> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ziplime.limex.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Timeframes & History Depth

> Supported intervals and how far back data goes

## Timeframes

The minimum backtest interval is **1 minute**. From there, you can aggregate to 2, 3, 4 minutes, or any larger interval you need — up to daily and beyond.

## History depth

Historical data is available from **2005** to the present.

| Environment | Delay      |
| ----------- | ---------- |
| Russia      | No delay   |
| US          | 15 minutes |

<Warning>
  The engine is not intended for strategies where outcomes depend on sub-second timing (high-frequency trading, latency arbitrage). See [Limitations](/language/limitations/not-for-hft).
</Warning>