EWZ Options History — August 2011

In August 2011, EWZ traded between $57.00 and $70.10. ATM implied volatility averaged 44.1%, placing in the 51.6% IV rank vs the trailing year. The 30-day expected move averaged 11.1%. IV traded below realized volatility by 4.1% (HV 20d: 48.1%). Max pain ranged from $68.00 to $71.00. Net GEX was positive for 0 of 23 trading days. Term structure was in contango for 2 of 23 days. Put/call ratio averaged 1.45.

Notable Days

  • 2011-08-04: Highest Volume — 194,149 contracts
  • 2011-08-08: Largest IV spike — 71.4% change
  • 2011-08-02: Highest IV Rank — 100.0%
  • 2011-08-08: Largest Expected Move — 15.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$62.42$57.00$70.10$70.10$65.50
Max Pain$69.52$68.00$71.00$71.00$68.00
ATM IV44.1%31.2%86.7%33.5%38.4%
Expected Move11.1%7.8%15.3%7.8%9.1%
HV 20d48.1%20.4%57.9%20.4%57.9%
HV 60d32.6%20.6%36.9%20.6%36.9%
IV Rank51.6%19.5%100.0%95.6%29.9%
IV Percentile97.1%90.5%100.0%99.6%93.7%
Term Structure-2.7%-9.3%1.4%-0.6%-0.2%
VWIV40.0%30.1%58.3%30.4%34.1%
Skew 25d12.7%6.1%19.8%6.5%8.1%
Skew 10d26.1%13.3%39.1%13.4%16.9%
Call IV 25d33.0%24.5%45.1%24.5%28.0%
Put IV 25d45.7%30.9%64.1%30.9%36.0%
Bid-Ask Spread %5.833.7110.667.468.53
Gamma HHI0.100.060.200.060.10
Net GEX-51.2M-78.7M-32.8M-32.8M-34.1M
Net DEX2.75B1.25B3.55B1.25B1.70B
Net VEX-16.3M-19.6M-12.6M-18.6M-19.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.450.683.381.311.21
Total Volume110,761.52264,763194,14971,81064,763
Total OI1,862,508.2611,621,2962,094,6301,621,2962,012,385

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2011-08-01$70.10$71.0033.5%7.8%20.4%95.6%30.4%6.5%-0.6%-32.8M1.25B-18.6M1.317.46N/AN/A31,11640,694664,576956,720
2011-08-02$68.12$71.0040.2%8.5%22.4%100.0%30.1%6.3%-1.9%-64.8M1.91B-17.6M1.337.35N/AN/A42,26056,274677,748974,514
2011-08-03$66.96$71.0039.0%8.3%22.8%95.0%30.2%6.1%-0.9%-78.7M2.30B-17.1M1.376.77N/AN/A59,82981,929692,428981,721
2011-08-04$62.47$70.0050.7%12.5%32.2%100.0%41.1%9.6%-6.4%-62.4M3.12B-14.7M1.375.40N/AN/A82,055112,094716,399959,978
2011-08-05$62.83$71.0050.6%10.6%32.3%99.5%37.6%13.5%-2.6%-62.3M3.11B-15.2M1.247.09N/AN/A62,49177,679756,464975,937
2011-08-08$57.00$71.0086.7%15.3%45.1%100.0%58.3%18.9%-9.3%-39.9M3.55B-12.6M1.316.44N/AN/A73,93196,634771,236982,061
2011-08-09$59.57$70.0061.3%12.7%49.0%63.2%48.4%15.6%-4.2%-45.6M3.37B-14.1M1.1510.66N/AN/A60,41569,472800,0011,019,259
2011-08-10$57.84$70.0065.3%14.9%48.7%69.0%50.7%19.8%-9.0%-38.1M3.41B-13.6M1.157.53N/AN/A64,36174,194820,9301,036,634
2011-08-11$60.63$70.0042.0%12.0%52.7%35.2%48.1%18.8%-3.5%-43.7M3.16B-14.8M0.866.49N/AN/A69,61160,084841,9441,030,571
2011-08-12$61.35$70.0040.7%11.7%53.0%33.3%42.9%16.6%-3.8%-46.4M3.06B-15.4M3.386.34N/AN/A31,663106,960863,7541,066,075
2011-08-15$63.12$70.0034.6%9.9%54.4%24.5%34.3%13.3%-0.3%-57.0M2.80B-16.6M1.994.28N/AN/A27,36554,370857,7481,144,196
2011-08-16$62.66$70.0033.7%9.7%54.1%23.1%32.8%12.8%1.0%-61.7M2.96B-16.0M0.734.93N/AN/A54,01239,656855,4341,161,077
2011-08-17$63.91$69.0031.2%8.9%54.8%19.5%33.1%10.3%1.4%-57.9M2.60B-16.8M0.853.83N/AN/A37,92532,146878,1841,154,905
2011-08-18$61.20$69.0040.7%11.7%55.7%33.3%42.2%14.0%-3.5%-50.7M3.19B-15.8M2.115.80N/AN/A43,47191,899891,4171,159,690
2011-08-19$60.31$69.0043.4%12.5%55.6%37.3%43.1%13.4%-4.1%-63.1M3.34B-15.9M1.655.01N/AN/A31,35051,833902,3821,192,248
2011-08-22$60.15$69.0045.8%13.1%55.5%40.6%45.3%14.7%-3.8%-46.1M2.80B-16.0M0.714.19N/AN/A50,08935,430674,4581,041,973
2011-08-23$61.48$69.0038.6%11.1%56.4%30.2%40.8%12.7%-1.3%-48.4M2.67B-16.3M1.614.05N/AN/A30,65849,433700,3591,063,977
2011-08-24$61.21$69.0038.8%11.1%56.1%30.5%41.7%13.8%-1.3%-48.8M2.72B-16.4M2.013.99N/AN/A37,71575,948717,2021,079,430
2011-08-25$60.51$68.0043.3%12.4%56.2%37.0%46.7%16.6%-3.8%-50.9M2.89B-17.1M1.734.00N/AN/A37,91365,679740,7371,135,952
2011-08-26$61.32$68.0040.6%10.7%56.2%33.2%39.6%12.2%-1.0%-54.3M2.79B-17.5M2.746.08N/AN/A37,669103,396760,4371,167,000
2011-08-29$63.25$68.0036.4%10.0%57.8%27.0%34.2%8.9%-1.7%-50.2M2.36B-18.4M0.684.25N/AN/A42,85129,312765,9511,199,675
2011-08-30$64.14$68.0037.8%9.6%57.5%29.1%34.1%9.5%-0.6%-41.0M2.10B-18.9M0.933.71N/AN/A35,74833,138787,2101,204,713
2011-08-31$65.50$68.0038.4%9.1%57.9%29.9%34.1%8.1%-0.2%-34.1M1.70B-19.6M1.218.53N/AN/A29,31835,445796,5611,215,824