Pick an instrument and the window you want to trade. Data is fetched free from Binance (crypto) and Dukascopy (forex), and everything is stored in this browser.
Loads candles before your start time so the chart already has context instead of opening empty. Weekends and holidays are skipped automatically.
Opens the replay at that session's next UTC open within your range, and adds a "skip to next session" button during replay so you don't have to sit through the bars in between.