Delayed vs live stock prices: how to tell which one your app is showing
Delayed vs live stock prices look identical on screen. Decide per feature which one you need, measure freshness without fooling yourself, and label it honestly.
Category · US Equities
US Equities
Quotes, fundamentals, and corporate actions on US-listed equities.
Latest in US Equities
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.
Pre-market, regular hours, and after-hours: what US stock data exists in each session
Pre-market, regular hours, and after-hours US stock sessions with times in ET and UTC, what data exists in each, and how an app should handle the boundaries.
Stock portfolio tracker API: compute unrealized P&L from bars and live quotes
Build a stock portfolio tracker with a US stocks API: positions as data, daily-bar backfill, unrealized P&L from live quotes, and a WebSocket upgrade path.
Joining OHLCV bars and XBRL fundamentals for a US stock ticker
How to pull historical OHLCV bars and XBRL fundamentals for one stock ticker from SiftingIO, and avoid the split and fiscal-year pitfalls.