UNH Options History — March 2018

In March 2018, UNH traded between $212.91 and $229.75. ATM implied volatility averaged 21.8%, placing in the 46.3% IV rank vs the trailing year. The 30-day expected move averaged 6.7%. IV traded below realized volatility by 2.1% (HV 20d: 23.9%). Max pain ranged from $220.00 to $230.00. Net GEX was positive for 6 of 21 trading days. Term structure was in contango for 6 of 21 days. Put/call ratio averaged 1.46.

Notable Days

  • 2018-03-26: Highest Volume — 20,138 contracts
  • 2018-03-19: Largest IV spike — 30.0% change
  • 2018-03-23: Highest IV Rank — 73.9%
  • 2018-03-23: Largest Expected Move — 7.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$223.62$212.91$229.75$224.55$220.30
Max Pain$226.43$220.00$230.00$220.00$225.00
ATM IV21.8%17.4%27.3%22.0%25.1%
Expected Move6.7%5.6%7.9%6.7%7.5%
HV 20d23.9%20.4%30.2%30.1%24.3%
HV 60d24.3%23.1%26.3%23.5%26.3%
IV Rank46.3%24.5%73.9%47.2%62.9%
IV Percentile82.7%48.0%98.4%94.8%96.0%
Term Structure0.3%-2.7%3.4%-0.8%-0.3%
VWIV23.4%19.9%29.3%23.9%24.6%
Skew 25d3.3%1.7%5.7%3.0%4.7%
Skew 10d7.6%4.5%12.0%6.2%10.7%
Call IV 25d20.6%15.7%25.7%22.0%23.1%
Put IV 25d24.0%17.9%30.0%25.1%27.8%
Bid-Ask Spread %30.3017.5460.3029.5036.35
Gamma HHI0.150.080.260.090.12
Net GEX-3.5M-24.6M27.1M-1.9M-9.5M
Net DEX-122.3M-386.4M200.6M-146.2M-28.3M
Net VEX-3.7M-4.0M-3.5M-3.7M-4.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.460.373.260.931.28
Total Volume12,891.6198,24420,13811,8758,864
Total OI137,123.619116,065155,505127,946147,133

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-03-01$224.55$220.0022.0%6.7%30.1%47.2%23.9%3.0%-0.8%-1.9M-146.2M-3.7M0.9329.506,1685,70756,69871,248
2018-03-02$225.73$220.0022.4%6.6%30.1%49.3%23.9%3.1%-0.1%4.0M-178.6M-3.8M0.9922.214,5334,48657,96872,746
2018-03-05$228.58$230.0020.7%6.6%30.2%40.6%23.6%3.3%-0.1%11.1M-291.6M-3.6M1.8138.414,3737,93556,41770,855
2018-03-06$225.92$230.0021.9%6.7%25.6%47.0%23.4%1.7%-0.7%-5.1M-165.0M-3.7M0.7560.304,7823,57657,53975,662
2018-03-07$227.69$220.0021.0%6.4%25.0%42.2%21.8%2.9%-0.1%-277.1K-239.5M-3.6M0.3729.2512,8984,82458,73476,493
2018-03-08$224.54$220.0020.4%6.7%25.4%39.2%22.4%2.9%-0.0%-9.1M-116.0M-3.7M0.9336.724,2703,97464,06277,339
2018-03-09$225.68$220.0018.2%5.9%20.8%28.4%21.1%2.4%0.5%-4.0M-180.0M-3.5M0.6920.237,2555,00664,30377,586
2018-03-12$223.04$220.0018.4%6.2%20.7%29.3%20.9%2.7%3.4%-14.9M-71.7M-3.5M0.9224.036,8766,32465,11976,277
2018-03-13$226.81$230.0018.0%5.9%20.4%27.3%21.0%2.3%2.6%-4.2M-232.4M-3.7M0.9430.876,4576,09067,41078,812
2018-03-14$225.29$230.0017.9%5.8%20.4%26.9%21.8%2.6%2.3%-24.6M-146.0M-3.7M1.1644.505,0105,79268,61281,022
2018-03-15$229.75$230.0017.7%5.8%21.4%25.8%21.0%2.5%3.2%27.1M-386.4M-3.6M0.9731.777,3757,13069,54182,382
2018-03-16$228.43$230.0017.4%5.6%21.0%24.5%19.9%2.2%3.1%15.8M-320.4M-3.6M0.9537.966,9506,57471,09084,415
2018-03-19$225.01$230.0022.7%6.7%20.7%50.7%23.2%2.9%-2.7%9.3M-203.3M-3.6M2.6926.755,32214,29157,70158,364
2018-03-20$227.05$230.0020.7%6.0%20.4%40.8%21.6%3.1%-0.1%4.7M-202.4M-3.8M1.4628.623,5465,17058,71367,440
2018-03-21$223.16$230.0022.2%6.4%21.2%48.3%22.4%3.7%-0.8%-6.8M-85.1M-3.9M1.4725.083,5125,14659,45969,660
2018-03-22$215.50$230.0026.2%7.6%24.3%68.5%26.0%4.2%-1.2%-15.6M141.1M-3.7M1.1625.957,0308,18860,29870,400
2018-03-23$212.91$227.5027.3%7.9%23.8%73.9%26.2%4.3%-0.3%-14.4M200.6M-3.8M1.9617.544,2768,38363,46070,747
2018-03-26$219.39$227.5024.9%7.3%25.7%61.9%29.3%5.7%-0.3%-12.1M24.3M-4.0M3.1017.894,91515,22359,40170,854
2018-03-27$217.85$227.5026.4%7.8%25.8%69.2%26.2%4.7%-0.2%-11.4M45.7M-4.0M2.8321.324,15711,76861,10479,581
2018-03-28$218.80$227.5026.3%7.8%24.3%68.6%27.3%4.8%-0.7%-11.0M13.3M-4.0M3.2630.963,88912,67961,79481,157
2018-03-29$220.30$225.0025.1%7.5%24.3%62.9%24.6%4.7%-0.3%-9.5M-28.3M-4.0M1.2836.353,8944,97062,22284,911