UNH Options History — February 2018

In February 2018, UNH traded between $217.88 and $235.03. ATM implied volatility averaged 23.7%, placing in the 63.3% IV rank vs the trailing year. The 30-day expected move averaged 6.8%. IV traded below realized volatility by 7.0% (HV 20d: 30.8%). Max pain ranged from $220.00 to $220.00. Net GEX was positive for 18 of 19 trading days. Term structure was in contango for 8 of 19 days. Put/call ratio averaged 1.39.

Notable Days

  • 2018-02-12: Highest Volume — 20,258 contracts
  • 2018-02-05: Largest IV spike — 34.5% change
  • 2018-02-05: Highest IV Rank — 100.0%
  • 2018-02-08: Largest Expected Move — 8.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$227.35$217.88$235.03$235.03$226.69
Max Pain$220.00$220.00$220.00$220.00$220.00
ATM IV23.7%19.0%32.6%21.7%20.3%
Expected Move6.8%5.4%8.8%6.0%6.1%
HV 20d30.8%24.5%33.5%24.5%30.0%
HV 60d22.7%18.7%24.0%18.7%23.4%
IV Rank63.3%32.2%100.0%87.5%38.7%
IV Percentile93.3%69.8%100.0%98.8%85.7%
Term Structure-0.4%-3.6%1.0%-0.0%-0.8%
VWIV24.9%20.6%33.2%22.8%21.4%
Skew 25d3.6%1.8%6.0%1.8%3.2%
Skew 10d7.6%3.7%13.5%4.1%6.9%
Call IV 25d23.0%18.3%30.1%21.4%19.7%
Put IV 25d26.5%20.9%36.0%23.3%22.9%
Bid-Ask Spread %39.2815.0170.8443.2422.32
Gamma HHI0.130.060.500.100.09
Net GEX9.8M-2.3M44.5M13.0M4.6M
Net DEX-187.7M-411.5M64.8M-304.3M-224.5M
Net VEX-3.5M-3.8M-3.3M-3.3M-3.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.390.572.491.690.86
Total Volume11,905.2638,52020,25812,98010,599
Total OI123,681.368115,431135,162119,681125,313

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2018-02-01$235.03$220.0021.7%6.0%24.5%87.5%22.8%1.8%-0.0%13.0M-304.3M-3.3M1.6943.244,8248,15656,55863,123
2018-02-02$231.92$220.0021.4%6.6%25.1%85.0%23.5%2.2%0.2%11.2M-188.5M-3.3M1.0744.746,1256,55057,40566,053
2018-02-05$221.57$220.0028.8%8.3%29.4%100.0%28.5%4.5%1.0%2.4M-42.8M-3.4M1.4270.846,0188,52453,84762,600
2018-02-06$225.36$220.0029.3%7.9%29.4%100.0%29.4%3.5%-1.9%3.5M-82.5M-3.4M1.3555.556,1808,36154,84065,588
2018-02-07$226.71$220.0025.7%7.0%29.4%78.7%25.3%3.8%-1.5%6.2M-125.2M-3.4M1.1143.145,8336,48356,45465,343
2018-02-08$217.88$220.0031.0%8.8%32.6%100.0%32.5%2.7%-0.6%-2.3M64.8M-3.6M1.3566.974,0735,51757,19666,058
2018-02-09$221.20$220.0032.6%8.8%33.0%100.0%31.6%5.9%-3.6%2.7M7.5M-3.7M1.2966.846,6908,64258,96166,434
2018-02-12$225.58$220.0026.2%7.5%33.5%68.2%33.2%6.0%-0.4%7.2M-127.1M-3.6M2.4963.645,81014,44856,67463,886
2018-02-13$226.73$220.0024.7%7.1%32.3%61.0%26.7%5.0%0.1%3.6M-120.4M-3.8M1.4144.174,9927,02958,94573,030
2018-02-14$228.81$220.0022.3%6.4%31.5%48.7%23.6%4.0%0.2%9.2M-209.7M-3.6M2.2536.323,8458,65259,59972,032
2018-02-15$225.98$220.0022.2%6.3%30.6%48.1%23.3%3.3%0.7%4.4M-133.1M-3.5M1.1531.125,2616,03360,50772,786
2018-02-16$230.00$220.0021.5%6.1%31.5%44.7%21.9%2.8%0.3%44.5M-269.0M-3.6M1.1627.734,1744,83761,84273,320
2018-02-20$226.82$220.0022.5%6.5%31.7%49.8%23.2%3.5%0.0%7.1M-230.4M-3.5M1.7329.383,4756,00450,03165,400
2018-02-21$225.57$220.0022.1%6.3%31.4%47.9%22.9%3.7%-0.4%4.2M-198.6M-3.5M1.7624.543,4035,98851,10867,396
2018-02-22$227.11$220.0021.4%6.1%31.6%44.5%21.5%3.1%-0.0%6.6M-235.8M-3.5M1.3621.243,9625,37951,96968,708
2018-02-23$230.06$220.0019.0%5.4%32.2%32.2%21.1%2.6%0.1%25.5M-327.3M-3.3M1.6021.664,1536,63652,79269,997
2018-02-26$233.77$220.0019.1%5.5%32.4%32.6%20.6%3.0%-0.0%15.4M-411.5M-3.4M0.5717.947,0303,99451,56368,860
2018-02-27$232.94$220.0019.6%5.6%32.4%35.5%20.7%3.0%-0.1%16.9M-407.5M-3.5M0.7915.014,7673,75354,27869,450
2018-02-28$226.69$220.0020.3%6.1%30.0%38.7%21.4%3.2%-0.8%4.6M-224.5M-3.6M0.8622.325,7094,89055,32669,987