Markets · Settled daily
The market, settled — end-of-day closes, no flicker
One update per trading day, after the close. No streaming ticks, no intraday noise — the same settled data our backtests and the forward ledger run on.
Sector heatmap
The heatmap is warming up — settled closes appear here after the next end-of-day data refresh.
Earnings & IPO calendar
Latest market news
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Every symbol on this page is in the lab's data cache — describe a strategy in plain English and prove it on years of history in seconds.
Backtest any of these namesPrices are cached end-of-day closes for research — not live quotes, and nothing here is a recommendation to buy or sell anything. Historical simulation for research and education. Not financial advice. Past performance does not predict future results.