Scenarios and date ranges
Run multiple parameter variations simultaneously and compare results across different market conditions.
The backtest panel always compares your agent with two what-if profiles on the same candles and date range. This article explains those profiles and the ranges you can choose.
The three profiles
You do not configure Conservative or Aggressive on the agent. They exist only so a backtest can show a quieter and a larger version of the same idea.
| Profile | Position | Stops |
|---|---|---|
| Your strategy | The agent's position size | The agent's stop-loss, take-profit, and trailing stop |
| Conservative | Half of that size | Wider stop, lower target, plus a 3% trailing stop. New entries only in calmer markets. Fills use 0.2% slippage instead of 0.1%. |
| Aggressive | 1.5× that size | Tighter stop and a higher target. Fills use 0.05% slippage instead of 0.1%. |
A $15 position stays $15 on Your strategy, becomes $7.50 on Conservative, and $22.50 on Aggressive. A percent size scales the same way. Max executions stays the agent's cap on all three.
Choosing a date range
The panel offers fixed ranges. Which ones appear depends on the candle interval.
Predefined ranges
| Range | Good for |
|---|---|
| 30d | Quick sanity check, recent volatility |
| 90d | Includes a full market cycle for trending pairs |
| 6m | One bull + one bear phase for most crypto pairs |
| 1y | Covers a full year including seasonal patterns |
| 2y+ | Enough data to statistically validate an edge |
The panel does not offer a custom start and end date. Pick the closest range, then read Your strategy as the replay of the agent.
Walk-forward analysis
A good practice is to:
- Optimise on a training period (e.g. 2021–2023)
- Validate on a held-out period (e.g. 2024)
- If the held-out period also shows positive results, the strategy has more robust evidence
This reduces the risk of overfitting.
Scenario comparison UI
The comparison shows:
- Your strategy's summary, then a card for each profile
- One equity line per profile
- The trade list for Your strategy, including each trade's size