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Aegwah vs SEC EDGAR companyfacts: DIY XBRL vs finished quarterly EPS

The SEC publishes every filer's XBRL facts at data.sec.gov/api/xbrl/companyfacts/{CIK}.json — free, commercial-use permitted, with accession numbers on every fact. Building a production quarterly EPS series from that JSON is a different project. Aegwah is the finished dataset.

Where Aegwah is stronger

• Finished quarterly series: YTD-to-quarterly conversion, Q4 derived as FY minus (Q1+Q2+Q3) with _computed_q4 flags.
• Split-adjusted as-filed GAAP EPS with restatement flags (eps_restatement, count, delta) — not just the latest XBRL value.
• Announcement timing (BMO/AMC) from matched 8-K acceptance times, bundled with each earnings row.
• Form 4 open-market buys/sells in the same product; Pro adds clusters and conviction scores.
• Published quality scores (0–100) per ticker and maintained refresh on new filings.

Where SEC EDGAR companyfacts (DIY) is stronger

• Completely free — no subscription, no API key beyond a User-Agent header.
• Every SEC filer, not just S&P 500/400 — full universe if you build the scraper.
• Commercial use explicitly permitted by SEC policy.
• Raw accession numbers on every XBRL fact for direct audit.
• You control the pipeline, concept mapping, and update schedule.

Bottom line

DIY companyfacts if you are learning XBRL or building a custom scraper for a specific use case. Aegwah if you want a production-ready S&P quarterly GAAP EPS series without owning XBRL operations. Try the free sample at api.aegwah.com/api/sample or preview live data at /data/AAPL.

Pricing and features for SEC EDGAR companyfacts (DIY) change over time — always check their current site for the latest. This page reflects Aegwah's honest read of the trade-offs, not a knock on a good product.