UNH Options History — May 2019

In May 2019, UNH traded between $231.46 and $249.87. ATM implied volatility averaged 23.5%, placing in the 38.0% IV rank vs the trailing year. The 30-day expected move averaged 6.7%. IV traded below realized volatility by 4.4% (HV 20d: 27.9%). Max pain ranged from $230.00 to $240.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 15 of 22 days. Put/call ratio averaged 0.54.

Notable Days

  • 2019-05-21: Highest Volume — 71,328 contracts
  • 2019-05-07: Largest IV spike — 14.4% change
  • 2019-05-07: Highest IV Rank — 50.4%
  • 2019-05-07: Largest Expected Move — 7.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$240.59$231.46$249.87$231.90$242.28
Max Pain$235.91$230.00$240.00$230.00$240.00
ATM IV23.5%20.7%26.7%23.2%24.1%
Expected Move6.7%5.9%7.6%7.0%7.0%
HV 20d27.9%20.2%39.6%37.2%21.3%
HV 60d31.3%27.6%32.9%32.2%27.6%
IV Rank38.0%27.7%50.4%37.2%40.5%
IV Percentile73.7%54.8%89.7%75.8%79.4%
Term Structure0.2%-0.8%1.0%0.7%-0.8%
VWIV23.6%21.1%26.8%24.6%24.2%
Skew 25d3.9%2.8%4.7%2.8%4.5%
Skew 10d8.1%6.2%10.6%6.2%9.8%
Call IV 25d21.9%19.3%25.1%21.9%22.9%
Put IV 25d25.8%22.7%29.3%24.7%27.4%
Bid-Ask Spread %16.116.9127.3424.118.36
Gamma HHI0.120.090.160.090.10
Net GEX57.5M25.5M92.8M36.8M25.5M
Net DEX-627.0M-1.06B-247.8M-281.8M-383.3M
Net VEX-7.6M-8.1M-7.0M-7.9M-7.4M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.540.280.850.540.64
Total Volume28,921.68217,60671,32820,66124,086
Total OI269,612.5227,038297,482289,949260,515

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2019-05-01$231.90$230.0023.2%7.0%37.2%37.2%24.6%2.8%0.7%36.8M-281.8M-7.9M0.5424.1113,3797,282164,828125,121
2019-05-02$231.46$230.0023.8%7.0%37.1%39.4%24.9%3.2%0.0%32.0M-247.8M-7.8M0.6416.6417,39611,187166,338127,797
2019-05-03$231.81$230.0023.6%6.9%37.1%38.6%24.3%3.0%0.5%29.1M-248.6M-7.8M0.7317.7715,34911,146167,063130,419
2019-05-06$239.76$230.0023.4%6.9%39.2%37.6%24.2%3.5%0.7%76.6M-879.4M-8.1M0.4118.1932,06913,014160,030122,093
2019-05-07$237.60$230.0026.7%7.6%39.3%50.4%26.8%4.2%0.4%61.8M-673.3M-8.1M0.5027.3423,24811,577161,128125,316
2019-05-08$240.12$230.0025.1%7.2%39.6%44.4%25.0%3.9%0.6%75.3M-848.8M-8.1M0.6225.5512,4857,787158,748126,672
2019-05-09$238.61$240.0025.9%7.3%39.5%47.1%25.6%4.2%0.7%62.7M-688.8M-8.1M0.5826.6814,2368,256159,163128,070
2019-05-10$241.28$230.0023.0%6.7%35.9%36.2%23.7%3.6%0.5%73.1M-933.5M-7.9M0.5421.6618,4249,947159,314128,912
2019-05-13$239.12$230.0025.9%7.4%28.8%47.1%25.6%4.3%0.1%58.8M-659.1M-7.7M0.2820.4917,2264,792149,342122,840
2019-05-14$237.03$240.0025.0%7.0%26.4%44.0%24.5%4.7%-0.8%56.3M-487.8M-7.3M0.4117.2118,8087,633152,029124,785
2019-05-15$236.51$240.0023.4%6.5%21.6%37.9%23.3%3.9%-0.7%58.6M-444.1M-7.2M0.3314.8913,2524,354155,066126,181
2019-05-16$236.71$230.0021.7%6.2%20.6%31.4%22.4%3.7%-0.4%55.8M-439.4M-7.0M0.4714.4716,1797,531155,089126,414
2019-05-17$241.54$240.0021.7%6.3%20.7%31.3%21.9%3.6%0.5%73.0M-924.6M-7.2M0.5312.2324,08912,790155,367127,372
2019-05-20$245.92$240.0022.9%6.5%20.3%35.8%23.2%4.1%0.6%76.3M-813.7M-7.3M0.5312.1323,79912,715126,016101,022
2019-05-21$249.60$240.0021.3%6.1%20.4%30.0%22.2%3.6%0.8%92.8M-1.06B-7.4M0.766.9140,57930,749129,416104,917
2019-05-22$249.87$240.0020.7%5.9%20.2%27.7%21.2%3.4%0.9%81.7M-1.01B-7.6M0.859.7914,83512,666133,569109,667
2019-05-23$245.12$240.0022.8%6.5%21.8%35.7%22.5%4.0%0.1%50.0M-621.8M-7.7M0.6412.7117,60511,263137,269112,264
2019-05-24$247.95$240.0021.2%6.0%21.0%29.6%21.1%3.7%1.0%80.0M-858.5M-7.7M0.5512.1018,88310,328140,996114,845
2019-05-28$243.18$240.0023.4%6.6%22.4%37.6%22.9%4.1%-0.7%36.6M-444.4M-7.3M0.4911.5012,1786,018136,772109,454
2019-05-29$242.46$240.0023.8%6.8%21.4%39.1%22.3%4.3%-0.7%31.3M-390.9M-7.3M0.3312.0021,1147,025140,158111,227
2019-05-30$243.21$240.0023.3%6.7%21.2%37.6%22.8%4.3%-0.7%39.8M-454.3M-7.4M0.6011.6211,8637,135145,607112,264
2019-05-31$242.28$240.0024.1%7.0%21.3%40.5%24.2%4.5%-0.8%25.5M-383.3M-7.4M0.648.3614,7209,366147,025113,490