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Arin2 is an MT4 expert advisor that opens grids of orders on each side of the market, either against the move or with it. It sizes lots from account balance and closes baskets at a percentage gain.
Get one message the moment it launches, with its price.
Arin2 is an expert advisor for MetaTrader 4 that trades with a grid of orders. It can work against the prevailing move in the style of a classic grid, or follow the move in an anti-martingale manner, and it sizes its positions automatically from your account balance if you choose.
The expert places orders at a fixed distance from one another in pips, building a buy grid, a sell grid, or both. Each side has its own switch, magic number, initial lot, lot exponent, grid size and maximum order count. A reverse setting swaps the direction of normal operation, so buy logic becomes sell logic and the other way round. This is how you move between counter-trend and trend-following behaviour.
Baskets of orders are closed when they reach a profit target. The target can be a percentage of account balance, a pip value, or you can add a stop loss that becomes active once the grid reaches a chosen level. Because the grid spacing is narrow, the expert can open and close many trades, which raises trading volume and makes spreads and commissions an important cost.
An optional routine uses profitable orders to close losing ones once the grid reaches a set level. It can shrink open exposure but it also realises losses, so test it before relying on it.
The expert can be attached to any symbol and timeframe, because spacing is measured in pips and not by candles. Forex pairs and metals are the usual choices. Spreads, commissions, minimum lot step and stop levels differ between brokers, so settings that suit one account may not suit another.
The main inputs are summarised below. Check the actual defaults in the input window, as they should not be treated as recommendations.
| Group | What it controls |
|---|---|
| Percent of balance | Calculates the initial lot automatically from balance |
| Take profit percent | Closes all orders at a chosen gain in balance |
| Time filter | Limits trading to a start and end hour |
| Stop loss level | Activates a stop once the grid reaches a chosen level |
| Reverse operation | Switches between counter-trend and trend-following |
| Slippage | Maximum accepted slippage in points |
| Drawdown reducer | Closes loss orders using profit orders from a set grid level |
| Buy and sell blocks | Magic number, lot, lot exponent, grid size and order limit per side |
A lot exponent above 1 multiplies position size at each level, and even an exponent of 1 keeps adding exposure as the grid deepens. Large maximum order counts can use up margin quickly. Check your broker's maximum number of open trades and its policy on high-frequency activity. Start with small lots on a demo account.
Trading carries risk, and you can lose some or all of your deposit. Past results, including backtests, do not predict future ones.
| Product type | Expert Advisor |
|---|---|
| Platform | MetaTrader 4 |
| Strategy focus | Trend, Grid, Volume |
| Delivery | Download from your account after purchase |
| License key | Not needed |
| Status | Launching soon |
| Category | Expert advisor |
| Strategy tags | Trend, grid, volume |
| Markets | Forex pairs and metals, depending on broker |
| Timeframes | Any; grid spacing is set in pips, not by chart period |
| Trade style | High-frequency grid with basket closing |
| Account type | Hedging-capable account; low-spread ECN-style execution suggested |
| Lot sizing | Percentage of balance or fixed initial lot |
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It is built for MetaTrader 4. It will not load in MetaTrader 5, which uses a different programming language and order model.
The strategy opens buy and sell orders that can be held at the same time, so you need an account that allows hedging. Tight spreads and fast execution matter because the grid spacing is small. Also check your broker's limit on open trades and its rules on high-frequency trading before you run it.
Yes, review them before use. Grid size, maximum orders, lot sizing and the closing method all affect how much exposure the grid can build. Test on a demo account and in the Strategy Tester first, using your own broker's data and spreads.
Buy and sell orders use separate magic numbers, so several copies can run on different symbols or with different settings. Give each copy its own magic numbers so they do not interfere with each other, and keep an eye on total margin use.
Copy the expert file into the MQL4/Experts folder through File, Open Data Folder in MetaTrader 4. Restart the terminal or refresh the Navigator, then drag the expert onto a chart and allow automated trading.
No. Grid strategies can build large open positions in a strong move, and trading carries risk. Past results do not predict future ones.
Arin2
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