Quick Summary:
Quantum King EA for MT4 is the MetaTrader 4 build of Bogdan Ion Puscasu’s volatility-aware AUDCAD grid system. Same proven strategy as the MT5 version, same verified live signal performance, compiled for traders who run MT4 terminals — whether by broker constraint, platform preference, or existing infrastructure.
The shared verified IC Markets live signal shows 146% growth, 78.61% win rate, and 3.44 profit factor. The MT4 build maintains identical strategy logic to the MT5 version, with MT4-native order management and full compatibility with MetaTrader 4 brokers that no longer offer MT5 accounts.
Official MQL5 Listing:
Quantum King EA MT4 — MQL5 Marketplace
Live Signal:
Quantum King — IC Markets Live Signal
Looking for MT5?
This is the MT4 version of Quantum King. Trading on MetaTrader 5? Get Quantum King EA for MT5 — same strategy, same live signal, MT5-native build with hedge mode support.
Why Quantum King MT4
For traders specifically running MetaTrader 4, Quantum King MT4 brings the AUDCAD grid system to the older platform without compromise:
- Native MT4 build — compiled .ex4 file, runs on standard MT4 terminals across any compatible broker.
- Identical strategy logic — same volatility-aware grid and adaptive recovery as the MT5 version.
- Shared live signal — performance verified on the same MQL5 signal as the MT5 build.
- Broker flexibility — works with any MT4 broker offering hedge mode, ECN/RAW spreads, and AUDCAD with reasonable spreads.
- Three risk presets — Conservative, Balanced, Aggressive included.
- From the most prolific MQL5 developer — Bogdan Ion Puscasu, 1,600+ combined reviews across the Quantum series.
- For MT4-locked traders — many regulated brokers still offer only MT4; this build serves that user base directly.
Live Performance Snapshot

Live signal headline numbers (shared across MT4 and MT5 builds):
- ✅ 146% growth — verified IC Markets, 22+ weeks live
- ✅ 78.61% win rate — across 159 trades
- ✅ 3.44 profit factor — strong live edge
- ✅ 21.23% max equity drawdown — controlled grid behaviour
- ✅ ~7% monthly average — consistent week-on-week accumulation
Why AUDCAD Suits Grid Trading
AUDCAD is a commodity-cross pair — the Australian dollar (mining exports) against the Canadian dollar (oil exports). Both currencies move with commodities but typically in opposite directions, creating reliable oscillation within ranges rather than aggressive trending. This is exactly what grid systems need to function safely.
The pair is structurally quieter than Gold or GBPJPY. AUDCAD doesn’t gap aggressively on news. Maximum adverse moves are smaller, which means grid levels are less likely to be blown through by single events. For grid + adaptive martingale systems, lower volatility ceiling translates directly to lower blow-up risk.
EA Setup at a Glance
- Platform: MetaTrader 4
- Instrument: AUDCAD only
- Timeframe: M5
- Strategy: Volatility-aware grid + adaptive martingale recovery
- Risk presets: Conservative, Balanced, Aggressive
- Account type: Hedge mode required
- Leverage: 1:100 minimum, 1:500 recommended
- Minimum deposit: $200 (Conservative), $500+ recommended
- VPS: Strongly recommended for 24/5 operation
- Recommended brokers: IC Markets, IC Trading, Pepperstone, or any reputable ECN broker with tight AUDCAD spreads
- Activations: Unlimited brokers and accounts (per developer’s MT4 licensing)
From the Quantum Queen Developer
Bogdan Ion Puscasu has built the most successful EA portfolio on MQL5. The MT5 product line includes Quantum Queen (480+ reviews, 4.97★, the highest-rated EA on MQL5), Quantum Athena, Quantum Emperor (496+ reviews), Quantum Valkyrie, and others. Quantum King MT4 brings the AUDCAD grid logic to MetaTrader 4 traders who can’t or don’t run MT5.
Who Quantum King MT4 Is For
Ideal for traders who:
- Run MT4 terminals (broker-locked, platform preference, or existing setup)
- Want AUDCAD grid exposure without switching to MT5
- Use brokers that don’t offer MT5 (some regulated brokers still only offer MT4)
- Already run other MT4 EAs and want to add a low-correlation diversifier
- Understand grid mechanics and can sit through 15-20% floating drawdowns
Consider the MT5 version if you:
- Already run MT5 — get Quantum King MT5 for native MT5 order management
- Want to add Queen, Athena, or Valkyrie to your portfolio (those are MT5 only)
- Need access to the broader Quantum ecosystem on a single terminal
What You Receive
- Quantum King EA for MT4 (.ex4) — Latest Version
- Three risk presets (Conservative, Balanced, Aggressive)
- Setup manual covering broker selection, filters, and risk templates
- Free lifetime updates
Risk Disclaimer
Past performance does not guarantee future results. Quantum King uses grid + adaptive martingale mechanics — positions accumulate during adverse price movement and close profitably when AUDCAD reverts. Extended drawdown periods are normal grid operation. The live signal shows 21% max equity drawdown on the published settings. Conservative risk levels produce lower returns and lower drawdowns. Do not manually close grid positions during drawdowns as this prevents recovery. AUDCAD’s mean-reverting tendency reduces but does not eliminate grid risk during extreme commodity moves. Always test on demo before going live. Do not trade with funds you cannot afford to lose.
Want the Full Breakdown?
📖 Read our complete Quantum King review, setup guide and live signal breakdown →
Covers both MT4 and MT5 builds. Includes detailed live signal analysis, why AUDCAD was deliberately chosen over Gold, the volatility-aware grid mechanics explained, step-by-step installation walkthroughs for both platforms, broker selection criteria, the Quantum portfolio strategy, customer review patterns, and answers to the most common Quantum King questions.
