How to Read Forex Signals on MT5: The Signal Decoder’s Handbook

TL;DR: MT5 delivers forex signals through two distinct systems: the built-in MQL5 Signals copy-trading service and third-party custom indicator signals. Reading a signal correctly means decoding six core fields — pair, direction, entry, stop loss, take profit, and timeframe — then validating provider stats and sizing your position before executing. Misreading any one field carries direct financial risk.

Reading a forex signal wrong is more dangerous than having no signal at all. An entry taken at the wrong price, with no stop loss placed, or from a provider with a 60% drawdown, does not give you an edge — it gives you controlled losses at best and account wipeout at worst.

This guide covers both signal types available on MetaTrader 5, breaks down every data field a signal contains, gives you a pre-trade validation checklist, and explains how to size positions correctly from the signal data you receive.

The Two MT5 Signal Types: Why Most Traders Confuse Them

MT5 traders operate with two fundamentally different signal systems, and most educational content covers only one. Conflating them leads to missed setups and wrong execution workflows.

MQL5 Social Signals is MetaTrader 5’s built-in copy-trading ecosystem. Signal providers connect their live accounts; subscribers mirror trades automatically or use the signals as a manual reference.

Custom indicator signals are technical overlays — arrow indicators, oscillator crossovers, or alert-based systems — that generate buy/sell markers directly on your MT5 chart. They are not connected to any broker or live trader.

You need a different reading workflow for each type.

How to Read MQL5 Social Signal Data (The Built-In Service)

Accessing the Signals Tab

1. Open MT5 → click View → Signals (or press Ctrl+W).
2. The panel lists available providers with sortable columns: gain %, drawdown, subscribers, weeks active.
3. Click any provider name to open their full statistics page before subscribing.

Signal Provider Stats: What Each Field Means

Before you subscribe to — or manually follow — any MQL5 signal provider, these are the fields you must read:

A provider showing 300% gain over 8 weeks with 65% drawdown is not a signal service — it is a margin account waiting to blow. Prioritize drawdown and profit factor over headline gain.

How to Subscribe to MT5 Signals

1. From the provider’s stats page, click Subscribe.
2. Set Deposit % — the fraction of your balance allocated to mirror the provider’s position sizing. Starting at 10–20% reduces proportional risk while you evaluate performance.
3. Choose Copy by balance ratio or Copy by equity ratio depending on account size alignment.
4. Enable Stop if equity falls below [X]% as a circuit breaker.

For our full breakdown of forex signals sourcing and vetting, see the dedicated guide.

How to Read Custom Indicator Signal Arrows on MT5 Charts

Custom indicators display signals as visual overlays on your price chart. The two most common outputs are arrow signals and alert signals.

What a Buy/Sell Arrow Signal Means

A buy arrow is placed below a candle to indicate a long entry signal at that bar’s close (or open, depending on indicator logic). A sell arrow is placed above a candle to indicate a short entry signal.

The arrow does not automatically enter a trade. You must manually place the order.

Anatomy of a Custom Indicator Signal (What to Read)

When a signal arrow fires, extract these values before acting:

Many custom indicators do not output SL and TP values. If yours does not, you must derive them independently from structure (swing highs/lows) or ATR before placing the trade.

Installing a Custom Signal Indicator on MT5

1. Download the .ex5 or .mq5 file.
2. In MT5: File → Open Data Folder → MQL5 → Indicators. Paste the file.
3. Restart MT5, open the Navigator panel (Ctrl+N), find the indicator under Indicators, and drag it onto the chart.
4. Configure input parameters (period, alert on/off, arrow size) in the settings dialog.

For a curated list of validated tools, see MT5 indicators.

Non-Repainting vs. Repainting: Why It Determines Signal Reliability

A repainting indicator recalculates past signal arrows as new price data arrives, meaning an arrow visible on a historical bar may disappear or shift after the fact. Backtest results on repainting indicators are not reliable.

A non-repainting indicator locks its signal arrow at the close of the signal bar and does not change it regardless of subsequent price action.

This distinction is critical because:

• Repainting indicators produce backtests that show near-perfect accuracy but fail in live trading.
• The only valid way to test a custom indicator is to watch it in real time across 20–30 signals, not to scroll back through historical charts.

