UNH Options History — May 2014

In May 2014, UNH traded between $74.95 and $79.63. ATM implied volatility averaged 15.3%, placing in the 3.1% IV rank vs the trailing year. The 30-day expected move averaged 6.5%. IV traded below realized volatility by 3.4% (HV 20d: 18.8%). Max pain ranged from $75.00 to $75.00. Net GEX was positive for 20 of 21 trading days. Term structure was in contango for 12 of 21 days. Put/call ratio averaged 0.99.

Notable Days

  • 2014-05-08: Highest Volume — 13,591 contracts
  • 2014-05-16: Largest IV drop — 8.9% change
  • 2014-05-15: Highest IV Rank — 8.3%
  • 2014-05-01: Largest Expected Move — 6.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$77.32$74.95$79.63$74.95$79.63
Max Pain$75.00$75.00$75.00$75.00$75.00
ATM IV15.3%13.3%17.0%17.0%14.1%
Expected Move6.5%6.3%6.7%6.7%6.4%
HV 20d18.8%16.6%22.3%17.9%16.6%
HV 60d18.4%17.4%19.5%18.8%17.4%
IV Rank3.1%0.0%8.3%6.7%4.8%
IV Percentile1.3%0.0%6.0%4.8%0.8%
Term Structure0.1%-1.4%1.0%0.0%-0.1%
VWIV23.2%21.4%26.0%24.1%23.1%
Skew 25d1.8%1.2%2.8%1.8%1.6%
Skew 10d4.1%0.9%6.5%2.8%3.3%
Call IV 25d14.8%13.0%16.5%16.5%13.8%
Put IV 25d16.6%14.8%18.3%18.3%15.3%
Bid-Ask Spread %12.5710.0717.5912.9410.56
Gamma HHI0.160.080.240.080.21
Net GEX10.0M-6.1M16.9M477.8K16.5M
Net DEX-162.6M-278.2M-39.3M-39.3M-278.2M
Net VEX-1.6M-1.7M-1.4M-1.4M-1.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.990.322.120.590.69
Total Volume5,392.7621,83113,5912,5703,878
Total OI152,611.857138,801166,331140,441155,848

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2014-05-01$74.95$75.0017.0%6.7%17.9%6.7%24.1%1.8%0.0%477.8K-39.3M-1.4M0.5912.941,61695475,84164,600
2014-05-02$75.03$75.0016.8%6.7%17.5%4.7%25.0%1.7%0.2%-6.1M-44.4M-1.4M1.8610.231,5842,95176,53765,036
2014-05-05$75.23$75.0016.2%6.7%17.6%0.0%23.8%1.5%0.5%1.8M-52.6M-1.4M0.8312.593,7303,09574,09964,702
2014-05-06$75.26$75.0015.9%6.7%17.7%0.0%0.0%1.6%0.7%2.3M-56.1M-1.4M0.3616.609,7483,47776,63966,685
2014-05-07$77.91$75.0015.5%6.4%22.3%0.0%23.9%1.5%0.6%11.2M-200.4M-1.5M0.5314.327,2123,83581,69369,344
2014-05-08$76.89$75.0016.0%6.6%22.2%3.5%23.6%1.4%0.8%9.8M-153.5M-1.6M1.2217.596,1207,47184,58871,094
2014-05-09$76.95$75.0016.1%6.6%21.6%3.8%24.0%1.4%0.6%10.7M-151.5M-1.7M0.9410.982,3682,22387,54776,051
2014-05-12$77.74$75.0016.1%6.6%21.6%4.0%22.0%1.7%-0.1%11.8M-192.4M-1.6M1.1512.252,4082,77386,63475,491
2014-05-13$78.04$75.0015.8%6.6%21.6%2.1%22.2%1.8%-0.0%13.0M-209.1M-1.7M0.8111.422,1881,77487,69977,332
2014-05-14$77.17$75.0016.2%6.5%21.8%4.7%24.4%2.0%-0.2%9.8M-149.8M-1.7M2.0114.606301,26588,49477,837
2014-05-15$76.48$75.0016.7%6.5%21.3%8.3%21.9%1.9%-1.4%7.5M-109.4M-1.7M1.1312.711,2081,36186,31576,635
2014-05-16$76.65$75.0015.2%6.5%18.0%0.0%21.7%1.8%-0.8%7.7M-111.6M-1.6M0.3210.813,6561,18585,98476,841
2014-05-19$77.20$75.0014.8%6.5%17.6%0.0%0.0%2.8%1.0%11.2M-155.3M-1.6M1.7111.422,3744,06576,08166,686
2014-05-20$76.66$75.0014.7%6.5%17.5%0.0%23.3%2.8%0.4%9.5M-126.4M-1.6M0.6117.501,6581,00677,36768,655
2014-05-21$77.72$75.0014.4%6.5%18.0%0.0%21.4%2.0%0.1%14.0M-182.5M-1.6M0.5813.171,16067178,12569,020
2014-05-22$78.34$75.0014.1%6.4%17.3%0.0%22.2%2.0%0.6%16.5M-224.4M-1.6M2.1211.183,1236,61478,57069,201
2014-05-23$78.77$75.0013.3%6.4%16.6%0.0%22.3%1.9%1.0%14.9M-241.7M-1.6M0.7511.381,9931,50379,77974,114
2014-05-27$79.11$75.0014.5%6.4%16.6%7.1%26.0%1.4%-0.1%15.1M-247.8M-1.6M0.8910.071,6951,50878,40173,235
2014-05-28$78.58$75.0014.4%6.4%16.6%7.1%22.7%1.2%-0.1%14.5M-221.3M-1.6M0.7011.001,6711,17478,76873,445
2014-05-29$79.37$75.0014.5%6.3%16.7%7.6%22.7%1.7%-0.3%16.9M-265.8M-1.5M0.9110.572,2692,05479,76874,068
2014-05-30$79.63$75.0014.1%6.4%16.6%4.8%23.1%1.6%-0.1%16.5M-278.2M-1.6M0.6910.562,2891,58980,85874,990