UNH Options History — October 2025

In October 2025, UNH traded between $341.06 and $371.01. ATM implied volatility averaged 41.7%, placing in the 41.3% IV rank vs the trailing year. The 30-day expected move averaged 11.4%. IV traded above realized volatility by 15.3% (HV 20d: 26.3%). Max pain ranged from $320.00 to $340.00. Net GEX was positive for 23 of 23 trading days. Term structure was in contango for 2 of 23 days. Put/call ratio averaged 0.41.

Notable Days

  • 2025-10-03: Highest Volume — 461,684 contracts
  • 2025-10-28: Largest IV drop — 14.6% change
  • 2025-10-01: Highest IV Rank — 48.8%
  • 2025-10-16: Largest Expected Move — 12.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$359.05$341.06$371.01$348.07$341.06
Max Pain$323.91$320.00$340.00$320.00$340.00
ATM IV41.7%32.6%45.8%45.8%33.3%
Expected Move11.4%9.7%12.5%11.0%9.7%
HV 20d26.3%21.3%36.3%36.0%27.8%
HV 60d43.7%38.2%46.3%45.8%39.0%
IV Rank41.3%24.8%48.8%48.8%26.0%
IV Percentile76.5%34.9%87.7%87.7%41.3%
Term Structure-1.3%-2.7%1.4%-1.1%-0.8%
VWIV40.7%34.3%44.3%40.3%34.3%
Skew 25d0.3%-2.6%2.6%-0.3%0.8%
Skew 10d0.7%-3.3%4.1%-0.5%0.9%
Call IV 25d42.0%32.5%46.7%46.7%32.5%
Put IV 25d42.3%33.2%46.7%46.4%33.2%
Bid-Ask Spread %24.0515.5031.3228.2031.32
Gamma HHI0.060.050.180.060.08
Net GEX347.2M68.4M677.7M354.4M68.4M
Net DEX-12.81B-17.10B-7.30B-12.15B-7.30B
Net VEX-94.6M-98.3M-86.6M-94.5M-86.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.410.240.670.320.50
Total Volume181,966.47882,020461,684148,793191,288
Total OI1,747,738.871,643,1071,818,7581,745,7711,818,758

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-10-01$348.07$320.0045.8%11.0%36.0%48.8%40.3%-0.3%-1.1%354.4M-12.15B-94.5M0.3228.20113,01635,7771,169,479576,292
2025-10-02$352.94$320.0045.0%10.3%36.1%47.3%37.1%-0.8%-1.4%457.1M-13.41B-97.0M0.2723.13192,17451,6141,186,391581,444
2025-10-03$360.39$320.0044.9%10.1%36.3%47.2%36.1%-0.4%-2.1%677.7M-15.46B-96.6M0.2415.50370,95590,7291,194,970587,630
2025-10-06$358.84$320.0044.4%11.8%36.2%46.4%42.4%-1.0%-1.5%391.9M-13.95B-95.5M0.3927.1196,71738,1151,150,718566,342
2025-10-07$364.33$320.0044.7%11.9%21.8%46.8%42.9%-1.3%-1.6%440.8M-15.37B-96.4M0.2721.30110,03629,8161,170,917577,975
2025-10-08$371.01$320.0044.0%11.7%22.4%45.5%42.3%-2.6%-1.8%520.1M-17.10B-98.0M0.2823.75234,12064,8351,182,494583,932
2025-10-09$368.04$320.0043.3%11.6%21.3%44.2%41.4%1.0%-1.4%480.8M-15.89B-97.0M0.3322.15159,99653,5001,186,832596,232
2025-10-10$353.71$320.0043.9%11.9%25.8%45.3%42.1%0.0%-0.9%276.3M-12.12B-95.1M0.3224.39205,17665,1991,202,240604,878
2025-10-13$358.18$320.0044.2%12.0%25.5%45.9%43.0%-0.5%-1.2%342.4M-13.05B-95.1M0.4228.5583,53734,9591,169,266574,704
2025-10-14$359.67$320.0043.8%12.2%23.8%45.1%43.6%0.2%-0.9%375.3M-13.46B-98.0M0.3728.2160,03821,9821,189,598588,795
2025-10-15$360.42$320.0044.7%12.1%23.8%46.9%43.2%1.4%-2.1%383.6M-13.53B-98.3M0.3326.3172,43824,1871,194,976593,355
2025-10-16$355.57$320.0045.6%12.5%23.6%48.5%44.3%2.6%-2.2%326.7M-12.33B-96.3M0.6730.7664,05242,5951,201,145597,655
2025-10-17$356.90$320.0044.0%12.2%23.5%45.6%43.1%1.1%-2.7%287.8M-12.46B-96.0M0.4827.33104,86849,8851,201,144607,854
2025-10-20$364.44$320.0042.4%12.0%24.2%42.7%42.9%1.4%-0.5%320.8M-12.86B-96.7M0.5825.8863,15736,3621,105,950541,395
2025-10-21$367.15$320.0041.7%11.9%23.6%41.4%41.8%0.1%-2.4%367.4M-13.64B-95.8M0.4817.6772,03234,9161,121,170546,330
2025-10-22$359.86$320.0042.4%12.2%24.6%42.6%43.3%1.1%-1.1%291.2M-11.96B-94.8M0.4119.1165,64727,1751,130,033553,315
2025-10-23$360.32$320.0041.9%12.1%23.5%41.8%42.7%0.7%-2.5%296.4M-11.89B-94.8M0.6020.4469,71942,0401,137,254559,479
2025-10-24$363.40$330.0038.9%11.3%23.5%36.2%40.4%1.7%-2.3%342.3M-12.57B-92.8M0.4819.1677,16137,0781,141,832570,620
2025-10-27$364.89$330.0039.5%11.9%23.4%37.4%42.2%-0.6%-1.9%293.2M-12.55B-92.4M0.5519.17137,21875,9581,097,610545,497
2025-10-28$368.22$330.0033.8%10.1%23.5%26.9%35.9%0.8%-0.4%368.1M-13.37B-91.8M0.4123.89272,109110,8161,153,772572,001
2025-10-29$356.24$340.0033.9%10.1%26.7%27.2%35.9%0.9%1.4%218.5M-10.45B-89.1M0.3727.06152,11055,8261,176,444588,130
2025-10-30$344.60$340.0032.6%9.7%28.8%24.8%34.5%0.9%0.9%103.4M-7.87B-87.5M0.4622.73132,76361,5381,199,364601,782
2025-10-31$341.06$340.0033.3%9.7%27.8%26.0%34.3%0.8%-0.8%68.4M-7.30B-86.6M0.5031.32127,75263,5361,216,286602,472