Top MQL4 and MQL5 source codes based on user ratings - 214

Position size calculator for MT5. Drag the SL and TP lines on the chart and the panel shows the lot size for your risk %, the real risk after rounding, the reward and R:R. Never trades.

Clean and efficient Anchored VWAP (AVWAP) indicator for MetaTrader 5. Calculates volume-weighted average price from a user-defined anchor date with optional volatility standard deviation bands.

Panel showing a candle countdown, spread, daily ATR and the proportion of the daily range already used.

Daily pivot point with three resistance levels and three support levels, using Classic, Fibonacci or Camarilla formulas.

A basic expert advisor that trades in the direction of the 9.30 am New York 5-minute candle on index CFDs (US100 / NAS100). One trade per day, fixed stop-loss and take-profit levels, forced closure; no martingale or grid strategy.

An educational MetaTrader 5 Expert Advisor with four RSI and MACD signal modes calculated on completed Renko bricks. Fixed-size Renko is built internally from Bid ticks. No external indicators, DLLs, custom symbols or offline charts are required.

Marks breakouts of the recent trading range and the breakouts that fail (price closes back inside within a few bars). Closed bars only, alerts, buffers for iCustom.

AttachExpert.mqh attaches an Expert Advisor to a chart from MQL5 code, with the inputs you choose and with "Allow Algo Trading" on or off.

Script that reports what an EA has to cope with here: hedging or netting, trade permissions, filling modes, stop and freeze levels, volume rules, swaps and the positions already open on the symbol. Saves a report file you can attach to a Freelance order.

Kalman filter and smoother with an exact diffuse start, missing values and maximum likelihood: local level, local linear trend and a regression whose hedge ratio drifts.

Position manager for MT5 that closes the best winner together with the worst loser when their combined result reaches your minimum. Basket take profit and stop loss in money, magic filter, simple panel. Works with grid, martingale and manual trades. Open source code.

Partial close expert advisor for MetaTrader 5: closes a percent of the position at TP1, TP2, TP3, TP4 and TP5, moves the stop loss to breakeven and trails it. Works on manual trades and on positions of any EA, on any symbol, Gold (XAUUSD) included. Open source code.

Draws Asia, London and New York session boxes on the chart with each session's high and low.

Fits five bivariate copulas on ranks, with Kendall's tau, tail dependence, the probability of joint extreme days, AIC and the conditional probabilities of pairs trading.

A one-file library that handles how an EA trades: pre-trade checks, normalisation to broker limits, safe retries, one order per signal, isolation by magic number and state recovery after a restart. Lot by risk, daily loss limit and equity floor included. Verified in the Strategy Tester.

Close all positions panel for MT5: seven buttons to close all, buys, sells, winners, losers, the chart symbol or delete pending orders, on Gold (XAUUSD), forex or any symbol, for manual trades and any EA. Open source code.

A stop distance in points is not money until the tick size and tick value make it one. This library turns four risk bases into a lot size, floors it to the volume step, caps it against free margin and tracks a daily loss limit. Two MQL5 headers, no DLL.

Draws the high and low of a chosen time window and alerts on the first break on each side. The levels are also available through iCustom.

Draws the daily opening range and its breakout levels, with a dashboard showing how the range resolved over your lookback: broken up, down, both ways or not at all, and how often a breakout hit its target before the opposite side.

Auto Fibonacci retracement for Gold (XAUUSD), forex and any symbol: draws the levels on the last completed swing leg by itself, with the 61.8 in its own colour, prices on each level and an optional alert. Open source code.

Local MT5-to-MT5 trade copier through the Common files folder. One EA in Master or Slave mode: lot multiplier or fixed lot, symbol prefix/suffix, reverse, SL/TP and partial close sync.

Live rolling-correlation heatmap across your watchlist — spot hidden overlapping exposure before you stack three “different” trades that are secretly one trade.

An animated one-click trading panel for the chart symbol: buy and sell with live prices, lot stepper, close all, close profit, close loss and breakeven, with confirmations, a practice mode and a collapsible, draggable panel.

Auto-scaled round-number grid for any symbol — big figures and half levels drawn to the right spacing whether you're on EURUSD, USDJPY, XAUUSD or an index, plus a live "distance to nearest magnet" readout.

Marks previous day, Asian and London session highs and lows from chart bars and flags closed-bar, ATR-filtered liquidity sweeps. Non-repainting, with EA-readable buy/sell buffers and an on-chart display panel.

Chart panel that calculates position size from risk % and stop-loss in points, with tick value, margin and money at risk. Does not place orders.

Draw Asian, London and New York session ranges as chart boxes with high/low lines, labels and an optional London–New York overlap. Configure GMT or broker-server hours and review the latest session statistics in a panel.

Session windows are quoted in GMT; the chart runs on the broker's clock. This indicator takes each window in GMT, applies your broker's offset, and draws the box over that window's bars. It adds the high and low lines to every enabled window unless you switch them off, prints the session name and range only on that session's newest box when there is room, and never trades.

An account-wide MetaTrader 5 utility that tracks daily loss from the chosen start-of-day equity and intraday equity peak. Shows warning and critical levels with optional money and percent limits plus terminal, sound or push alerts. It never places, modifies or closes trades.

A small script that turns "risk in % of the account" and "stop loss in pips" into a lot size. It only calculates and prints; it never opens, modifies or closes trades.

Script that exports the closed trades of your account to a CSV file and prints a short summary: trades, win rate, net result and profit factor.

Supertrend trend-following indicator based on ATR. The line changes color and side of the price when the trend changes, with optional signal arrows and alerts.

Draws the daily open price as a horizontal line and shows, in points, how far the current price is from today's open. The label changes color depending on whether the price is above or below the open.