Provenance
Sources
11 organizations feed the atlas through 14 connectors. Each source declares how its data may be used and how fresh it is; endpoints are not published to discourage abuse.
Central banks
| Source | Status | Type | Rights | Freshness | Coverage | Reliability | Last observation |
|---|---|---|---|---|---|---|---|
Bank of Canada · CA · FX, Rate, Bond yield Bank of Canada Valet open API: daily average exchange rates (published ~16:30 ET), the target for the overnight rate and Government of Canada benchmark bond yields (2y, 5y, 10y, long). Bank of Canada content is available under its terms of use with attribution; exchange rates are indicative daily averages. terms ↗ | healthy | OFFICIAL_API | Official open data | end of day | 29 | 97 | |
European Central Bank · EU · FX Daily ECB euro reference rates for 30 currencies, cross-computed to USD pairs. One fixing per business day (~16:00 CET); values are indicative reference rates, not tradable quotes. ECB reference rates are free to reuse with attribution to the ECB. Frankfurter is an open-source (MIT) redistribution. terms ↗ | healthy | OFFICIAL_API | Official open data | end of day | 57 | 97 |
Exchanges
| Source | Status | Type | Rights | Freshness | Coverage | Reliability | Last observation |
|---|---|---|---|---|---|---|---|
Binance · Crypto Public Binance spot combined WebSocket stream (miniTicker per symbol, pushed every second) for USDT-quoted majors. Exchange event time (E) is used as source timestamp. Public market data displayed with attribution to Binance. Availability may vary by jurisdiction. terms ↗ | healthy | WEBSOCKET | Public · attribution | real time | 19 | 100 | |
Cboe Global Markets · US · Stock, ETF, Index Cboe's public delayed-quote JSON (last, bid/ask + sizes, open/high/low, previous close, volume, 30-day implied volatility) for a curated US universe of large caps, ETFs and the SPX/NDX/DJI/RUT/VIX indices. 15-minute delayed. Delayed data displayed with attribution to Cboe Global Markets; labelled DELAYED everywhere. Not real time. terms ↗ | healthy | XHR | Delayed · attribution | delayed | 82 | 93 | |
Coinbase Global, Inc. · US · Crypto Public, unauthenticated WebSocket market-data feed of Coinbase Exchange (ticker channel). One connection carries every subscribed product. Public market data; displayed with attribution to Coinbase Exchange. Not for commercial redistribution as a raw feed. terms ↗ | healthy | WEBSOCKET | Public · attribution | real time | 21 | 100 | |
Payward, Inc. · US · Crypto Public Kraken WebSocket v2 ticker channel (best bid/ask, last trade, 24h volume/VWAP/high/low) for the major spot pairs. Public market data displayed with attribution to Kraken. terms ↗ | healthy | WEBSOCKET | Public · attribution | real time | 20 | 97 | |
Nasdaq, Inc. · US · Stock, ETF, Index Daily pipe-delimited directories of every Nasdaq-listed and other US exchange-listed security (~11,000 rows): symbol, security name, listing venue, ETF flag, test-issue flag. Seeds the US instrument master. Public reference files published by Nasdaq Trader; displayed with attribution. terms ↗ | healthy | BULK_FILE | Public · attribution | real time | 0 | 97 | |
OKX · Crypto Public OKX v5 WebSocket tickers channel (last, bid/ask with sizes, 24h open/high/low/volume) for USDT spot majors. Exchange timestamp `ts`. Public market data displayed with attribution to OKX. terms ↗ | healthy | WEBSOCKET | Public · attribution | real time | 17 | 100 |
Government
| Source | Status | Type | Rights | Freshness | Coverage | Reliability | Last observation |
|---|---|---|---|---|---|---|---|
U.S. Department of the Treasury · US · Treasury Daily Treasury par yield curve rates (1 month → 30 years) from the official Treasury XML feed. One value per tenor per business day. U.S. federal government work — public domain. terms ↗ | healthy | XML | Official open data | end of day | 13 | 97 |
Official & licensed datasets
| Source | Status | Type | Rights | Freshness | Coverage | Reliability | Last observation |
|---|---|---|---|---|---|---|---|
spboucher.ai · CA · Stock, ETF, Index, FX, Crypto, Commodity, Future Daily OHLCV bars (up to 400 sessions) for the curated US universe, major FX pairs, crypto and CME continuous futures from the HF Market Data lake (updated weekly from FirstRate). Backfills chart history and provides end-of-day reference closes. Licensed sister platform (same operator). Redistribution of daily bars permitted under the HF Market Data data licence. terms ↗ | healthy | OFFICIAL_API | Licensed | end of day | 115 | 93 |
Regulators
| Source | Status | Type | Rights | Freshness | Coverage | Reliability | Last observation |
|---|---|---|---|---|---|---|---|
U.S. Securities and Exchange Commission · US · Stock Bulk directory of ~10,000 SEC registrants with ticker, listing exchange and CIK. Used to resolve filings to instruments and to attach companies (CIK) to US equities. U.S. government data (public domain). terms ↗ | healthy | RSS | Official open data | real time | 0 | 97 |
Coverage = instruments this source has published a value for since the current process started. Reliability = operational score (availability, latency, parse success, stability), see methodology. Rights statuses are explained on the data rights page.