Every stock chart stops at today. This free, open-source model, past 47,000 GitHub stars, was trained on over 12 billion price candles from 45 exchanges, and it draws the candles that come next: open, high, low, close and volume. You don't need to code: Claude Code installs it, pulls the price history for the stock you name, runs the forecast and shows you the chart, all on your own laptop with no API key.
Here's what it does, how to set it up with Claude in a few minutes, and what it can't promise.
What it does for you
- Next candles: give it a stock's past prices (up to 512 bars) and it forecasts the next ones, highs, lows, closes and volume.
- Any timeframe: daily, hourly or 5-minute bars, for stocks, ETFs or crypto.
- Several paths: it can sample many possible futures and average them, so you see a range, not one line.
- Chart: the example script plots the forecast right after today's real candles.
- Proof: in the researchers' tests (AAAI 2026 paper) it ranked price moves 93% better than the next best forecasting model and cut volatility error by 9%.
- Small and free: the mini and small models (4 to 25 million parameters) run on a normal laptop.
Free, for your email
Get the full setup steps + the copy-paste setup prompt
The rest of this guide (3 more sections, 1 copy-paste prompt) opens right here. The setup prompt, one paste into Claude that sets it all up, comes by email only. Use your real address.
Unlocks: Setup with Claude (about 5 minutes) · The catch · Sources
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