UNH Options History — December 2017

In December 2017, UNH traded between $219.60 and $226.58. ATM implied volatility averaged 18.6%, placing in the 55.9% IV rank vs the trailing year. The 30-day expected move averaged 5.9%. IV traded above realized volatility by 0.1% (HV 20d: 18.5%). Max pain ranged from $190.00 to $210.00. Net GEX was positive for 19 of 20 trading days. Term structure was in contango for 11 of 20 days. Put/call ratio averaged 1.16.

Notable Days

  • 2017-12-01: Highest Volume — 17,514 contracts
  • 2017-12-12: Largest IV spike — 7.0% change
  • 2017-12-26: Highest IV Rank — 73.7%
  • 2017-12-26: Largest Expected Move — 6.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$221.92$219.60$226.58$226.58$221.17
Max Pain$203.25$190.00$210.00$210.00$210.00
ATM IV18.6%16.6%20.5%17.6%20.4%
Expected Move5.9%5.5%6.2%5.5%6.0%
HV 20d18.5%12.8%19.5%16.7%12.8%
HV 60d19.0%18.6%19.3%18.6%18.8%
IV Rank55.9%37.7%73.7%46.8%72.2%
IV Percentile71.7%52.8%91.7%58.3%91.7%
Term Structure0.8%-1.2%4.0%-0.6%-0.6%
VWIV21.1%19.9%22.5%20.7%22.3%
Skew 25d2.2%1.1%3.5%2.6%1.6%
Skew 10d4.6%3.2%7.5%4.9%4.5%
Call IV 25d18.0%15.9%20.1%16.7%19.7%
Put IV 25d20.2%17.5%22.6%19.3%21.2%
Bid-Ask Spread %36.2328.7445.3345.3335.06
Gamma HHI0.200.100.510.240.21
Net GEX15.1M-27.0M31.4M27.3M18.6M
Net DEX-655.5M-919.8M-482.6M-919.8M-553.4M
Net VEX-2.7M-2.9M-2.6M-2.6M-2.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.160.401.681.081.31
Total Volume10,985.856,75817,51417,5148,059
Total OI173,957.9164,109193,313170,850177,338

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2017-12-01$226.58$210.0017.6%5.5%16.7%46.8%20.7%2.6%-0.6%27.3M-919.8M-2.6M1.0845.338,4349,08061,075109,775
2017-12-04$221.99$190.0018.4%5.9%18.6%53.9%21.2%1.1%0.2%26.2M-745.6M-2.7M1.5336.976,80310,43259,492109,349
2017-12-05$220.22$190.0017.6%5.7%18.9%46.2%21.0%1.2%0.3%22.3M-660.0M-2.8M1.2034.295,7216,85661,052111,973
2017-12-06$219.87$190.0017.9%5.9%19.0%49.0%20.5%2.2%-0.7%20.9M-659.4M-2.8M0.9033.785,5554,97261,736112,979
2017-12-07$220.00$195.0017.2%5.8%18.6%43.1%20.2%1.9%-0.2%21.2M-663.8M-2.7M0.8535.136,7275,73762,548113,568
2017-12-08$223.62$195.0016.6%5.9%19.3%37.7%21.2%1.3%1.1%31.4M-801.4M-2.7M0.9540.245,8825,60363,538114,367
2017-12-11$222.82$195.0016.8%6.0%19.3%38.8%21.3%2.9%3.8%28.1M-769.7M-2.6M1.2930.474,7216,08062,789113,363
2017-12-12$222.73$195.0017.9%6.0%19.3%49.5%21.4%2.2%2.6%23.6M-760.0M-2.6M0.9041.574,1083,71063,218115,433
2017-12-13$224.41$195.0016.8%6.0%19.1%39.3%20.2%1.8%4.0%24.9M-830.9M-2.6M1.2038.907,4408,91563,928115,851
2017-12-14$221.54$210.0017.6%5.9%19.5%46.3%20.2%1.8%3.8%22.5M-686.9M-2.8M1.3638.545,5657,59668,383119,502
2017-12-15$221.69$210.0018.2%6.0%19.5%52.4%21.6%2.6%4.0%3.7M-703.9M-2.8M0.8640.916,1995,32470,155123,158
2017-12-18$222.67$210.0019.4%5.8%19.3%62.9%22.2%2.7%0.2%5.8M-584.6M-2.8M1.0628.743,2753,48356,847107,262
2017-12-19$222.28$210.0019.6%5.7%19.3%65.0%21.1%2.1%0.7%1.9M-561.5M-2.8M1.6833.702,9815,00257,169108,422
2017-12-20$222.49$210.0020.2%5.8%19.1%70.7%21.3%2.2%1.3%8.4M-586.3M-2.8M1.4732.893,4155,00757,638107,630
2017-12-21$221.71$210.0019.7%5.7%18.9%66.0%19.9%2.6%-0.6%3.3M-544.8M-2.8M1.2443.724,6715,81458,241109,682
2017-12-22$219.96$210.0020.1%5.9%19.2%69.5%20.9%2.3%-1.2%-27.0M-485.1M-2.8M1.0836.664,5614,94459,872111,416
2017-12-26$219.60$210.0020.5%6.2%19.3%73.7%22.5%2.5%-0.9%7.7M-482.6M-2.7M1.4736.792,7734,06658,071109,648
2017-12-27$220.48$210.0020.5%6.1%18.6%73.4%20.2%1.9%-0.8%8.4M-506.3M-2.8M0.4030.139,0723,64958,288110,010
2017-12-28$222.65$210.0019.3%5.7%15.1%61.9%22.2%3.5%-0.0%22.0M-604.6M-2.9M1.3130.833,2444,24164,240110,152
2017-12-29$221.17$210.0020.4%6.0%12.8%72.2%22.3%1.6%-0.6%18.6M-553.4M-2.9M1.3135.063,4894,57067,158110,180