# Nexus Shield

Trend-following Expert Advisor for XAUUSD and NAS100 using Donchian Channel breakouts and risk management for prop-firm challenges.

Canonical: https://prismaticalgos.com/compendium/algo/8492-nexus-shield
Record ID: 8492
Catalog rank: 2318 (reading order, not performance)
Snapshot: 2026-10-31 15:46 UTC
Family: Trend Following & Directional (A)
Source: https://www.mql5.com/en/market/product/188873
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, NAS100
- timeframes: H4
- sessions: Not specified
- market_regime: trending

## Indicators

- EMA: {"period": null}; applied to: close
- ADX: {}; applied to: close
- Donchian Channel: {}; applied to: close

## Recorded long-entry rules

- Donchian Channel breakout

## Recorded short-entry rules

- Not specified.

## Recorded exit rules

- Stop Loss, break-even management, trailing stop

## Recorded filters

- daily drawdown limit
- total drawdown limit
- challenge profit target

## Risk controls

- Stop loss: configured with daily drawdown limit
- Take profit: Not specified
- Position sizing: 0.5% risk per trade for conservative setting, 1% for balanced setting, 2% for fast setting