UNH Options History — May 2013

In May 2013, UNH traded between $58.92 and $64.66. ATM implied volatility averaged 18.9%, placing in the 14.7% IV rank vs the trailing year. The 30-day expected move averaged 5.3%. IV traded below realized volatility by 2.3% (HV 20d: 21.1%). Max pain ranged from $57.50 to $60.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 22 of 22 days. Put/call ratio averaged 0.55.

Notable Days

  • 2013-05-16: Highest Volume — 23,494 contracts
  • 2013-05-08: Largest IV drop — 24.0% change
  • 2013-05-07: Highest IV Rank — 20.7%
  • 2013-05-31: Largest Expected Move — 6.1%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$61.96$58.92$64.66$59.72$62.63
Max Pain$57.84$57.50$60.00$60.00$57.50
ATM IV18.9%16.2%22.3%21.0%21.7%
Expected Move5.3%4.9%6.1%5.2%6.1%
HV 20d21.1%17.5%25.9%20.7%23.5%
HV 60d21.0%20.2%22.0%21.5%22.0%
IV Rank14.7%10.0%20.7%18.4%19.6%
IV Percentile23.0%2.0%54.4%38.5%54.4%
Term Structure2.1%0.6%3.2%0.8%1.7%
VWIV18.8%17.0%21.3%18.4%21.3%
Skew 25d2.2%1.1%3.1%1.7%2.6%
Skew 10d4.6%2.9%6.4%4.6%5.6%
Call IV 25d17.8%16.8%20.0%17.6%20.0%
Put IV 25d20.0%18.3%22.6%19.3%22.6%
Bid-Ask Spread %8.286.4910.169.139.68
Gamma HHI0.300.200.370.280.31
Net GEX12.0M6.3M15.2M9.9M15.1M
Net DEX-304.1M-444.6M-141.3M-179.1M-347.1M
Net VEX-1.7M-1.9M-1.4M-1.5M-1.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.550.081.090.550.85
Total Volume8,183.9094,02123,4944,6356,900
Total OI179,729.227157,638199,757157,638198,587

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2013-05-01$59.72$60.0021.0%5.2%20.7%18.4%18.4%1.7%0.8%9.9M-179.1M-1.5M0.559.132,9811,65488,72468,914
2013-05-02$59.48$60.0018.4%5.1%20.5%13.9%17.9%1.1%0.6%10.1M-166.2M-1.5M0.318.866,0911,86890,02669,824
2013-05-03$58.92$60.0017.7%4.9%20.6%12.7%17.0%1.3%1.0%6.3M-141.3M-1.5M0.739.343,1572,31491,47771,072
2013-05-06$60.20$57.5021.3%5.3%22.3%18.9%18.7%2.1%1.9%8.4M-204.9M-1.4M1.068.112,3442,47690,14771,876
2013-05-07$60.50$57.5022.3%5.3%22.3%20.7%18.3%2.0%1.8%8.6M-215.7M-1.4M0.667.632,9011,90590,54372,432
2013-05-08$62.51$57.5017.0%5.1%25.4%11.3%18.0%2.2%1.7%9.9M-305.5M-1.4M0.256.8617,9334,43791,27972,910
2013-05-09$62.01$57.5016.7%5.1%25.3%10.9%18.3%2.0%2.1%11.5M-307.0M-1.6M0.458.704,5032,031101,46974,374
2013-05-10$62.91$57.5016.2%5.2%25.9%10.0%18.5%2.1%2.2%12.0M-350.8M-1.5M0.797.323,1072,442102,06074,989
2013-05-13$62.39$57.5017.2%5.1%24.6%11.7%18.2%1.9%2.6%12.0M-325.5M-1.6M0.507.867,3093,642102,85775,921
2013-05-14$61.73$57.5017.3%5.1%23.9%12.0%18.4%1.9%2.4%11.2M-287.2M-1.6M0.566.492,5771,444104,37878,011
2013-05-15$61.61$57.5018.1%5.1%23.5%13.3%18.7%1.9%2.7%11.2M-282.6M-1.6M0.336.743,3201,084105,15578,184
2013-05-16$62.14$57.5019.1%5.5%18.8%15.0%19.5%1.6%2.5%13.0M-306.7M-1.6M0.089.7621,7331,761105,50978,110
2013-05-17$62.84$57.5018.5%5.3%19.1%14.1%18.4%2.3%3.2%15.2M-400.9M-1.9M0.2510.1611,6702,937121,00178,756
2013-05-20$62.56$57.5018.2%5.2%18.3%13.6%18.3%2.4%2.8%13.8M-341.4M-1.9M0.416.924,4981,853111,38370,481
2013-05-21$62.87$57.5018.0%5.2%17.5%13.1%18.1%2.4%2.7%14.0M-355.4M-1.9M0.857.632,8152,395112,13371,652
2013-05-22$62.28$57.5018.1%5.2%18.1%13.4%18.8%2.6%2.9%14.0M-329.5M-1.9M1.099.052,4082,621113,70873,191
2013-05-23$62.36$57.5019.1%5.5%17.9%15.1%19.5%2.7%2.4%13.4M-330.1M-1.9M1.059.022,0632,176113,95574,762
2013-05-24$62.06$57.5019.9%5.7%18.1%16.4%20.0%2.7%2.1%12.6M-315.9M-1.9M0.538.935,5822,973114,37675,073
2013-05-28$63.34$57.5020.1%5.8%19.1%16.8%19.8%2.7%1.8%13.1M-376.0M-1.9M0.438.256,3292,715113,48775,413
2013-05-29$63.35$57.5020.1%5.8%19.1%16.8%19.4%3.1%2.0%14.1M-378.0M-1.9M0.188.413,869680116,00376,399
2013-05-30$64.66$57.5019.0%5.4%19.9%14.9%19.8%2.4%2.5%14.7M-444.6M-1.9M0.217.358,7141,834116,94776,495
2013-05-31$62.63$57.5021.7%6.1%23.5%19.6%21.3%2.6%1.7%15.1M-347.1M-1.9M0.859.683,7273,173121,10377,484