# London Extension EA

Trades the extension of the Asian range into the London session, entering on the retest of the broken level.

Canonical: https://prismaticalgos.com/compendium/algo/7636-london-extension-ea
Record ID: 7636
Catalog rank: 1783 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Time, Session & Seasonality (F)
Source: https://www.mql5.com/en/market/product/196596
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: EURUSD
- timeframes: M5
- sessions: London session
- market_regime: any

## Indicators

No indicator stack recorded.

## Recorded long-entry rules

- price retests the broken level after a break of the Asian range

## Recorded short-entry rules

- not specified in the source

## Recorded exit rules

- one trade per day by default, with an optional partial exit at a configurable R multiple and an optional move to break-even afterwards, any remaining position is force-closed at a configurable server hour

## Recorded filters

- range width filters reject nights that were too quiet or too wide to produce a usable level

## Risk controls

- Stop loss: placed behind the structure that produced the entry
- Take profit: a fixed reward-to-risk multiple
- Position sizing: percentage of equity risked per trade, computed from the distance to the stop