OPEN Options History — July 2012

In July 2012, OPEN traded between $36.36 and $41.02. ATM implied volatility averaged 65.5%, placing in the 35.3% IV rank vs the trailing year. The 30-day expected move averaged 19.5%. IV traded above realized volatility by 18.9% (HV 20d: 46.7%). Max pain ranged from $40.00 to $45.00. Net GEX was positive for 19 of 21 trading days. Term structure was in contango for 3 of 21 days. Put/call ratio averaged 1.64.

Notable Days

  • 2012-07-31: Highest Volume — 6,083 contracts
  • 2012-07-12: Largest IV spike — 23.3% change
  • 2012-07-31: Highest IV Rank — 63.8%
  • 2012-07-31: Largest Expected Move — 24.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$38.38$36.36$41.02$40.81$36.36
Max Pain$41.79$40.00$45.00$45.00$40.00
ATM IV65.5%51.3%84.6%52.1%84.6%
Expected Move19.5%14.9%24.3%14.9%24.3%
HV 20d46.7%30.3%52.5%50.1%30.3%
HV 60d52.5%41.3%56.0%55.6%41.6%
IV Rank35.3%15.6%63.8%16.8%63.8%
IV Percentile64.7%23.4%98.4%29.4%98.4%
Term Structure-7.1%-20.9%14.2%12.2%-20.9%
VWIV68.0%50.8%87.5%50.8%84.9%
Skew 25d7.8%3.9%10.2%3.9%8.6%
Skew 10d16.5%7.7%23.6%8.0%23.6%
Call IV 25d64.7%48.4%81.5%49.8%81.5%
Put IV 25d72.5%53.7%90.1%53.7%90.1%
Bid-Ask Spread %15.969.7420.869.7816.54
Gamma HHI0.130.110.240.130.12
Net GEX159.5K-328.4K408.0K291.5K92.7K
Net DEX28.8M18.0M43.2M21.3M26.5M
Net VEX-268.7K-345.1K-219.5K-331.3K-219.5K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.640.156.881.043.47
Total Volume1,679.2861906,0835,7866,083
Total OI61,945.57149,64569,65464,27754,208

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2012-07-02$40.81$45.0052.1%14.9%50.1%16.8%50.8%3.9%12.2%291.5K21.3M-331.3K1.049.782,8302,95639,65724,620
2012-07-03$41.02$45.0052.6%15.1%50.0%17.4%51.2%7.5%14.2%408.0K18.6M-345.1K1.339.7428237640,67325,254
2012-07-05$40.78$45.0052.8%15.1%50.0%17.7%51.5%4.3%12.2%334.4K21.2M-327.8K0.4919.0488343440,52325,372
2012-07-06$39.00$42.5051.3%18.7%52.5%15.6%65.8%7.6%-8.4%148.8K31.0M-311.0K0.7815.5163449541,05025,575
2012-07-09$39.03$42.5053.4%19.5%48.8%18.6%66.7%6.5%-9.3%130.0K33.0M-288.7K0.9313.6932329941,23625,468
2012-07-10$38.00$42.5055.8%19.7%49.3%20.0%68.1%7.9%-3.7%44.1K35.5M-285.2K1.0517.8734536141,33525,504
2012-07-11$38.67$42.5054.6%19.4%46.7%18.1%67.2%6.6%-9.8%98.9K34.2M-287.4K0.2618.3292024141,45625,674
2012-07-12$38.44$42.5067.3%19.3%46.7%37.4%66.6%7.3%-7.5%44.6K36.6M-269.8K0.6216.6478748641,60025,622
2012-07-13$38.87$42.5064.8%18.6%47.1%33.7%65.0%6.4%-6.9%128.5K33.7M-274.5K0.1516.533014642,18925,680
2012-07-16$39.05$42.5068.0%19.5%47.1%38.5%69.6%6.7%-8.6%186.0K32.0M-279.2K1.0320.1140541642,31925,679
2012-07-17$37.99$40.0067.9%19.5%46.9%38.3%65.9%8.3%-9.7%95.5K37.6M-257.2K3.4018.0625586742,41025,653
2012-07-18$37.69$42.5067.8%19.4%46.5%38.2%65.9%8.7%-8.2%14.2K41.8M-242.9K3.7516.374771,78742,39026,005
2012-07-19$37.89$42.5069.6%20.0%46.8%40.9%70.5%9.0%-11.4%-208.9K43.2M-231.9K1.4916.4729443842,25327,085
2012-07-20$37.89$40.0067.5%19.4%46.4%37.8%68.3%8.6%-11.2%-328.4K40.1M-249.6K3.5215.225001,75942,49427,160
2012-07-23$37.19$40.0071.5%20.5%45.8%43.9%70.8%8.8%-10.7%270.0K20.4M-238.4K0.4611.8581037232,31117,334
2012-07-24$37.70$40.0071.4%20.5%46.3%43.6%71.7%9.2%-8.3%359.4K18.8M-246.2K1.9715.696412632,89217,367
2012-07-25$37.55$40.0071.0%20.4%45.4%43.1%70.2%10.2%-11.0%344.4K19.6M-240.9K0.7815.4185766632,90817,402
2012-07-26$37.00$40.0074.1%21.2%45.4%47.7%75.1%9.4%-9.9%254.8K21.3M-237.3K0.5115.431,35768632,79317,809
2012-07-27$38.24$40.0075.0%21.5%47.3%49.1%73.7%9.3%-13.4%351.7K18.0M-247.6K0.4415.9574132933,42218,257
2012-07-30$36.78$40.0083.2%23.8%44.6%61.5%87.5%8.6%-18.6%289.8K20.8M-231.5K6.8820.863782,59933,86618,352
2012-07-31$36.36$40.0084.6%24.3%30.3%63.8%84.9%8.6%-20.9%92.7K26.5M-219.5K3.4716.541,3604,72333,66620,542