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I’m the developer behind Gonden DeathStar, PropOS Challenge Workstation MT5 and PropOS Gold Engine.

I don’t build EAs to generate entries. I build systems designed to operate under real conditions, where rules matter, execution matters, and risk cannot be hidden.

My focus is simple: controlled automation, precise execution, and tools that are built to last — not to impress in a backtest.

Please visit https://prometatrader.com/ to see live trading accounts!
Walter Marcelo Rando
Articolo pubblicato Measuring broker execution quality in MQL5: Why your live account doesn't match the backtest
Measuring broker execution quality in MQL5: Why your live account doesn't match the backtest

Live performance often drifts from backtests because of execution friction. We introduce an MQL5 diagnostic EA that records entry and exit slippage, asymmetry, observed spread, requotes, and per-leg latency, using a precise probe mode and an approximate passive mode, and writes every sample to CSV. Use the results to distinguish strategy issues from execution effects across your terminal, network, broker, and liquidity.

Walter Marcelo Rando
Articolo pubblicato Broker Reality Check (Part 1): Why Your EA Works on a Demo and Breaks on a Client's Broker
Broker Reality Check (Part 1): Why Your EA Works on a Demo and Breaks on a Client's Broker

Your Expert Advisor runs clean on your demo, then throws errors on a client's broker and quietly stops trading - and the code never changed. What changed is the broker's rulebook. This first article of the Broker Reality Check series builds a diagnostic EA that reads every relevant symbol trading condition - filling policy, stops and freeze levels, volume step, trade mode, swap and the triple-swap day - and flags the ones that silently break EAs, in plain language. It shows a green/amber/red panel, prints a report and dumps every Market Watch symbol to CSV, so you see why an OrderSend fails (10030, invalid stops, invalid volume) before it costs you a trade.

Walter Marcelo Rando
ONE TRADER (me). ONE SINGLE DAY (today May, 29 2026) 48 TRADES: 45 WINS / 3 LOSSES. NET PROFIT: +72.92% TOTAL CAPITAL: $30,000 TOTAL NET PROFIT: $21,874.83 AFTER COMMISSIONS. 0 INDICATORS. JUST 1 AUTOTRADE BUY/SELL/CLOSE BUTTON. Because the people who built this EA (me) actually know how to trade...
Walter Marcelo Rando
Walter Marcelo Rando
Closing another spectacular week! 🚀 🚀 🚀

🔥 Golden DeathStar locked in +65% profit using ONLY the WIN-WIN DEFAULT preset. Total profits across the full preset portfolio: + 417 % 🔥

💎 Live trades verified on MyfxBook (full preset portfolio!)

🎯 Check out the full portfolio in our channel: https://www.mql5.com/en/channels/prometatrader

We're ready for another trading week ahead!

Enjoy your weekend, recharge, and we'll see you in the markets on Monday. 💪
Walter Marcelo Rando
🚀 15 DAYS. +417.66% AUDITED PORTFOLIO RETURN. ZERO EXCUSES. Stop chasing overcomplicated EAs. This is Golden DeathStar : an institutional-grade , multi-preset infrastructure trading live on XAUUSD right now with an 84% win rate over 590 trades. Why jump in...
Walter Marcelo Rando
This week! Other +30%! Channel - Live Accounts: https://www.mql5.com/en/channels/prometatrader MT5 Version: https://www.mql5.com/en/market/product/178058 MT4 Version: https://www.mql5.com/en/market/product/178172 Channel - Live Accounts: https://www.mql5...
Walter Marcelo Rando
Walter Marcelo Rando
🔥 Excellent Trading Week! Brutal Profits! Golden DeathStar - Accelerator is running live and verified! 🔥

📈 +58% with 0—yes, 0!—DD 🚀

❌ No martingale
❌ No grid
❌ No hedging
❌ No averaging down

📊 Find all the presets for the accounts currently running live right here in our channel:
👉 https://www.mql5.com/en/channels/prometatrader

https://www.mql5.com/en/channels/prometatrader
Walter Marcelo Rando Prodotto pubblicato
Recensioni: 1
30.00 USD

Golden DeathStar EA, expert per XAUUSD sul timeframe M1 Golden DeathStar non è pensato per impressionarti con un'unica giornata perfetta in cui l'oro sale in linea retta. È pensato per lavorare con preset definiti, perché ha un solo obiettivo: cercare una % di profitto giornaliero. Non è uno strumento per giornate occasionali, né un robot che "opera una volta ogni 3 giorni". Opera tutti i giorni, e soltanto fino a raggiungere una % di profitto secondo il preset che scegli. L'obiettivo non è

Walter Marcelo Rando
Channel - Live Accounts: https://www.mql5.com/en/channels/prometatrader MT5 Version: https://www.mql5.com/en/market/product/178058 MT4 Version: https://www.mql5.com/en/market/product/178172 Channel - Live Accounts: https://www.mql5.com/en/channels/prometatrader MT5 Version: https://www.mql5...
Walter Marcelo Rando
Golden DeathStar EA, an expert advisor for XAUUSD on the M1 timeframe Golden DeathStar isn't built to wow you with one perfect day where gold runs in a straight line. It's built to work with defined presets, because it has a single goal: to chase a daily profit...
Walter Marcelo Rando Prodotto pubblicato
Recensioni: 1
30.00 USD

Golden DeathStar EA, expert advisor per XAUUSD sul time frame M1 Golden DeathStar non è stato pensato per impressionarti con un'unica giornata perfetta, in cui l'oro va in linea retta. È stato pensato per lavorare con preset definiti, perché ha un solo obiettivo: cercare una % di profitto giornaliero. Non è pensato per giornate sporadiche, né per «operare ogni 3 giorni», ma per operare tutti i giorni, unicamente ed esclusivamente fino a raggiungere una % di profitto in base al preset che scegli

Walter Marcelo Rando
The problem is not how much you make… it’s how much you survive when the market turns against you Most traders look for EAs that make a lot of money. Traders who actually live from this look for something different: a system that does not destroy the account during bad months...
Walter Marcelo Rando Prodotto pubblicato

PROPOS GOLD ENGINE EA XAUUSD di livello istituzionale Fai trading sull’oro a partire da $100 , non perché i requisiti siano più bassi, ma perché non esiste alcun rischio nascosto nel sistema. Una sola posizione alla volta , sempre protetta con stop loss e take profit. Trailing incluso. Nessun grid. Nessun martingala. Nessuna media: per questo puoi affidargli anche capitali più elevati. Qualità prima della quantità: aspettati circa 15–20 operazioni al mese. Tutto è basato su un price action

Walter Marcelo Rando
You can’t use just any EA on a prop firm account. And this is the mistake most traders make. They assume that if an EA is profitable, it will work everywhere. It won’t. The Problem Most Traders Don’t See Prop firms don’t all operate the same way. Each one has its own set of rules...
Walter Marcelo Rando Prodotto pubblicato

La maggior parte degli EA fallisce nelle challenge delle prop firm, non per colpa della strategia Falliscono perché non capiscono le regole. Drawdown giornaliero. Drawdown massimo. Limite del giorno migliore. Obiettivi per fase. Restrizioni di trailing. Giorni minimi di trading. Infrangi una sola regola e il tuo conto sparisce, insieme alla quota d'iscrizione. PropOS è stato creato per risolvere questo problema. La workstation tutto-in-uno per le prop firm Seleziona la tua prop firm. Le regole

Walter Marcelo Rando
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