# Gold Liquidity BOS EA

Automated Expert Advisor for XAUUSD trading on M15 timeframe using liquidity sweeps, BOS, and Fibonacci retracement.

Canonical: https://prismaticalgos.com/compendium/algo/7980-gold-liquidity-bos-ea
Record ID: 7980
Catalog rank: 703 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Price Action & Market Structure (E)
Source: https://www.mql5.com/en/market/product/193651
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: XAUUSD
- timeframes: M15
- sessions: 08:00 – 20:00 broker/server time
- market_regime: trending|ranging|volatile

## Indicators

- EMA: {"period": 50}; applied to: close
- ATR: {"period": 14}; applied to: close

## Recorded long-entry rules

- Price moves below a valid Sell-Side Liquidity level and subsequently closes above it
- Breaks above the relevant structural high after a valid liquidity sweep
- Price retraces to the 68% Fibonacci level
- M15 EMA50 is above the price
- H4 EMA50 is bullish

## Recorded short-entry rules

- Price moves above a valid Buy-Side Liquidity level and subsequently closes below it
- Breaks below the relevant structural low after a valid liquidity sweep
- Price retraces to the 68% Fibonacci level
- M15 EMA50 is below the price
- H4 EMA50 is bearish

## Recorded exit rules

- Structural Stop Loss at the structural invalidation level
- Take Profit at 1:3 Reward/Risk ratio

## Recorded filters

- Liquidity sweep
- BOS displacement (0.70 ATR)
- M15 EMA50 directional filter
- H4 EMA50 bias
- One trade at a time

## Risk controls

- Stop loss: Structural Stop Loss at the structural invalidation level
- Take profit: 1:3 Reward/Risk ratio
- Position sizing: 1% of current account equity per trade