UNH Options History — May 2017

In May 2017, UNH traded between $168.04 and $178.23. ATM implied volatility averaged 15.5%, placing in the 18.4% IV rank vs the trailing year. The 30-day expected move averaged 4.5%. IV traded above realized volatility by 3.8% (HV 20d: 11.6%). Max pain ranged from $165.00 to $167.50. Net GEX was positive for 17 of 22 trading days. Term structure was in contango for 12 of 22 days. Put/call ratio averaged 1.82.

Notable Days

  • 2017-05-16: Highest Volume — 22,537 contracts
  • 2017-05-19: Largest IV drop — 9.0% change
  • 2017-05-18: Highest IV Rank — 38.6%
  • 2017-05-18: Largest Expected Move — 5.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$173.69$168.04$178.23$175.18$175.18
Max Pain$165.11$165.00$167.50$165.00$167.50
ATM IV15.5%14.4%18.0%14.4%15.5%
Expected Move4.5%4.0%5.2%4.0%4.6%
HV 20d11.6%9.1%13.8%9.1%13.8%
HV 60d13.9%12.0%15.6%15.3%12.3%
IV Rank18.4%9.7%38.6%10.1%18.6%
IV Percentile22.2%7.5%54.0%7.9%25.0%
Term Structure0.1%-1.4%1.7%-0.6%0.1%
VWIV16.9%14.4%18.9%14.4%17.1%
Skew 25d2.6%1.8%3.8%1.8%2.1%
Skew 10d6.1%4.3%8.6%5.0%5.6%
Call IV 25d14.6%13.2%16.6%13.5%15.2%
Put IV 25d17.2%15.4%20.4%15.4%17.4%
Bid-Ask Spread %19.819.4583.9643.7714.75
Gamma HHI0.180.100.420.150.19
Net GEX7.9M-56.3M64.2M15.1M16.2M
Net DEX-335.9M-520.4M17.6M-441.0M-347.8M
Net VEX-3.5M-3.8M-3.1M-3.3M-3.4M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.820.614.182.151.63
Total Volume11,223.7735,34222,5377,16112,114
Total OI169,395.364155,073188,245155,073170,904

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2017-05-01$175.18$165.0014.4%4.0%9.1%10.1%14.4%1.8%-0.6%15.1M-441.0M-3.3M2.1543.772,2764,88557,09397,980
2017-05-02$173.97$165.0015.7%4.3%9.4%20.1%16.4%2.6%0.4%11.0M-371.5M-3.3M1.5083.965,8598,80957,51599,513
2017-05-03$172.53$165.0015.9%4.7%9.9%22.2%16.3%2.9%0.5%8.8M-299.8M-3.5M2.3476.122,2405,23359,864101,718
2017-05-04$174.19$165.0014.7%4.4%10.2%12.5%16.3%2.5%0.8%12.0M-414.7M-3.2M1.2915.543,5064,52060,118103,227
2017-05-05$174.05$165.0014.8%4.3%10.3%12.8%16.2%2.0%1.1%10.7M-377.5M-3.5M1.1216.184,7195,30460,244103,898
2017-05-08$174.22$165.0014.4%4.3%10.3%10.0%15.9%2.7%0.4%17.1M-398.1M-3.1M0.6110.777,3064,48159,742102,786
2017-05-09$172.91$165.0014.9%4.2%10.7%13.9%16.7%2.1%-0.2%10.3M-337.5M-3.4M1.4710.292,1673,17563,916104,366
2017-05-10$173.28$165.0014.7%4.2%10.7%12.3%15.7%2.3%-0.1%12.8M-368.2M-3.5M1.2810.724,3075,51764,330104,868
2017-05-11$173.30$165.0014.4%4.2%10.6%9.7%16.1%2.5%0.5%12.7M-365.3M-3.6M1.5311.733,1394,78866,542105,527
2017-05-12$171.68$165.0014.9%4.6%11.3%14.0%17.0%2.6%1.7%5.5M-238.7M-3.7M2.7112.212,5606,93866,909107,640
2017-05-15$171.09$165.0015.8%4.6%11.5%20.7%17.2%3.1%-0.7%-5.7M-203.7M-3.6M2.9011.273,77010,93164,345108,398
2017-05-16$168.04$165.0016.3%4.7%11.8%25.3%17.5%3.4%0.3%-21.9M17.6M-3.5M2.2313.156,97515,56265,314113,963
2017-05-17$169.17$165.0017.6%5.0%12.0%35.4%18.9%3.8%-0.7%-32.3M-30.4M-3.8M2.5012.394,70011,72767,677119,290
2017-05-18$172.01$165.0018.0%5.2%12.5%38.6%18.1%3.6%-1.4%-15.8M-272.7M-3.7M1.219.455,9447,19867,784118,309
2017-05-19$172.70$165.0016.4%4.6%12.5%25.6%18.0%3.4%1.2%-56.3M-360.4M-3.7M1.3013.434,7846,20069,016119,229
2017-05-22$174.52$165.0016.0%4.6%13.0%22.3%17.5%2.9%-0.4%15.3M-344.7M-3.4M1.6510.383,6726,05257,607102,873
2017-05-23$175.13$165.0015.4%4.4%12.5%18.0%17.1%2.1%-0.1%19.5M-370.7M-3.5M1.6011.534,7537,59858,621103,697
2017-05-24$175.62$165.0015.5%4.5%12.5%19.0%16.9%2.0%-0.1%24.3M-415.4M-3.4M1.4014.374,3856,11861,251106,195
2017-05-25$178.23$165.0014.8%4.3%13.5%13.0%16.7%1.9%0.2%26.9M-520.4M-3.5M1.6510.124,1156,78561,407106,813
2017-05-26$177.46$165.0014.6%4.2%13.6%11.5%16.0%2.4%0.1%64.2M-500.5M-3.3M1.8010.553,7956,83761,815107,648
2017-05-30$176.67$165.0015.5%4.4%13.7%19.1%18.9%2.1%-0.0%23.0M-427.3M-3.5M4.1813.102,1589,02160,657106,089
2017-05-31$175.18$167.5015.5%4.6%13.8%18.6%17.1%2.1%0.1%16.2M-347.8M-3.4M1.6314.754,6107,50461,178109,726