# 美股编年史 · History of Market (historyofmarket.com)

Charts and tables of US stock market history, including S&P 500 annual returns, drawdowns and valuation ratios.

- Atlas card: https://inite.ai/en/atlas/historyofmarket.com
- Site: https://historyofmarket.com
- For: Readers researching long-run US stock market history, crashes, returns and valuation levels, such as investors and analysts.
- Categories: finance
- Use not measured/100 · alive 100/100

## Used for

- Compare S&P 500 annual returns and drawdowns by year
- Look up historical US market crashes and bear markets
- Check long-run valuation measures such as CAPE and P/E

## Price

- no price printed, no free plan (read 2026-10-20 on https://historyofmarket.com/api/semi/price.json)

## For developers

- OpenAPI: https://historyofmarket.com/openapi.json (124 paths)
- API docs: https://historyofmarket.com/api/_manifest.json
- MCP server: com.historyofmarket/market-history (namespace; open on 2026-10-20, 5 tools)
- Read 2026-10-20

## MCP server, measured daily

Server: https://historyofmarket.com/mcp, checked every day since 2026-10-20 (13 checks).

- Answered: 100% of daily checks
- Median first answer: 120 ms
- Sign-in: none
- Context its tool definitions take: about 883 tokens (5 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-20

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Source: INITE Atlas, https://inite.ai/en/atlas/historyofmarket.com. JSON: https://inite.ai/api/atlas/historyofmarket.com. MCP: https://inite.ai/api/mcp (atlas_lookup).