How to identify repainting: Run the indicator on a chart, screenshot signal locations at bar close, then check 10 bars later whether those arrows are still in the same place. If they have moved or disappeared, the indicator repaints.

How to Size a Position from a Forex Signal (The Risk Workflow)

Receiving a signal is step one. Translating it into a correctly sized position is where most retail traders fail.

The Calculation

Position sizing from a signal requires three inputs: your account balance, your risk per trade (%), and the signal’s stop loss distance in pips.

Formula:

Risk Amount ($) = Account Balance × Risk % per Trade
Pip Value (standard lot) = $10 per pip (for USD-quoted pairs)
Lot Size = Risk Amount ÷ (SL Distance in Pips × Pip Value)

Example:

• Account balance: $5,000
• Risk per trade: 1% → $50 risk
• Signal SL distance: 25 pips
• Pip value (EURUSD, standard lot): $10

Lot Size = $50 ÷ (25 × $10) = $50 ÷ $250 = 0.20 lots

This calculation applies whether the signal comes from an MQL5 provider you are following manually or from a custom indicator arrow. Never take a signal without completing this step first.

5-Point Signal Validation Checklist (Pre-Trade)

Before executing any MT5 forex signal, run through these five checks:

1. Provider/Indicator Credibility — For MQL5 signals: drawdown below 30%, profit factor above 1.3, minimum 12 weeks of history. For custom indicators: confirmed non-repainting, 20+ live signal observation period.

1. Multi-Timeframe Confluence — Does the signal direction align with the trend on the next higher timeframe? A sell signal on H1 is stronger if H4 is also bearish.

1. Spread Check — Check current spread before entry. If spread is abnormally wide (news events, low liquidity sessions), the signal entry price is effectively worse than shown. Set a maximum acceptable spread per pair.

1. SL and TP Defined — Do not enter without both values set. If the signal source does not provide them, define them from chart structure before placing the order.

1. Position Size Calculated — Complete the lot size calculation above. Never default to a fixed lot without confirming the implied risk relative to your SL distance.

How to Read MT5 Signals on Mobile

The MT5 mobile app (iOS and Android) supports both signal types with a streamlined interface.

Viewing MQL5 Signals on Mobile

1. Open the MT5 app → tap the Menu icon (bottom right or hamburger icon).
2. Select Signals.
3. Browse providers — tap any name to view the full stats page (gain, drawdown, trades, weeks).
4. To subscribe, tap Subscribe and configure the same deposit % and equity stop settings as desktop.

Note: Managing an active signal subscription (adjusting copy ratios, pausing) is easier on desktop. Use mobile primarily for monitoring.

Viewing Custom Indicator Signals on Mobile

Custom .ex5 indicators installed on your desktop MT5 do not transfer to the mobile app. Mobile chart overlays are limited to MT5’s built-in indicators.

To receive mobile alerts from a custom indicator installed on desktop:

1. In the indicator’s settings, enable Push Notifications.
2. In MT5 desktop: Tools → Options → Notifications — enter your MetaQuotes ID (found in the mobile app under Settings).
3. The indicator will push alerts to your mobile device when a signal fires, even if you are not watching the desktop chart.

Using MT5 Forex Signals for Binary Options Entry Timing

MT5 signals — both custom indicator arrows and MQL5 directional bias — can be used to time entries on binary options instruments where such trading is available and legally permitted.

Important disclaimer: Binary options trading is banned or heavily restricted in many jurisdictions including the EU, UK, Canada, and Australia. Confirm the regulatory status in your specific jurisdiction before trading any binary options product. This section is informational only and does not constitute trading advice.

For traders in permitted jurisdictions, MT5 signals can inform binary options entries in the following ways:

• Custom arrow indicators on M5 or M15 charts generate directional signals that align with short-expiry binary options (5–15 minute contracts).
• MQL5 provider bias (the general direction a signal provider is trading) can confirm the macro direction for a higher/lower contract.
• The same multi-timeframe confluence and spread checks from the validation checklist apply — a signal on a low-liquidity instrument with a wide spread will degrade the entry quality regardless of contract type.

For context on applying signal-based entries to structured products, see our binary options strategy guide.

FAQ

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