Trend Reversal Probability MT5 Multi TF Scanner
- Indicators
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Duc Hoan Nguyen
I develop practical trading tools for MetaTrader 4/5, with a focus on indicator integration, Multi-Timeframe analysis, market scanning, and automated trading solutions.
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• Indicator-to-EA Solutions - Version: 1.0
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Tracking how long momentum persists helps you recognize when a phase has lasted longer than its historical context, while distinguishing early warnings from conditional directional-change signals. Combining this information across symbols and timeframes helps you focus on charts that deserve closer attention.
Read the full explanation of the indicator logic and how to use it
Trend Reversal Probability Multi TF Scanner
Trend Reversal Probability Multi TF Scanner tracks the number of bars since the latest momentum phase change, compares it with completed phases and provides statistical reference levels in the indicator window. Scanner supports monitoring multiple symbols and timeframes; Multi-TF lets you view data from the selected timeframe on your current chart.
Reading duration and statistical context
- Five Signal Duration levels: the main duration line and lines equal to 80%, 60%, 40% and 20% of its value. Each level has separate colored lines for bullish and bearish phases, turquoise and red by default. These ratios represent duration, not probability.
- Five reference lines: Average Duration, Lower 1 SD and Upper 1–3 SD help compare the current duration with the mean and dispersion of historical samples. The lines are gray by default, with individual display settings.
- Probability in the Data Window: a value from 0 to 1 estimated using a normal-distribution model based on duration. A high value indicates an extended phase within the model; it does not guarantee an imminent price reversal or a trading win rate.
Two steps: warning and directional-change confirmation
Momentum is built from the difference between fast and slow MAs, then processed through an RSI-style oscillator centered on 0. Defaults are SMA 5 and 34 on median price, with a smoothing length of 20. When the oscillator crosses 0, duration resets to 0.
Bullish Reversal Warning is an orange arrow with code 217 during a negative-momentum phase when duration exceeds the selected Buy threshold. Bearish Reversal Warning uses code 218 in a positive phase when the Sell threshold is exceeded. Select the two thresholds independently under Buy Warning Threshold Line and Sell Warning Threshold Line, from Lower 1 SD to Upper 3 SD; both default to Upper 3 SD. Warnings require valid statistical data and 100 valid duration values to calculate their display position.
Buy Signal, turquoise code 233 by default, appears when momentum crosses above 0 and the immediately preceding bar has a Bullish Reversal Warning. Sell Signal, red code 234 by default, requires a crossing below 0 and a Bearish Reversal Warning on the immediately preceding bar. Warnings from earlier bars are not retained while waiting for confirmation; a shift without a warning on the preceding bar does not produce Buy/Sell.
Customization and alerts
You can change lengths, MA methods, applied prices, smoothing and separate warning thresholds for each side. Lines and symbols have visibility, color and width options; lines also have style and transparency settings. Hiding a component does not remove its calculation conditions.
Six alert types cover Buy, Sell, Probability above 84%, above 98%, below 14%, and a duration reset to 0. Conditions are checked on closed bars; probability levels are threshold states, not just fresh crossings. Popup messages, push notifications, email and sound are available. Alerts for the current symbol and Scanner symbols are both off by default.
Scanner and Multi-TF
Scanner brings monitoring of multiple symbols and timeframes into one dashboard; you can open a chart from a selected cell when the corresponding option is enabled. Multi-TF supports comparing momentum phases across timeframes; separate parameters by timeframe let you adjust MAs and both warning thresholds to your monitoring approach. Timeframe labels and countdowns help identify the data being viewed.
How to use it
- Observe the duration-line colors to identify the momentum phase and compare it with the statistical levels.
- When an orange arrow appears, watch whether the very next bar changes direction and produces Buy/Sell. Distinguish an extended-phase warning from a confirmation signal.
- Use Scanner to select a symbol and timeframe, then open the chart to inspect price action and the warning–confirmation bar pair.
- Refer to the context on other timeframes and evaluate signals on closed bars. Data on a forming bar, including a higher-timeframe bar, can change before it closes.
Each timeframe has its own counter and statistics. Changing MAs, thresholds or the history range can change results. Combine the indicator information with price structure and your risk-management principles.
