RealVol Daily Indices

  • The Flagship index at RealVol is the 1-month (21-day) realized volatility index (also known as VOLm)
  • Detailed explanations can be found at the bottom of the page

VOLS: RealVol SPY Indices

VOLSPY
Historical volatility
Historical
Historical volatility
Symbol
1-Year
½-Year
1-Quarter
1-Month
1-Week
1-Day
VOL
19.53 
11.17 
12.38 
14.78 
15.49 
8.64 
VOV
3.12 
27.10 
26.39 
81.99 
245.30 
3276.41 
DVOL
16.70 
11.06 
12.66 
16.17 
13.76 
5.37 
VCOR
14.51 
-0.20 
-26.74 
-57.44 
n/a 
n/a 
VAR
381.42 
124.77 
153.26 
218.45 
239.94 
74.67 
 
Forecast Volatility
Forecast
Forecast Volatility
Symbol
1-Day
1-Week
1-Month
1-Quarter
½-Year
1-Year
RVOL
8.89 
10.29 
11.84 
12.91 
13.63 
14.50 
HVOL
6.96 
9.40 
12.59 
14.13 
15.21 
16.09 
As of: 28 Nov 2025

Updates at ≈12:30 A.M. (preliminary) and ≈4:30 A.M. (final) ET Tuesday through Saturday
Source of Underlying Data: NYSE Arca

Color Key

VOLd™

1-day RealVol Index of realized volatility (using RealVol Daily Formula)

VOLw™

1-week (5-day) RealVol Index of realized volatility (using RealVol Daily Formula)

VOLm™

1-month (21-day) RealVol Index of realized volatility (using RealVol Daily Formula)

VOLq™

1-quarter (63-day) RealVol Index of realized volatility (using RealVol Daily Formula)

VOLh™

½-year (126-day) RealVol Index of realized volatility (using RealVol Daily Formula)

VOLy™

1-year (252-day) RealVol Index of realized volatility (using RealVol Daily Formula)

VOVd™

21-day of 1-day RealVol Index (vol of vol) (using RealVol Daily Formula)

VOVw™

21-day of 1-week (5-day) RealVol Index (vol of vol) (using RealVol Daily Formula)

VOVm™

21-day of 1-month (21-day) RealVol Index (vol of vol) (using RealVol Daily Formula)

VOVq™

21-day of 1-quarter (63-day) RealVol Index (vol of vol) (using RealVol Daily Formula)

VOVh™

21-day of ½-year (126-day) RealVol Index (vol of vol) (using RealVol Daily Formula)

VOVy™

21-day of 1-year (252-day) RealVol Index (vol of vol) (using RealVol Daily Formula)

DVOLd™

1-day RealVol Index of overnight/intraday realized volatility (using RealVol Overnight/Intraday Formula)

DVOLw™

1-week (5-day) RealVol Index of overnight/intraday realized volatility (using RealVol Overnight/Intraday Formula)

DVOLm™

1-month (21-day) RealVol Index of overnight/intraday realized volatility (using RealVol Overnight/Intraday Formula)

DVOLq™

1-quarter (63-day) RealVol Index of overnight/intraday realized volatility (using RealVol Overnight/Intraday Formula)

DVOLh™

½-year (126-day) RealVol Index of overnight/intraday realized volatility (using RealVol Overnight/Intraday Formula)

DVOLy™

1-year (252-day) RealVol Index of overnight/intraday realized volatility (using RealVol Overnight/Intraday Formula)

VCORd™

N/A

VCORw™

N/A

VCORm™

1-month (21-day) RealVol Index of historical correlation based on the underlying and VOLm (using RealVol Correlation Formula)

VCORq™

1-quarter (63-day) RealVol Index of historical correlation based on the underlying and VOLq (using RealVol Correlation Formula)

VCORh™

½-year (126-day) RealVol Index of historical correlation based on the underlying and VOLh (using RealVol Correlation Formula)

VCORy™

1-year (252-day) RealVol Index of historical correlation based on the underlying and VOLy (using RealVol Correlation Formula)

VARd™

1-day RealVol Index of realized variance (using RealVol Variance Formula)

VARw™

1-week (5-day) RealVol Index of realized variance (using RealVol Variance Formula)

VARm™

1-month (21-day) RealVol Index of realized variance (using RealVol Variance Formula)

VARq™

1-quarter (63-day) RealVol Index of realized variance (using RealVol Variance Formula)

VARh™

½-year (126-day) RealVol Index of realized variance (using RealVol Variance Formula)

VARy™

1-year (252-day) RealVol Index of realized variance (using RealVol Variance Formula)

RVOLd™

1-day RealVol Index of forecast realized volatility (using RFSV model)

RVOLw™

1-week (5-day) RealVol Index of forecast realized volatility (using RFSV model)

RVOLm™

1-month (21-day) RealVol Index of forecast realized volatility (using RFSV model)

RVOLq™

1-quarter (63-day) RealVol Index of forecast realized volatility (using RFSV model)

RVOLh™

½-year (126-day) RealVol Index of forecast realized volatility (using RFSV model)

RVOLy™

1-year (252-day) RealVol Index of forecast realized volatility (using RFSV model)

HVOLd™

1-day RealVol Index of forecast realized volatility (using HARK model)

HVOLw™

1-week (5-day) RealVol Index of forecast realized volatility (using HARK model)

HVOLm™

1-month (21-day) RealVol Index of forecast realized volatility (using HARK model)

HVOLq™

1-quarter (126-day) RealVol Index of forecast realized volatility (using HARK model)

HVOLh™

½-year (126-day) RealVol Index of forecast realized volatility (using HARK model)

HVOLy™

1-year (252-day) RealVol Index of forecast realized volatility (using HARK model)

*

An asterisk indicates that the data are not yet available.
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