📌 ScalperTrailingEA — high-frequency scalping advisorScalperTrailingEA is a fully automated scalping robot designed for short-term trading (M1–H1) using pending orders (BuyStop and SellStop). The EA opens trades at the start of a new bar, sets a tight stop loss, and activates a trailing stop when the market moves into profit.


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https://www.mql5.com/ru/market/product/157152


The strategy is based on price action and volatility (ATR) . It automatically adapts to market conditions:


does not trade with high spreads ,blocks entries at low volatility ,adjusts the lot to the current deposit and risk ,Complies with all broker restrictions ( SYMBOL_VOLUME_MIN , SYMBOL_TRADE_STOPS_LEVEL , etc.). The advisor has passed all the checks required for publication on the Market:✅ Support for any symbols (EURUSD, XAUUSD, GBPJPY, etc.)✅ Safe trading requests (all OrderSend , OrderModify , OrderDelete are checked)✅ No hidden restrictions - works even on NZDUSD✅ Accounting for margin, lot, spread and freeze level


   ⚙️ Advisor parametersLot management ParameterBy defaultDescriptionLotSize0.1Fixed lot size (if UseRiskPercent = false ).UseRiskPercentfalseEnable lot calculation based on risk percentage of deposit?RiskPercent1.0The percentage of your deposit that you are willing to lose in one trade (only if UseRiskPercent = true ).RiskPips20Estimated distance to Stop Loss in pips – used for lot calculation. Must match StopLossPips !  Trading logic ParameterBy defaultDescriptionOffsetPointsPips80At what distance (in pips) from the bar opening price should BuyStop (+) and SellStop (-) be placed.StopLossPips40Stop Loss size in pips from the pending order activation price.TrailingStopPips40Trailing stop (in pips) - automatically moves Stop Loss to breakeven and beyond.MaxSpreadPoints30The maximum allowed spread in points (not pips!). If exceeded, trading is blocked. Example: 30 = 3.0 pips on EURUSD (5 digits).UseATRFiltertrueEnable volatility filter (ATR)?ATRPeriod4ATR indicator period.MinATRPips3The minimum ATR value (in pips ) at which trading is permitted. It is recommended to set a very low value (e.g., 0.00001 ) to avoid a lack of trading on quiet instruments (e.g., NZDUSD).  Order management ParameterBy defaultDescriptionMagicNumber123456A unique number for identifying the advisor's orders. Change this if you run multiple instances.Comm_BuyStop"ScalperTrailingEA v1.5 BuyStop"Comment for BuyStop orders (displayed in history).Comm_SellStop"ScalperTrailingEA v1.5 SellStop"Comment for SellStop orders.  🔒 Safety and reliability✔️ The lot is automatically normalized to the symbol requirements ( SYMBOL_VOLUME_MIN/MAX/STEP )✔️ Before each order, the availability of margin is checked using AccountFreeMarginCheck()✔️ SL/TP levels are automatically adjusted to SYMBOL_TRADE_STOPS_LEVEL✔️ Modifying an order without actually changing the levels is prohibited✔️ All trading functions check the return value (no silent errors)   📈 RecommendationsAccount : ECN/RAW with low spreads and fast executionDeposit : from $100 (for a lot of 0.01)Instruments : EURUSD, XAUUSD, GBPUSD (high liquidity)Timeframes : M5, M15, H1VPS : required for 24/7 operation   ❗ Important : If you use risk-based lot calculation ( UseRiskPercent = true ), make sure RiskPips matches your StopLossPips . Otherwise, the risk will be calculated incorrectly .

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