VOO Options History — August 2025

In August 2025, VOO traded between $571.72 and $596.74. ATM implied volatility averaged 12.7%, placing in the 8.5% IV rank vs the trailing year. The 30-day expected move averaged 3.7%. IV traded above realized volatility by 2.3% (HV 20d: 10.4%). Max pain ranged from $565.00 to $585.00. Net GEX was positive for 19 of 21 trading days. Term structure was in contango for 18 of 21 days. Put/call ratio averaged 0.78.

Notable Days

  • 2025-08-28: Highest Volume — 24,656 contracts
  • 2025-08-04: Largest IV drop — 15.7% change
  • 2025-08-01: Highest IV Rank — 19.3%
  • 2025-08-01: Largest Expected Move — 4.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$587.64$571.72$596.74$571.72$592.74
Max Pain$583.57$565.00$585.00$565.00$585.00
ATM IV12.7%11.3%16.6%16.6%12.3%
Expected Move3.7%3.2%4.8%4.8%3.5%
HV 20d10.4%9.0%11.9%9.0%9.9%
HV 60d10.3%9.3%11.9%11.6%9.8%
IV Rank8.5%4.4%19.3%19.3%7.2%
IV Percentile22.0%6.3%69.8%69.8%18.3%
Term Structure0.3%-0.5%0.9%-0.5%0.4%
VWIV13.7%12.0%17.0%17.0%12.4%
Skew 25d4.8%4.0%7.3%7.3%4.7%
Skew 10d10.3%4.1%16.6%15.8%12.3%
Call IV 25d10.7%9.6%13.7%13.7%10.1%
Put IV 25d15.5%14.0%21.0%21.0%14.8%
Bid-Ask Spread %47.1839.2566.2266.2253.93
Gamma HHI0.130.070.340.240.24
Net GEX63.2M-28.9M134.8M-28.9M-16.1M
Net DEX-1.01B-1.21B-624.8M-624.8M-856.1M
Net VEX-4.6M-5.2M-4.3M-4.9M-5.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.780.333.411.020.84
Total Volume5,177.3332,44124,6567,9744,615
Total OI65,98160,53389,18563,97989,185

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-08-01$571.72$565.0016.6%4.8%9.0%19.3%17.0%7.3%-0.5%-28.9M-624.8M-4.9M1.0266.223,9434,03135,66828,311
2025-08-04$579.42$585.0014.0%4.0%9.5%12.0%14.9%6.2%0.1%41.2M-853.6M-4.7M0.3439.253,2061,10533,86626,667
2025-08-05$577.75$585.0014.6%4.1%9.6%13.7%16.0%5.7%0.1%47.2M-837.1M-4.7M0.6240.842,2601,39735,15527,032
2025-08-06$581.77$585.0013.4%4.1%9.7%10.5%14.8%5.7%0.3%69.1M-938.7M-4.7M0.4739.442,12299935,63627,750
2025-08-07$580.46$585.0014.3%4.1%9.6%12.9%14.7%4.8%-0.1%62.3M-896.3M-4.8M0.6442.501,8701,20036,25828,275
2025-08-08$585.00$585.0012.7%3.7%9.9%8.4%13.9%4.6%0.5%127.7M-1.03B-4.6M0.5442.753,0801,65536,65028,594
2025-08-11$584.54$585.0012.9%3.8%9.9%9.0%13.2%5.5%0.6%61.0M-982.9M-4.5M0.6942.882,3791,64735,17327,655
2025-08-12$590.38$585.0011.9%3.5%10.3%6.3%12.8%4.3%0.2%85.8M-1.14B-4.5M0.8654.752,6992,32436,25028,793
2025-08-13$592.22$585.0011.5%3.5%10.3%5.0%12.2%4.0%0.9%98.2M-1.19B-4.4M0.5149.232,1181,08236,87829,524
2025-08-14$593.17$580.0011.7%3.4%10.3%5.6%13.9%4.0%0.1%104.3M-1.21B-4.4M1.0348.151,7661,82637,32029,862
2025-08-15$592.02$585.0012.1%3.6%10.3%6.7%13.3%4.3%0.7%71.8M-1.15B-4.5M0.3347.373,7301,22637,50230,801
2025-08-18$591.61$580.0011.8%3.4%10.3%6.0%12.5%4.4%0.2%51.6M-1.05B-4.4M0.8539.801,4131,20434,63027,063
2025-08-19$587.73$585.0012.7%3.6%10.7%8.4%13.3%4.9%0.5%44.3M-966.7M-4.6M0.6645.561,7551,15035,50027,719
2025-08-20$587.30$585.0012.9%3.7%10.5%8.9%13.2%5.0%0.0%42.0M-941.5M-4.5M0.4144.423,1601,28435,99228,245
2025-08-21$584.08$585.0013.8%4.0%10.7%11.6%14.6%5.4%-0.1%34.1M-880.8M-4.6M0.8143.361,3451,09636,99628,700
2025-08-22$592.95$585.0011.8%3.4%11.9%6.0%12.0%4.1%0.1%91.2M-1.15B-4.3M0.5550.085,2192,86837,35629,135
2025-08-25$591.64$585.0011.6%3.3%11.9%5.3%13.7%4.3%0.4%61.6M-1.06B-4.3M0.7350.142,5231,83736,21527,601
2025-08-26$592.15$585.0011.9%3.4%11.8%6.1%12.0%4.3%0.3%63.4M-1.05B-4.4M0.4848.402,1611,03237,09128,881
2025-08-27$594.96$585.0011.8%3.4%11.8%5.9%13.3%4.1%0.4%81.5M-1.13B-4.5M0.5149.602,4761,26537,63529,309
2025-08-28$596.74$585.0011.3%3.2%11.8%4.4%14.8%4.3%0.5%134.8M-1.21B-4.3M3.4152.105,59519,06139,00929,719
2025-08-29$592.74$585.0012.3%3.5%9.9%7.2%12.4%4.7%0.4%-16.1M-856.1M-5.2M0.8453.932,5122,10341,54347,642