Since 25 August 2026 every backtest, from the website or from AI chat, runs on the FastBT engine and is charged the same way:
- 1 backtest-pack credit per run if your account has pack credits (they come with annual plans and offers, or you can buy them). Your wallet balance does not move.
- ₹20 per run from your Tradetron wallet when you have no pack credit left.
- Failed or rejected runs are refunded automatically.
- A parameter sweep is charged per variant: 5 values = 5 runs.
The older model, where cost depended on the backtest period (1 credit per 180 days) and on the number of underlyings in a list, no longer applies.
Lists
A list with more than 20 stocks can only be backtested for 7 days.
Good to know
- See your credits, usage and buy more on the Backtest page (Credits, Used and Buy BT).
- Credits you buy separately do not expire. Discounted or free credits that came with a plan expire with that plan.
- If a completed backtest took zero trades, it is refunded automatically and you get an email.
- Current pricing details: Backtest on Tradetron: A Detailed Guide | Tradetron Blog
- Charge looks wrong? Chat with support with your BID (click the BID button on the Backtest page).
Edited with AI from the original Tradetron article, checked against current docs (Oct 2026). Spot something wrong? Tell us in the Community.