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
19.19 
14.36 
8.70 
6.64 
5.96 
4.61 
VOV
1.45 
121.82 
18.21 
77.65 
213.80 
2990.45 
DVOL
16.20 
14.23 
8.86 
7.82 
7.08 
7.08 
VCOR
16.10 
-1.19 
-19.11 
23.02 
n/a 
n/a 
VAR
368.26 
206.21 
75.69 
44.09 
35.52 
21.21 
 
Forecast Volatility
Forecast
Forecast Volatility
Symbol
1-Day
1-Week
1-Month
1-Quarter
½-Year
1-Year
RVOL
7.95 
8.31 
9.07 
10.09 
10.97 
12.05 
HVOL
8.63 
9.41 
10.60 
12.69 
14.54 
16.22 
As of: 09 Oct 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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