# ORB London EA

Trades the opening range breakout of the London session, placing stop orders at range extremes.

Canonical: https://prismaticalgos.com/compendium/algo/8071-orb-london-ea
Record ID: 8071
Catalog rank: 1787 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Trend Following & Directional (A)
Source: https://www.mql5.com/en/market/product/196592
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 open 08:00-11:00 GMT
- market_regime: trending|ranging|volatile|breakout

## Indicators

No indicator stack recorded.

## Recorded long-entry rules

- range breakout above upper stop order

## Recorded short-entry rules

- range breakout below lower stop order

## Recorded exit rules

- forced close at configurable server hour
- one trade per day by default

## Recorded filters

- minimum and maximum range filters
- optional trend filter
- individual weekdays can be enabled or disabled

## Risk controls

- Stop loss: at the opposite end of the range plus a buffer
- Take profit: fixed multiple of the risk
- Position sizing: percentage of equity risked per trade, computed from the range width, with an optional maximum lot