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.
Tag · market hours
market hours
5 posts on market hours from the SiftingIO market data blog, spanning real-time and historical coverage across stocks, forex, crypto, commodities, and on-chain venues.
Posts tagged market hours
When does the weekly candle open and close? Weekly bar boundaries by asset class
Weekly candle open and close times for forex, crypto, and US stocks, and how to rebuild either week convention from timestamped SiftingIO bars in pandas.
Forex session overlaps: what happens to spreads, volume, and volatility
The four forex sessions in UTC, their overlaps, why London to New York carries the most volume, and how spreads behave at rollover and in the quiet hours.
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.
US stock market data API: build a live price chart with historical bars and real-time ticks
Build a live US stock price and chart page: backfill adjusted OHLCV history over REST, stream real-time ticks over WebSocket, and handle market sessions.