# London Breakout

Trade the H1 close that breaks the Asian range (00:00–07:00 GMT) during the London window (07:00–10:00 GMT), filtered by the W1 EMA-26 trend, with TP at 1.5× Asian range and SL at the opposite range boundary. Force-close at 17:00 GMT.

Canonical: https://prismaticalgos.com/compendium/algo/11077-london-breakout
Record ID: 11077
Catalog rank: 2015 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Trend Following & Directional (A)
Source: https://github.com/Hamza-Gits/fx-strategy-validator
Evidence label (unverified): backtest_shown

## 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: GBPUSD
- timeframes: H1
- sessions: London open 07:00-10:00 GMT
- market_regime: trending|volatile

## Indicators

- W1 EMA: {"period": 26}; applied to: close

## Recorded long-entry rules

- Close above the Asian high

## Recorded short-entry rules

- Close below the Asian low

## Recorded exit rules

- At 1.5× the Asian range or at 17:00 GMT

## Recorded filters

- W1 EMA-26 trend

## Risk controls

- Stop loss: At the opposite range boundary
- Take profit: At 1.5× the Asian range
- Position sizing: 0.5% risk for 30 days, then 1.0% for 60 days, then 1.5% thereafter