UNH Options History — November 2009

In November 2009, UNH traded between $26.42 and $29.56. ATM implied volatility averaged 38.9%, placing in the 6.7% IV rank vs the trailing year. The 30-day expected move averaged 11.3%. IV traded above realized volatility by 5.4% (HV 20d: 33.5%). Max pain ranged from $23.00 to $26.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 19 of 20 days. Put/call ratio averaged 0.68.

Notable Days

  • 2009-11-04: Highest Volume — 162,430 contracts
  • 2009-11-27: Largest IV spike — 12.5% change
  • 2009-11-04: Highest IV Rank — 15.4%
  • 2009-11-04: Largest Expected Move — 13.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$28.69$26.42$29.56$26.42$28.67
Max Pain$23.65$23.00$26.00$25.00$24.00
ATM IV38.9%31.3%46.0%43.1%37.4%
Expected Move11.3%9.0%13.2%12.4%10.7%
HV 20d33.5%22.7%42.2%41.4%23.8%
HV 60d38.0%35.9%38.8%38.3%36.3%
IV Rank6.7%0.0%15.4%11.7%8.2%
IV Percentile7.3%0.0%26.6%15.5%4.4%
Term Structure3.0%-0.3%6.2%3.0%3.9%
VWIV40.4%32.8%46.8%43.1%37.7%
Skew 25d4.1%1.4%5.7%4.2%3.5%
Skew 10d9.2%4.1%12.8%10.0%8.5%
Call IV 25d38.2%30.7%46.4%41.4%36.5%
Put IV 25d42.3%34.5%47.8%45.6%40.0%
Bid-Ask Spread %4.443.366.086.084.15
Gamma HHI0.270.170.380.170.36
Net GEX16.4M10.0M19.7M10.0M16.4M
Net DEX-483.4M-595.1M-213.1M-213.1M-392.6M
Net VEX-2.0M-2.3M-1.8M-1.8M-1.8M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.680.191.310.930.74
Total Volume25,807.056,496162,43016,15221,588
Total OI589,484.5501,080649,146545,467520,674

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2009-11-02$26.42$25.0043.1%12.4%41.4%11.7%43.1%4.2%3.0%10.0M-213.1M-1.8M0.936.088,3617,791367,285178,182
2009-11-03$26.91$25.0041.3%11.8%41.6%9.2%42.1%3.7%3.5%11.1M-269.1M-1.8M0.645.593,9592,537367,603179,452
2009-11-04$27.87$25.0046.0%13.2%42.2%15.4%46.8%1.4%-0.3%12.2M-372.2M-1.9M0.195.14136,98225,448367,535178,791
2009-11-05$28.21$26.0041.9%12.0%39.3%10.1%43.0%2.3%1.9%19.7M-511.1M-2.3M0.644.066,5734,238467,243180,473
2009-11-06$28.67$23.0040.4%12.3%39.2%8.0%43.3%5.7%1.3%17.6M-524.3M-2.1M0.575.1622,63112,937424,000179,509
2009-11-09$29.13$23.0041.5%12.4%38.9%9.5%43.9%4.7%1.1%18.2M-576.8M-2.2M0.914.7513,47712,317436,578186,859
2009-11-10$28.97$23.0037.1%12.0%35.4%3.7%44.4%4.6%1.6%18.4M-549.6M-2.1M0.473.8615,8117,420433,675187,696
2009-11-11$29.37$23.0036.7%11.8%35.1%3.2%40.5%4.7%2.1%17.8M-595.1M-2.1M0.903.979,7948,857431,026191,327
2009-11-12$28.76$23.0040.4%11.6%35.8%8.0%41.5%4.3%2.2%17.3M-514.7M-2.1M1.314.078,57411,199432,541194,418
2009-11-13$29.08$23.0039.6%11.4%35.6%7.0%42.4%4.3%2.6%17.6M-558.9M-2.1M0.464.445,9442,721433,592201,088
2009-11-16$29.15$23.0040.6%11.6%35.4%8.3%41.4%4.5%2.6%17.2M-566.5M-2.0M0.354.1610,7093,772431,948201,482
2009-11-17$28.97$23.0039.8%11.4%33.5%7.3%39.9%4.4%2.8%17.4M-564.9M-2.0M0.464.849,8474,532435,367201,677
2009-11-18$28.87$23.0039.2%11.2%30.5%6.4%39.5%4.3%3.5%16.6M-548.8M-1.9M1.054.425,2815,538436,950202,875
2009-11-19$28.63$23.0039.5%11.3%30.3%6.9%41.3%4.3%3.2%16.1M-518.7M-1.9M0.494.1013,9566,861438,341204,784
2009-11-20$28.56$23.0038.0%10.9%30.4%5.0%38.2%4.0%4.5%15.0M-505.6M-1.9M0.653.7117,43411,254441,106208,040
2009-11-23$29.08$23.0035.5%10.2%29.1%1.7%35.3%4.4%4.5%16.4M-433.2M-1.8M0.584.0019,91711,596367,566133,514
2009-11-24$29.56$24.0033.0%9.5%25.6%0.0%34.3%3.9%5.1%17.1M-477.4M-1.9M0.414.3216,4746,723367,354140,559
2009-11-25$29.54$24.0031.3%9.0%23.3%0.0%32.8%3.8%6.2%18.5M-488.8M-1.9M0.653.366,7594,422377,431140,441
2009-11-27$29.44$24.0035.2%10.1%22.7%5.3%35.7%4.2%5.1%18.0M-487.4M-1.9M1.204.735,4106,497379,657141,051
2009-11-30$28.67$24.0037.4%10.7%23.8%8.2%37.7%3.5%3.9%16.4M-392.6M-1.8M0.744.1512,4209,168377,525143,149