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Combination is an MT4 expert advisor that runs several virtual trend and counter-trend strategies with averaging, and sizes lots automatically from balance and a Risk setting. It is designed for the M15 chart.
Get one message the moment it launches, with its price.
Combination is an expert advisor for MetaTrader 4 that bundles several virtual strategies into one program. Some of them follow the trend and some trade against it, and each uses averaging with its own parameters. You pick a strategy for the pair, set a Risk value and attach it to an M15 chart.
Internally the EA keeps a number of virtual strategies, each with its own virtual balance and its own cap on lot size. Their signals are combined and the resulting positions are sent to your trading account. Lot sizes are not entered by hand: the EA calculates them from your account balance, the deposit currency and the Risk parameter. Virtual lots start at 0.01.
Because the strategies add to positions as price moves against them, exposure can grow during a prolonged move. To limit this, the EA ships with its full protection system switched on. As a result it may close a group of trades at a loss. If you want fewer forced closures, you can raise the virtual balance and virtual maximum lots, accepting that positions can become larger and drawdown can increase.
The developer recommends the M15 chart and lists these pairs: EURUSD, USDCAD, AUDNZD, AUDCAD, NZDCAD and USDJPY. An ECN-type account with a spread under roughly 2 pips is suggested, with leverage between 1:200 and 1:500. Smaller leverage can be used if you reduce the risk. Confirm the symbol names and spreads at your own broker before you start.
The list of inputs is long. The ones most buyers need first are shown below. Check the full input list in the terminal for the rest.
| Parameter | Purpose |
|---|---|
| Select Strategy | Chooses which strategy set to run on the chart |
| Risk | Scales lot size; a higher value means smaller lots for the same balance |
| AutoFixBalance / FixedBalance | Fix the balance the EA works with, or use the full balance when set to 0 |
| VirtualMaxLots | Limit on total lots across all virtual strategies |
| VirtualStrategyBalance / VirtualStrategyMaxLots | Balance and lot cap of each virtual strategy |
| SpreadLimit | Maximum spread, in points, at which the EA will trade |
| Magic Number | Identifies the EA's orders |
| Auto Restart | Restarts virtual strategies, with options for days and forced restart |
| Global Recovery | Recovery logic with a balance loss limit and an increment |
Other inputs cover automatic GMT detection, a manual GMT offset, slippage, commission compensation, FIFO, partial closure, a position limit per symbol and closing before the weekend.
Trading carries risk and you can lose part or all of your deposit. Averaging strategies can build large positions in a strong, one-sided market. Any tests and calculations are theoretical, and past results do not predict future ones. Try the EA on a demo account first.
For continuous operation, run the terminal on a VPS and make sure the broker allows expert advisors.
| Product type | Expert Advisor |
|---|---|
| Platform | MetaTrader 4 |
| Strategy focus | Trend |
| Delivery | Download from your account after purchase |
| License key | Not needed |
| Status | Launching soon |
| Category | Expert advisor |
| Trade style | Trend and counter-trend virtual strategies with averaging |
| Suggested pairs | EURUSD, USDCAD, AUDNZD, AUDCAD, NZDCAD, USDJPY |
| Timeframe | M15 |
| Account type | ECN or similar, with low spreads |
| Position sizing | Automatic, based on balance, deposit currency and Risk |
| Requirements | Terminal running continuously, for example on a VPS |
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No. This listing is the MetaTrader 4 version and it only runs in MT4. It will not load in MT5. If you trade on MT5, look for a separate MT5 product instead of trying to convert this one.
Copy the expert advisor file into the MQL4/Experts folder through File > Open Data Folder in MT4, then restart the terminal or refresh the Navigator. Open an M15 chart of the pair you want to trade, drag the EA onto it and make sure automated trading is switched on. Allow live trading in the EA properties if the platform asks.
The developer's recommendations point to an ECN-style account with a spread below about 2 pips and leverage in the range of 1:200 to 1:500. Lower leverage can work if you also reduce risk. Check your own broker's conditions, and test on a demo account first.
The developer suggests raising Risk as you add pairs, because drawdowns can overlap. The formula given is (number of pairs + 1) / 2 multiplied by 5000. A higher Risk number means smaller lots for a given balance. Treat the formula as a starting point, not a rule, and test it against your own deposit.
The protection system is fully enabled by default, so it may close a basket at a loss to limit exposure. You can loosen it by raising VirtualStrategyBalance and VirtualStrategyMaxLots. That makes forced loss closures less frequent but can allow larger positions and a deeper drawdown.
Combination
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