AmiBroker does not come with built-in data. You must connect it to a separate data vendor. | Source | Format | Pros | Cons | | :--- | :--- | :--- | :--- | | Yahoo Finance | Built-in (Ticker history) | Free, easy | Unreliable, often breaks, no streaming | | Google Finance | Plugin required | Good for EOD | Discontinued for new API calls | | Alpha Vantage | Plugin via PowerShell/Python | Free API key | Slow, limited calls/min | | FRED (Economic data) | CSV Import | Free macro data | Not for stock charts |