History of Market · The Chronicle of the U.S. Stock Market historyofmarket.com
S&P 500 · § II
S&P 500 · TTM PE × Forward PE

S&P 500 · TTM PE × Forward PE — S&P 500 · Trailing PE vs. Forward PE

Two lines on the same axis. The trailing curve is cap-weighted Σ(w·P)/Σ(w·trailingEps) computed daily across 500 constituents and seeded with multpl monthly data for the years before that. The forward curve is Bloomberg's "BEst P/E Ratio" — the 12-month consensus estimate — quarter-end points back to 1990 plus the most recent reading, native quarterly. The gap between the two is the market's bet on where earnings are heading.

View the interactive chart Download raw JSON

What this page answers

This static page is built to answer searches for S&P 500 · TTM PE × Forward PE. It summarizes the live dataset behind the S&P 500 · Trailing PE vs. Forward PE panel and links to the full interactive chart.

Two lines on the same axis. The trailing curve is cap-weighted Σ(w·P)/Σ(w·trailingEps) computed daily across 500 constituents and seeded with multpl monthly data for the years before that. The forward curve is Bloomberg's "BEst P/E Ratio" — the 12-month consensus estimate — quarter-end points back to 1990 plus the most recent reading, native quarterly. The gap between the two is the market's bet on where earnings are heading. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.

Latest Snapshot

Updated
2026-06-23

Static Preview

S&P 500 · Trailing PE vs. Forward PE Chart

Data & Source

GET /api/sp500/forward-pe.json — Canonical dataset endpoint.

Yahoo Finance · Macrotrends · Robert Shiller · FRED · S&P Global · Nasdaq · NBER.

FAQ

Where does this data come from?

History of Market combines public market and macro datasets including Yahoo Finance, Macrotrends, Robert Shiller, FRED, S&P Global, Nasdaq, and NBER. The exact endpoint for this panel is linked below.

How often is it updated?

Daily-tier datasets refresh after the U.S. market close, with a broader weekly refresh on Sunday. The timestamp shown on this page comes from the JSON payload.

Can I use the data?

Yes, for research and education with attribution to History of Market. Upstream data sources retain their own terms.