# Heuristic A_Star

Uses A* algorithm to find optimal trading path based on swing nodes and market friction.

Canonical: https://prismaticalgos.com/compendium/algo/144-heuristic-a-star
Record ID: 144
Catalog rank: 543 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Risk, Money Management & Portfolio Overlays (J)
Source: https://www.mql5.com/en/articles/22184
Evidence label (unverified): source_code

## Scope and limitations

These are machine-extracted research records, not verified trading systems. Catalog rank measures specification detail and claimed evidence, not profitability. The catalog extraction pipeline did not independently backtest these records. Its separate selected testing ledger does not validate the wider corpus. Rules, labels and parameters can be incomplete or wrong; consult the original source and its reuse terms.

No endorsement, ownership claim or source-code reuse permission is implied.

## Extraction warnings

No automated warnings recorded; this is not validation.

## Recorded profile

- symbols: _Symbol
- timeframes: M15
- sessions: Not specified
- market_regime: any

## Indicators

No indicator stack recorded.

## Recorded long-entry rules

- Not specified.

## Recorded short-entry rules

- Not specified.

## Recorded exit rules

- Not specified.

## Recorded filters

- spread filter
- max spread 40 points

## Risk controls

- Stop loss: based on previous swing node
- Take profit: based on A* path
- Position sizing: risk per trade (% of balance)