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S&P 500 GAAP EPS API

Historical as-filed GAAP diluted and basic EPS for ~502 S&P 500 and S&P 400 tickers — finished quarterly series, not raw XBRL dumps or street estimates.

What this product delivers

• As-filed GAAP EPS — diluted and basic, split-adjusted, with restatement flags so backtests are not silently trained on later-revised numbers.
• Q4 derivation — finished quarterly series (YTD handled) instead of leaving you to reconstruct quarters from companyfacts.
• BMO/AMC timing — announcement time from matched 8-K acceptance (ET), plus margins where XBRL tags exist.
• Audit trail — every EDGAR-sourced row includes edgar_accession and edgar_filing_url.

Coverage & cadence

• ~502 tickers (S&P 500 + S&P 400), history from about 2008 to present
• New filings picked up within about 4 hours (re-scrape of tickers that filed)
• Delivery: ZIP (JSON + CSV) and GET /v1/actuals/earnings/:ticker

Example

curl -H "Authorization: Bearer <your-api-key>" \
  "https://api.aegwah.com/v1/actuals/earnings/AAPL?from=2018-01-01"

Related: full API reference · AAPL sample page · Form 4 insider API

Research / data documentation only. Not investment advice. Aegwah is a dataset product.