UNH Options History — April 2010

In April 2010, UNH traded between $29.80 and $33.41. ATM implied volatility averaged 29.8%, placing in the 6.5% IV rank vs the trailing year. The 30-day expected move averaged 8.9%. IV traded above realized volatility by 6.1% (HV 20d: 23.7%). Max pain ranged from $31.00 to $33.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 10 of 21 days. Put/call ratio averaged 0.91.

Notable Days

  • 2010-04-15: Highest Volume — 64,121 contracts
  • 2010-04-15: Largest IV spike — 21.7% change
  • 2010-04-15: Highest IV Rank — 17.4%
  • 2010-04-15: Largest Expected Move — 9.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$31.42$29.80$33.41$32.99$30.31
Max Pain$31.86$31.00$33.00$33.00$31.00
ATM IV29.8%27.2%34.6%27.3%32.3%
Expected Move8.9%7.8%9.9%7.8%9.3%
HV 20d23.7%19.6%29.0%25.5%29.0%
HV 60d28.1%26.5%30.2%30.2%28.1%
IV Rank6.5%0.0%17.4%0.0%14.2%
IV Percentile4.9%0.0%17.5%0.0%11.5%
Term Structure0.0%-2.0%3.8%3.8%1.3%
VWIV31.0%27.5%34.9%27.5%33.4%
Skew 25d4.1%3.4%5.1%3.6%4.4%
Skew 10d8.7%6.8%11.5%7.6%8.3%
Call IV 25d29.3%26.0%32.9%26.3%30.5%
Put IV 25d33.3%29.5%38.0%29.9%35.0%
Bid-Ask Spread %5.543.978.195.505.51
Gamma HHI0.150.090.260.220.13
Net GEX8.6M2.0M19.3M14.7M6.8M
Net DEX-78.6M-260.5M86.9M-192.3M-51.9M
Net VEX-2.1M-2.4M-2.0M-2.4M-2.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.910.202.160.861.80
Total Volume24,156.3339,88964,12111,40511,002
Total OI468,273.667373,428549,939497,807433,084

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2010-04-01$32.99$33.0027.3%7.8%25.5%0.0%27.5%3.6%3.8%14.7M-192.3M-2.4M0.865.506,1225,283316,552181,255
2010-04-05$33.14$33.0029.6%8.9%24.1%5.4%31.9%4.7%-1.2%16.4M-210.6M-2.3M1.073.974,7675,122318,248184,682
2010-04-06$33.41$33.0029.0%8.7%23.2%4.0%30.4%4.5%-1.5%19.3M-260.5M-2.3M1.334.0610,29013,732318,913183,748
2010-04-07$32.93$33.0028.1%8.7%23.8%1.8%31.2%4.1%-1.5%14.7M-169.0M-2.2M0.794.825,9244,680320,931185,392
2010-04-08$32.62$33.0028.9%8.8%24.0%3.8%31.1%3.8%-1.5%11.6M-123.3M-2.2M2.165.3011,17224,090320,931185,392
2010-04-09$32.26$33.0028.3%9.1%24.0%2.3%32.1%3.9%-1.6%2.5M-36.5M-2.1M1.214.6012,18514,716320,485200,616
2010-04-12$32.26$33.0030.2%9.3%23.3%6.9%31.6%4.0%-1.9%6.0M-85.4M-2.1M0.405.8418,6747,553326,931182,862
2010-04-13$32.16$33.0028.9%9.4%22.9%3.8%33.7%4.2%-2.0%5.4M-80.1M-2.1M0.254.0219,4824,963340,028181,296
2010-04-14$31.05$32.0028.4%9.6%25.1%2.6%33.3%4.1%-1.5%2.0M47.0M-2.0M2.054.5514,32529,317345,060182,214
2010-04-15$30.63$32.0034.6%9.9%25.3%17.4%34.9%5.1%-0.7%3.6M86.9M-2.0M0.686.2638,06426,057348,973180,989
2010-04-16$30.73$31.0033.9%9.7%23.1%15.8%34.1%4.3%-0.8%8.2M49.1M-2.1M0.994.857,9587,875370,438179,501
2010-04-19$31.23$31.0032.8%9.4%22.1%13.2%32.3%4.2%-0.8%7.1M-100.6M-2.1M0.595.6413,9128,144242,461130,967
2010-04-20$30.98$31.0028.6%8.2%19.6%3.1%28.0%4.1%0.8%7.0M-74.6M-2.0M0.208.1950,03210,217247,253133,819
2010-04-21$30.26$31.0028.7%8.2%20.8%3.8%28.4%3.4%1.5%7.9M-49.8M-2.1M0.665.7812,7488,375277,218138,935
2010-04-22$30.46$31.0029.1%8.4%20.9%5.1%28.7%4.0%1.6%7.8M-63.5M-2.2M0.786.416,5265,078274,918144,288
2010-04-23$30.95$31.0027.2%7.8%21.4%0.0%28.2%3.5%1.8%8.8M-101.7M-2.2M0.667.676,8034,513274,919144,910
2010-04-26$29.85$31.0029.7%8.5%24.0%7.1%30.0%3.8%1.0%6.4M-13.2M-2.1M0.634.9013,1458,312277,195146,562
2010-04-27$29.80$31.0031.0%8.9%23.7%10.7%30.5%3.9%1.0%6.5M-14.2M-2.1M0.687.4210,8547,332281,422148,837
2010-04-28$30.44$31.0030.9%8.9%25.2%10.2%30.1%4.0%1.3%7.3M-60.3M-2.2M0.265.9015,9554,155277,435151,059
2010-04-29$31.30$31.0029.0%8.3%27.4%5.1%29.5%3.5%1.5%9.9M-145.7M-2.3M1.025.108,8448,985280,703152,325
2010-04-30$30.31$31.0032.3%9.3%29.0%14.2%33.4%4.4%1.3%6.8M-51.9M-2.2M1.805.513,9367,066279,798153,286