# London Breakout EA

Identifies pre-session ranges and places pending orders to capture breakouts during the London market open, with risk management tools.

Canonical: https://prismaticalgos.com/compendium/algo/219-london-breakout-ea
Record ID: 219
Catalog rank: 1963 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Trend Following & Directional (A)
Source: https://www.mql5.com/en/articles/18867
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: EURUSD
- timeframes: M15
- sessions: London open 09:00-08:00 GMT
- market_regime: trending|ranging|volatile|breakout

## Indicators

No indicator stack recorded.

## Recorded long-entry rules

- Pre-London high price reached
- London session start detected

## Recorded short-entry rules

- Pre-London low price reached
- London session start detected

## Recorded exit rules

- Trailing stop activated
- Profit target reached
- Daily drawdown limit exceeded
- Max open trades limit reached

## Recorded filters

- Pre-London range between 100 and 300 points
- Max 2 simultaneous open trades
- Daily drawdown limit of 5.0%

## Risk controls

- Stop loss: Stop loss placed at Pre-London range
- Take profit: Take profit set at Risk to Reward Ratio * Stop loss
- Position sizing: Fixed lot size of 0.01