Donovan Tjin-a-tak
Donovan Tjin-a-tak
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Trader & Developer at Trading Logic
Trader & systems developer focused on structured, rule-based strategies. I build robust trading tools for MT5 and TradingView (Pine Script), designed for clarity, efficiency and real market conditions.

My primary focus is developing professional tools under my own product line. Selective custom development for MT5 and Pine Script is available for serious projects.

No hype, no unrealistic claims — only practical execution support.
Donovan Tjin-a-tak Published product

The SuperSmooth WMA Trading System Pro is a structured, rule-based trading system designed to eliminate low-quality trades. Instead of relying on a single indicator, it requires full alignment between trend, momentum, structure, and higher timeframe direction before allowing a signal. Every entry is filtered through four independent confirmation layers. If one filter disagrees, no trade is generated. This enforces discipline and significantly reduces false signals. Signals are displayed directly

Donovan Tjin-a-tak Published product

The Dual WMA Entry System is a clean, no-nonsense indicator that plots two Weighted Moving Averages directly on your price chart and automatically detects low-momentum (sideways) market conditions. WMA1 is calculated on the open price with a slight offset and acts as a trend bias line. WMA2 is calculated on the close price and acts as a momentum confirmation line. When the distance between the two WMAs narrows, the market is entering consolidation. During these periods, candles are automatically

Donovan Tjin-a-tak Published product

See the trend across all timeframes — at a glance. Most traders use a single moving average on a single timeframe. That means they are missing the bigger picture. SuperSmooth Multi Timeframe EMA Pro displays four timeframes simultaneously on any chart, each with an ultra-smooth trend line that changes colour automatically based on direction. Add optional candle colouring to see at a glance whether price is above or below your chosen reference line. How it works The indicator applies a triple

Donovan Tjin-a-tak Published product

See the trend across all timeframes — at a glance. Most traders use a single moving average on a single timeframe. That means they are missing the bigger picture. SuperSmooth Multi Timeframe EMA solves this by displaying two timeframes simultaneously on any chart, each with an ultra-smooth trend line that changes colour automatically based on direction. How it works The indicator applies a triple nested EMA — an EMA of an EMA of an EMA — to two timeframes. This triple smoothing eliminates noise

Donovan Tjin-a-tak
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