UNH Options History — August 2018

In August 2018, UNH traded between $253.58 and $268.60. ATM implied volatility averaged 14.3%, placing in the 9.1% IV rank vs the trailing year. The 30-day expected move averaged 4.1%. IV traded above realized volatility by 1.8% (HV 20d: 12.6%). Max pain ranged from $240.00 to $250.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 10 of 23 days. Put/call ratio averaged 0.88.

Notable Days

  • 2018-08-22: Highest Volume — 28,099 contracts
  • 2018-08-15: Largest IV spike — 8.2% change
  • 2018-08-01: Highest IV Rank — 15.4%
  • 2018-08-01: Largest Expected Move — 4.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$261.99$253.58$268.60$253.58$268.02
Max Pain$243.48$240.00$250.00$250.00$250.00
ATM IV14.3%13.4%15.6%15.6%13.5%
Expected Move4.1%3.7%4.6%4.6%3.7%
HV 20d12.6%9.3%17.1%17.1%9.4%
HV 60d14.7%13.4%16.8%16.8%13.4%
IV Rank9.1%4.4%15.4%15.4%4.7%
IV Percentile8.9%0.8%20.6%20.6%0.8%
Term Structure0.1%-0.7%1.9%1.9%0.6%
VWIV14.9%13.2%16.3%16.3%13.2%
Skew 25d2.3%1.7%3.4%2.4%1.8%
Skew 10d4.5%1.2%8.0%1.2%3.5%
Call IV 25d13.6%12.7%14.6%14.6%12.9%
Put IV 25d15.9%14.6%17.5%17.0%14.6%
Bid-Ask Spread %10.846.9817.5111.458.29
Gamma HHI0.170.120.270.170.14
Net GEX59.6M34.6M94.1M34.6M73.2M
Net DEX-966.1M-1.30B-628.6M-628.6M-1.25B
Net VEX-4.5M-4.8M-4.3M-4.8M-4.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.880.241.771.290.73
Total Volume14,390.9137,22228,0997,64213,163
Total OI152,545.174136,513172,021137,678172,021

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-08-01$253.58$250.0015.6%4.6%17.1%15.4%16.3%2.4%1.9%34.6M-628.6M-4.8M1.2911.453,3324,31075,00762,671
2018-08-02$256.09$250.0015.0%4.3%16.8%12.6%15.4%2.2%0.5%46.2M-755.1M-4.6M1.2513.183,9314,90775,52262,925
2018-08-03$256.94$250.0014.3%4.0%16.8%8.7%14.6%2.3%-0.1%54.1M-806.8M-4.6M1.149.604,1304,70176,14663,965
2018-08-06$256.80$240.0014.3%3.9%16.2%8.7%14.4%2.2%-0.4%44.0M-757.2M-4.5M1.0114.054,3354,37573,59562,918
2018-08-07$257.80$240.0014.5%3.9%16.1%10.0%15.2%2.0%-0.7%49.5M-797.0M-4.5M1.219.483,2673,95574,39563,364
2018-08-08$259.08$240.0013.4%3.9%16.2%4.4%14.8%2.1%-0.1%57.3M-867.6M-4.4M1.779.974,3417,69974,96163,917
2018-08-09$262.11$240.0013.6%3.9%16.6%5.2%14.6%2.0%-0.1%71.5M-1.01B-4.3M0.698.348,4805,85475,78166,908
2018-08-10$260.27$240.0014.4%4.1%16.5%9.3%14.9%2.2%-0.1%60.1M-906.1M-4.5M0.987.597,1176,99677,30567,792
2018-08-13$261.44$240.0014.1%4.1%16.4%7.7%14.5%2.5%0.3%54.0M-933.7M-4.4M1.057.037,6398,02274,74667,562
2018-08-14$263.67$240.0014.1%4.1%11.9%7.8%15.7%2.5%0.3%63.2M-1.04B-4.4M1.056.987,2427,61776,59770,191
2018-08-15$260.79$240.0015.3%4.3%10.6%13.6%16.2%2.7%-0.1%45.3M-901.0M-4.5M0.908.168,4537,58077,79971,659
2018-08-16$262.70$240.0014.7%4.2%10.2%10.6%14.4%2.6%-0.2%54.5M-985.7M-4.5M1.298.698,55511,02381,54073,459
2018-08-17$262.35$240.0015.0%4.3%10.2%12.4%15.9%3.4%-0.0%42.2M-953.2M-4.6M0.937.898,4827,92682,42278,407
2018-08-20$262.41$240.0014.5%4.1%10.1%9.9%15.0%3.0%0.4%45.6M-898.2M-4.6M0.7511.597,9215,94177,51172,365
2018-08-21$261.95$240.0014.0%4.0%10.2%7.3%14.5%2.7%-0.1%48.2M-901.4M-4.5M0.629.038,2335,08578,90973,473
2018-08-22$261.00$240.0015.0%4.3%10.2%12.4%16.0%2.3%-0.0%46.8M-857.4M-4.6M0.2413.3122,6895,41080,64674,743
2018-08-23$261.90$240.0014.7%4.2%9.8%10.8%15.5%2.3%-0.0%59.3M-919.3M-4.6M0.5716.739,1265,21191,80575,594
2018-08-24$264.17$240.0014.2%4.1%9.9%8.5%15.1%2.1%0.2%78.3M-1.05B-4.6M0.5012.6811,4045,68993,35976,514
2018-08-27$267.06$250.0014.0%4.0%9.5%7.1%14.6%2.0%0.6%68.5M-1.15B-4.5M0.3812.3316,0866,14890,61471,383
2018-08-28$268.60$250.0013.9%4.0%9.5%6.6%14.5%1.9%0.5%88.1M-1.30B-4.5M0.6113.2210,7446,58195,66772,290
2018-08-29$268.58$250.0013.7%3.8%9.6%6.0%13.9%1.7%0.3%92.0M-1.29B-4.5M0.5712.268,7434,96995,36473,733
2018-08-30$268.43$250.0014.4%3.9%9.3%9.1%13.9%2.0%-0.2%94.1M-1.26B-4.8M0.6417.518,2775,30296,28074,714
2018-08-31$268.02$250.0013.5%3.7%9.4%4.7%13.2%1.8%0.6%73.2M-1.25B-4.6M0.738.297,6105,55396,44975,572