Financial ratios API: get margins, ROE, and debt to equity without parsing XBRL
Pull profit margins, ROE, and debt to equity from SEC filings with one API call, and drop down to raw XBRL concepts when a precomputed ratio isn't enough.
The SiftingIO Blog
SubscribeBlog
Engineering deep-dives, market analysis, and product updates from the SiftingIO team. How we build real-time market data infrastructure across crypto, FX, and equities.
Latest posts
How to get historical stock price data from a REST API (daily and intraday OHLCV)
How to pull daily and intraday OHLCV stock bars from a REST API: request format, response fields, intervals, cursor pagination, history depth, and pitfalls.
Intraday stock data for student research: how Quantitative Trading at Brown uses the SiftingIO API
How Quantitative Trading at Brown uses intraday US equities OHLCV bars from the SiftingIO API for student research on returns, volatility, and trading volume.
How to calculate a currency cross rate: EURGBP from EURUSD and GBPUSD
The cross rate formula with worked math: derive EURGBP from EURUSD and GBPUSD, carry bid and ask through the triangulation, and compute it in Python.
TA-Lib installation error? Get RSI and MACD readings from an API instead
TA-Lib won't install? Skip the C compile and numpy version matrix: pull RSI, MACD, and moving average readings from two REST endpoints with plain requests.
Commodities data API: coverage, fields, and symbol names for gold, silver, oil, and metals
SiftingIO's commodities data API: real symbols (XAUUSD, XAGUSD, WTIUSD, XCUUSD, NATGAS), OHLCV history, live REST quotes, and WebSocket streaming.
Technical signals API: pull RSI, MACD, and moving average summaries in one REST call
SiftingIO's technical signals API: live RSI, MACD, and moving average summaries plus per-bar signal history with cross events, over two REST endpoints.
CPI consensus vs actual: why an in-line inflation print barely moves markets
July 2026 CPI matched consensus exactly and markets barely moved. Why consensus, actual, revisions, and exact timestamps are the calendar fields that matter.
1-minute OHLCV data: how to resample minute bars into 5m, 15m, and 1h
1-minute OHLCV bars are the base timeframe. The exact rules for resampling minute bars into 5m, 15m, and 1h bars, with the alignment and gap traps to avoid.