Build your trading bot.
Design it with AI, backtest it on years of market history, then let it run. No code required.
Free to build and backtest. No credit card.
Premiss turns your ideas about stocks and crypto into code you can read, tests them on years of history, and sends their signals to the tools you already use.
How it works
Bring your portfolio.
Type rough percentages or drop a CSV from any broker or exchange. Premiss charts the growth, the allocation and the drawdown. Amounts are optional, and no account access is needed.
Start your portfolio
Ethereum
Solana
MicrosoftAsk the market a question.
Research stocks and crypto side by side. Your agent reads the data and shows its sources.
Set up a market scanTest it on years of history.
Every idea becomes readable Python, with fees and fills included.
Illustrative historical results. Not a prediction of future performance.
Why backtests differ from live trading
Signals anywhere.
Send entries and exits to Discord or a bot service. Signal delivery is included with Pro and Quant.
Explore signal botsTest ideas from ChatGPT.
Add the Premiss plugin and ask ChatGPT to test an idea. It drafts the strategy, runs the backtest on years of history and saves the report to your workspace.
Research only. The plugin never places a trade.
Get the ChatGPT plugin
Agents that trade for you.
How AI trading agents work- Idea
- Backtest
- Paper bot
Built in Stockholm
Ideas deserve a proper test.
We went looking for a decent way to test strategies on the market, and all we found was diagrams. Drag a block, connect it to another block, pick something from a dropdown. That works right up until the idea in your head doesn’t fit the shapes on offer, which for us was about ten minutes in. So we kept having ideas and kept not checking them.
Premiss is the thing we were looking for. You bring the idea and the agents work through it with you: reading the market, pulling the data apart, writing it up as code you can actually read, then running it against years of real history. Most of ours fell apart right there, which turned out to be the useful part. We’d rather show you a flat line than a flattering one, and we’d rather you lost an afternoon than your savings.
Mårten Saltin
Cofounder
Mathias Ahlgren
Cofounder
Questions
What is Premiss?
Premiss is a workspace for building trading bots and AI trading agents. Define a strategy to backtest and run, or let an agent research markets, make decisions, and trade through a connected account. You set its trading permissions and limits.
Do I need to connect an exchange to track my portfolio?
No. Type rough percentages or upload a CSV from any broker or exchange, and Premiss charts the growth, allocation and drawdown from those weights. Amounts are optional, and Premiss does not read your exchange account balances.
Can Premiss connect to my exchange account and trade for me?
Premiss Signals can send a paper bot’s position changes to supported external bots and notification services on Pro and Quant. The external receiver keeps custody, sizing, risk controls, and order execution; Premiss stores its signal token, not your exchange API keys. Direct Premiss Live exchange connections are in early access and available only with approval.
Do backtest results predict future performance?
No. Backtests and paper trades are hypothetical examples based on past market data. They are not financial advice and don’t guarantee future performance. Review the code, assumptions, fees, and trades before relying on any result, and remember that a strategy running with real money faces slippage, delays, and rejected orders a simulation cannot reproduce.
Which exchanges does Premiss support?
Premiss models the base tier maker and taker fees of Binance, OKX, Bybit, Kraken Pro and Coinbase Advanced, so you can reprice a finished result at each exchange’s taker fee. For signal delivery, choose a supported destination in the app; its exchange coverage and account restrictions apply. Fee comparison does not mean direct exchange connectivity. Direct Premiss Live access is a separate feature, available only with approval.
Is Premiss free?
Premiss is free to start, with daily credits for chatting, backtesting, and running paper bots. Signal delivery to external bots and notifications is included with Pro and Quant. No card is required for Free.
What’s your idea?
Free to build and backtest. No credit card.