Data Transparency
Current reading
- CAPE: 41.52
- As of: 2026-09-21
- Index level used: 7,764.22
- 10-year real earnings: 187.01
- Earnings baseline month: 2026-06-01
- Price source: fmp
Sources
- Earnings, dividends, and historical prices — Robert J. Shiller, U.S. Stock Markets 1871-Present and CAPE Ratio (ie_data.xls), refreshed monthly.
- Inflation — CPI for All Urban Consumers (CPIAUCSL), U.S. Bureau of Labor Statistics via FRED.
- Current index level — see “price source” above.
Reconciliation
Our computed CAPE will differ slightly from other published figures depending on which index close and CPI vintage each source uses. Differences of a few tenths are normal. Differences of more than one point are a bug — please tell us.