0%10.8%5.6%-37.8K129.8K-2.1K0.0080.74N/AN/A00137634
2011-02-08$37.24$38.0017.7%6.7%27.6%0.0%26.4%9.9%3.9%-36.6K49.7K-1.8K1.6760.02N/AN/A35137634
2011-02-09$37.26$38.0020.0%6.6%27.7%2.6%26.7%8.9%4.2%-34.5K39.2K-1.9K0.0059.64N/AN/A05138634
2011-02-10$36.90$38.0023.9%6.8%23.2%6.9%27.1%6.9%7.0%-38.3K88.8K-1.9K0.0062.58N/AN/A08138638
2011-02-11$37.12$38.0023.0%6.6%23.0%6.0%0.0%9.3%4.9%-35.7K23.6K-1.7K0.0061.61N/AN/A00138643
2011-02-14$36.94$38.0022.7%6.5%22.0%5.5%31.5%10.4%7.3%-38.6K48.8K-1.6K0.0076.31N/AN/A01138643
2011-02-15$36.90$38.0024.4%7.0%22.1%7.5%29.9%9.1%7.1%-39.5K57.5K-1.7K0.0072.80N/AN/A06138643
2011-02-16$37.62$38.0023.0%6.6%22.8%5.9%23.8%6.2%4.8%-27.8K-96.5K-1.4K0.0070.76N/AN/A08138645
2011-02-17$37.82$38.0023.9%6.8%22.8%6.9%0.0%9.8%6.4%-24.9K-139.4K-1.4K0.1775.87N/AN/A153138647
2011-02-18$37.84$38.0024.9%7.1%22.0%8.1%28.9%10.4%5.4%-23.7K-159.7K-1.5K0.0076.66N/AN/A05153650
2011-02-22$35.72$38.0033.6%9.6%30.4%17.8%28.0%9.1%-0.3%-29.0K335.7K-1.8K0.2646.62N/AN/A1002693496
2011-02-23$36.04$38.0032.5%9.3%30.4%16.6%28.6%7.3%2.7%-14.8K248.1K-2.1K0.0046.35N/AN/A096192509
2011-02-24$36.20$38.0035.1%10.1%30.4%19.5%27.0%7.7%-2.0%-24.1K451.8K-2.5K0.0039.15N/AN/A022192603
2011-02-25$36.76$38.0025.1%7.2%30.4%8.2%28.9%8.3%8.0%-25.2K385.5K-2.4K0.0047.75N/AN/A040192624
2011-02-28$37.02$38.0025.2%7.2%27.6%8.4%26.4%6.9%3.7%-30.0K422.6K-2.5K0.0029.91N/AN/A054192662