UNH Options History — September 2018

In September 2018, UNH traded between $259.68 and $269.72. ATM implied volatility averaged 16.7%, placing in the 17.4% IV rank vs the trailing year. The 30-day expected move averaged 5.2%. IV traded above realized volatility by 3.3% (HV 20d: 13.4%). Max pain ranged from $250.00 to $270.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 9 of 19 days. Put/call ratio averaged 0.86.

Notable Days

  • 2018-09-10: Highest Volume — 24,228 contracts
  • 2018-09-17: Largest IV spike — 19.5% change
  • 2018-09-18: Highest IV Rank — 26.8%
  • 2018-09-10: Largest Expected Move — 5.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$265.14$259.68$269.72$268.52$265.86
Max Pain$260.53$250.00$270.00$250.00$260.00
ATM IV16.7%14.6%18.5%14.6%17.8%
Expected Move5.2%4.1%5.6%4.1%5.4%
HV 20d13.4%9.3%14.7%9.3%14.6%
HV 60d14.1%13.1%14.7%13.3%13.8%
IV Rank17.4%6.2%26.8%10.2%22.9%
IV Percentile31.5%11.9%50.8%11.9%42.5%
Term Structure0.7%-0.8%4.3%0.3%-0.3%
VWIV18.6%16.4%20.0%16.4%18.8%
Skew 25d2.3%1.8%2.9%2.1%2.4%
Skew 10d5.2%4.0%6.4%4.2%5.9%
Call IV 25d15.9%13.3%17.8%14.0%16.9%
Put IV 25d18.2%15.2%20.6%16.0%19.3%
Bid-Ask Spread %12.806.5730.0512.099.17
Gamma HHI0.170.120.530.140.13
Net GEX88.4M36.4M342.8M76.4M50.9M
Net DEX-941.5M-1.22B-600.2M-1.22B-845.5M
Net VEX-4.6M-5.1M-4.4M-4.4M-5.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.860.292.272.272.23
Total Volume13,556.5268,07224,22812,59714,815
Total OI160,755.474129,753179,173159,018148,100

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-09-04$268.52$250.0014.6%4.1%9.3%10.2%16.4%2.1%0.3%76.4M-1.22B-4.4M2.2712.093,8578,74091,36767,651
2018-09-05$267.60$250.0014.6%4.1%9.5%6.2%19.9%2.1%0.1%74.3M-1.16B-4.5M0.3710.6713,1244,80491,76271,844
2018-09-06$269.72$270.0014.8%5.2%9.7%7.2%18.2%1.8%-0.0%81.5M-1.13B-4.4M1.5425.955,1978,00685,23772,707
2018-09-07$267.94$270.0015.2%5.2%9.4%9.1%18.8%2.1%0.2%82.8M-1.03B-4.4M0.7413.557,0675,22085,06676,326
2018-09-10$259.68$270.0016.2%5.6%14.7%14.7%20.0%2.5%3.3%40.4M-600.2M-4.4M0.3912.2417,4836,74583,77874,310
2018-09-11$260.85$260.0015.9%5.5%14.7%13.2%19.2%2.1%3.3%75.0M-693.0M-4.5M0.5723.707,0524,03893,29976,310
2018-09-12$262.52$260.0015.6%5.6%14.5%11.6%19.0%2.1%3.7%99.3M-827.0M-4.6M0.5830.057,5134,33694,51177,561
2018-09-13$264.97$260.0015.3%5.4%14.3%9.8%18.8%2.0%4.3%153.8M-1.03B-4.4M0.3510.7314,5895,12695,63777,829
2018-09-14$265.25$260.0015.2%5.0%14.1%9.4%17.1%1.9%3.5%342.8M-1.09B-4.6M0.2910.0515,9194,683100,48678,687
2018-09-17$263.51$260.0018.2%5.5%14.3%24.9%18.8%2.9%-0.7%87.6M-918.9M-4.5M0.687.844,8123,26096,40075,910
2018-09-18$263.31$260.0018.5%5.5%14.3%26.8%18.3%2.7%-0.8%75.2M-875.6M-4.5M0.9714.625,7425,57596,51076,112
2018-09-19$265.30$260.0017.7%5.1%14.6%22.3%18.3%2.7%0.2%91.7M-1.04B-4.7M0.707.125,5323,84697,91177,776
2018-09-20$266.86$260.0017.8%5.1%14.6%22.7%18.9%2.7%-0.3%99.3M-1.14B-4.7M0.6911.517,3115,02298,49178,246
2018-09-21$266.89$260.0017.2%5.0%14.5%19.7%17.8%2.4%-0.4%89.6M-1.12B-4.7M0.6310.638,2825,25698,64579,078
2018-09-24$267.22$260.0018.2%5.4%14.3%24.9%19.3%2.1%-0.4%47.5M-887.6M-4.7M0.706.575,7594,02672,70657,047
2018-09-25$263.63$260.0018.5%5.5%14.6%26.4%18.8%2.4%-0.5%36.4M-749.0M-4.7M0.627.626,1253,82574,75458,120
2018-09-26$263.72$260.0018.3%5.5%14.4%25.7%18.7%2.3%-0.8%36.6M-742.1M-4.8M1.0511.854,1484,34876,89859,049
2018-09-27$264.25$260.0018.0%5.4%14.4%23.9%19.1%2.3%-0.6%37.9M-777.0M-4.8M0.907.318,6257,76678,18060,053
2018-09-28$265.86$260.0017.8%5.4%14.6%22.9%18.8%2.4%-0.3%50.9M-845.5M-5.1M2.239.174,59110,22483,56464,536