Strategy Builder: save and publish formulas, apply the optimizer, get an honest walk-forward verdict
Formulas you discover can now be saved, described, published to the community and withdrawn. The optimizer applies its result to your strategy in one click and labels walk-forward results in plain words, trading costs are shown up front, and scanner signals know when a pattern has broken.

Your formulas, kept and shared
When Discovery or Alpha Lab finds a formula worth keeping, Save formula stores it with an optional description of up to 1,000 characters. Saved formulas live under My formulas.
- Publish shares a formula with the community feed — only once it has out-of-sample results, so nothing goes public on in-sample luck alone.
- Unpublish takes it off the feed and keeps it in your list.
- Delete removes it everywhere; copies other traders forked stay with them.
Community cards now show the formula's structure, so you can read what a strategy does before you fork it.
An optimizer that tells you the truth
- Apply to strategy writes the best parameters straight into your strategy.
- Min trades sets how many trades a result needs before it counts, from 10 to 500, so a parameter set that traded three times can't win.
- Walk-forward testing ends with a plain verdict — Robust, Acceptable, Overfitted or Not enough data — next to its median efficiency.
- The risk panel shows the commission and slippage per side it is assuming for the market, with a hint on leverage limits; type your own numbers to override them.
- When strategies are paper-trading on their own, the top toolbar shows Paper auto with a count.
Signals that know when they're wrong
The signal scanner now marks a pattern Broken when a bar closes beyond its stop — wicks don't count. Auto-Trade has a Close on pattern broken switch, on by default, that closes the position opened from that pattern on the same timeframe; the Signal Bot has the same option per symbol. The scanner is also available in all 14 terminal languages.
Open Strategy Builder from the terminal, or read how it works on the Strategy Builder page.



