UNH Options History — January 2008 In January 2008, UNH traded between $49.82 and $56.93. ATM implied volatility averaged 26.2%, placing in the 57.5% IV rank vs the trailing year. The 30-day expected move averaged 7.4%. IV traded above realized volatility by 4.5% (HV 20d: 21.7%). Max pain ranged from $50.00 to $60.00. Net GEX was positive for 14 of 21 trading days. Term structure was in contango for 6 of 21 days. Put/call ratio averaged 0.89.
Notable Days 2008-01-23 : Highest Volume — 32,885 contracts2008-01-28 : Largest IV spike — 27.5% change2008-01-07 : Highest IV Rank — 72.5%2008-01-28 : Largest Expected Move — 8.2%Monthly Statistics Metric Avg Min Max Open Close Price $53.83 $49.82 $56.93 $56.67 $50.84 Max Pain $55.48 $50.00 $60.00 $50.00 $50.00 ATM IV 26.2% 22.4% 29.4% 26.4% 24.9% Expected Move 7.4% 6.4% 8.2% 7.6% 7.2% HV 20d 21.7% 16.6% 30.6% 19.4% 30.6% HV 60d 19.9% 17.8% 23.6% 18.0% 23.6% IV Rank 57.5% 39.6% 72.5% 58.2% 51.5% IV Percentile 85.7% 55.6% 97.2% 92.4% 82.1% Term Structure -0.5% -2.9% 6.6% -1.2% -0.0% VWIV 25.5% 22.9% 28.4% 23.3% 23.1% Skew 25d 4.6% 1.0% 13.8% 6.1% 3.6% Skew 10d 10.3% 1.6% 20.7% 13.3% 8.0% Call IV 25d 23.7% 17.1% 25.7% 21.3% 24.8% Put IV 25d 28.3% 24.8% 30.9% 27.4% 28.4% Bid-Ask Spread % 5.91 2.82 14.37 5.48 3.33 Gamma HHI 0.41 0.21 0.64 0.37 0.36 Net GEX 8.0M -5.2M 20.3M 15.1M -3.5M Net DEX -192.0M -429.6M 68.9M -409.4M 21.0M Net VEX -2.4M -2.5M -2.1M -2.5M -2.4M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 0.89 0.21 2.35 0.21 1.79 Total Volume 12,738 1,614 32,885 14,906 15,997 Total OI 288,928.048 172,828 345,646 331,246 225,841
Daily Data (21 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Vol Put Vol Call OI Put OI 2008-01-02 $56.67 $50.00 26.4% 7.6% 19.4% 58.2% 23.3% 6.1% -1.2% 15.1M -409.4M -2.5M 0.21 5.48 12,282 2,624 202,176 129,070 2008-01-03 $56.93 $50.00 25.0% 7.2% 19.2% 51.6% 24.7% 4.3% 0.3% 15.1M -429.6M -2.4M 0.58 5.57 1,022 592 200,845 129,532 2008-01-04 $56.00 $60.00 26.2% 7.4% 20.2% 57.2% 25.1% 3.9% -0.9% 13.5M -358.2M -2.5M 0.38 3.84 14,505 5,580 200,677 129,620 2008-01-07 $56.88 $60.00 29.4% 7.8% 19.2% 72.5% 25.4% 6.5% -2.3% 15.2M -421.0M -2.4M 0.32 5.77 3,919 1,245 203,787 131,319 2008-01-08 $56.21 $60.00 29.1% 8.0% 19.3% 70.8% 26.6% 4.0% -1.6% 13.2M -365.2M -2.5M 1.13 6.27 4,136 4,673 202,666 131,491 2008-01-09 $56.19 $60.00 29.3% 7.9% 17.5% 71.7% 26.7% 4.2% -1.7% 13.4M -369.1M -2.5M 0.47 3.78 5,565 2,637 205,247 134,852 2008-01-10 $56.09 $60.00 27.3% 7.8% 16.9% 62.6% 27.5% 4.1% -2.1% 13.1M -353.7M -2.5M 1.35 3.74 2,339 3,148 205,244 135,163 2008-01-11 $55.91 $60.00 27.3% 7.8% 16.6% 62.5% 26.7% 3.9% -1.9% 12.4M -343.3M -2.5M 0.88 4.00 2,449 2,163 205,841 136,937 2008-01-14 $55.42 $60.00 27.3% 7.8% 16.7% 62.6% 27.9% 4.0% -1.9% 12.8M -301.3M -2.4M 0.45 5.55 3,468 1,560 206,517 137,856 2008-01-15 $54.95 $60.00 27.1% 7.8% 16.8% 61.4% 26.8% 3.3% -1.5% 14.3M -267.9M -2.4M 0.78 4.60 4,135 3,228 206,430 137,544 2008-01-16 $55.28 $60.00 26.9% 7.7% 17.0% 60.4% 26.6% 4.0% -1.8% 17.0M -307.0M -2.3M 0.70 4.33 4,404 3,094 206,857 137,236 2008-01-17 $54.36 $55.00 26.3% 7.5% 17.3% 57.8% 26.9% 4.5% -1.7% 16.6M -191.1M -2.3M 0.62 8.35 7,340 4,569 207,023 137,149 2008-01-18 $54.40 $55.00 27.0% 7.7% 17.2% 61.0% 27.9% 5.2% -2.9% 20.3M -163.3M -2.3M 0.62 14.37 9,464 5,887 206,833 138,813 2008-01-22 $51.22 $55.00 26.6% 7.6% 25.8% 59.0% 25.4% 5.0% -0.7% 868.3K 16.3M -2.1M 0.81 9.16 17,801 14,441 97,015 75,813 2008-01-23 $50.35 $55.00 22.8% 6.5% 24.8% 41.4% 22.9% 5.9% 1.8% -1.0M 27.7M -2.1M 2.35 4.95 9,813 23,072 103,378 84,064 2008-01-24 $49.82 $55.00 22.9% 6.6% 24.7% 42.1% 23.4% 1.0% 1.0% -4.3M 68.9M -2.2M 0.31 8.02 10,936 3,337 107,142 101,001 2008-01-25 $50.00 $50.00 22.4% 6.4% 24.9% 39.6% 23.1% 3.6% 1.6% -3.9M 45.0M -2.2M 0.24 5.86 8,768 2,070 110,804 100,349 2008-01-28 $52.00 $50.00 28.5% 8.2% 30.0% 68.3% 28.4% 13.8% 6.6% -2.2M 3.5M -2.3M 1.30 11.17 6,442 8,366 109,161 101,208 2008-01-29 $50.78 $50.00 23.2% 6.6% 30.6% 43.4% 23.1% 3.6% 0.6% -3.8M 15.4M -2.3M 1.61 3.11 6,587 10,634 110,632 106,873 2008-01-30 $50.16 $50.00 24.8% 7.1% 30.6% 50.6% 24.7% 2.4% -0.4% -5.2M 49.3M -2.3M 1.75 2.82 4,806 8,400 113,271 114,212 2008-01-31 $50.84 $50.00 24.9% 7.2% 30.6% 51.5% 23.1% 3.6% -0.0% -3.5M 21.0M -2.4M 1.79 3.33 5,743 10,254 114,351 111,490
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