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A Fast Estimate is a quick backtest of a strategy prompt. Everstrike translates the prompt into deterministic rules, then runs them on historical candles with fees and slippage.
A Fast Estimate is a candle-based approximation, not a replay of live AI decisions. A live strategy is the AI reading your prompt with more context, so results can differ.

Where to run one

Running one

1

Enter the prompt and settings

The strategy prompt, the market, the candle interval (1 minute to 1 day), the start date, the starting balance, the default trade notional, the maximum leverage, fee and slippage in basis points, and whether to close any open position on the final candle.
2

Translate

Choose Translate strategy. This usually takes 10-60 seconds; keep the window open.
3

Review the translation

Check the prompt coverage, the interpretation and the generated rules, with their assumptions and limitations. If coverage is low, you may be offered a suggested higher-coverage prompt: choose Use revised prompt to adopt it, or Edit prompt.
4

Run

Choose Confirm & run. The estimate loads the candles and simulates the portfolio.
Completed estimates are saved automatically.

Limits

  • Extra data sources are replayed from their daily history, so a backtest sees one value per day, while a live strategy sees the latest value at each evaluation.
  • Long periods are capped at a maximum number of candles. If the period you choose exceeds it, the estimate uses the most recent candles and says so.
  • Data quality notes appear with the results if candles had to be corrected or dropped.

Cost

Fast Estimates run in your browser and don’t use AI credits. See Reading a Fast Estimate and Comparing Fast Estimates.