BSS Scalping EA – GBPUSD H1 Scalping Robot for MetaTrader 4

BSS Scalping EA is an automated scalping system trading GBPUSD on the H1 timeframe within MetaTrader 4, active during the 03:00–23:00 trading window.

All available results come from backtests using crude control-point modelling — not live or demo-verified performance. Read Section 3 before making any purchase decision.

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Key Highlights

• ✅ Trailing stop + time-based exit caps runaway losses — two independent controls per trade
• ✅ Backtested Jan–Sep 2024 on GBPUSD H1; profit factor 2.13 under open-prices model
• ✅ AutoLot sizing scales position size automatically to account equity via Crisk parameter
• ✅ MaxSpread filter at 20 points blocks execution during wide-spread conditions
• ✅ Crude control-point methodology disclosed upfront — unlike most competing pages that bury this warning

Performance Results

The most complete backtest covers Jan–Sep 2024 (9 months) on GBPUSD H1, starting from $1,000. It recorded a profit factor of 2.13 across 921 trades, with a win rate of 22.15% — meaning the system relies on large winners offsetting frequent small losses. The largest single profit trade reached $166,000; the largest loss was -$15,000.

A second 1-month backtest (Aug–Sep 2024, $10,000 start) used the same parameters and recorded a profit factor of 5.20 across 165 trades, with maximal drawdown of 9.56%. The shorter window and higher starting capital produce materially different metrics from the 9-month run.

A third 1-month backtest (Aug–Sep 2024, $1,000 start) showed maximal drawdown of 16.65% and a profit factor of 4.19 across 168 trades.

The 9-month run revealed a relative drawdown of 93.60% — meaning equity came within 6.4% of a full wipeout at one point. This occurred because AutoLot compounding at Crisk 20 scales position sizes aggressively as equity grows, amplifying losses during a 17-consecutive-loss sequence. To trade this EA without catastrophic risk: cap Crisk at 5–10 on live accounts, start with no more than you can afford to lose entirely, and monitor open drawdown weekly. Under conservative sizing, realistic outcomes range from modest gains to a 30–50% account loss before recovery — not the headline ROI figures from compounded backtests. ⚠️ All results use crude control-point or open-prices-only modelling — neither method replicates live execution conditions.

All data from backtests on demo accounts (ICMarketsC-Demo01, Build 1421). No live or Myfxbook-verified signal exists. Modelling quality and methodology limitations mean these results cannot predict live performance. Minimum 90-day demo testing mandatory before risking any capital.

How It Works

Strategy: Intraday scalping on GBPUSD H1 — exploits short-term price momentum during the 03:00–23:00 session window, avoiding low-liquidity overnight hours.

Entry: Triggered on H1 bar open using Delta (70) and ProfitTarget (200) thresholds as directional filters.

Exit: Primary exit via TrailingStop (20 pts) with TrailingStep (20 pts); hard TakeProfit at 1500 pts and maxDuration (5 bars) force-closes stale trades.

Risk Control: AutoLot scales lot size to equity via Crisk — set Crisk to 5–10 on live accounts, not the backtest default of 20.

✅ Best conditions: Trending GBPUSD sessions • Spreads under 2 pips • Stable VPS with low latency to broker

⚠️ Caution: High-impact GBP/USD news events • Wide-spread broker conditions above MaxSpread 20

Technical Specifications

This EA runs on MT4 only. Need an MT5-compatible alternative? Browse MT5 EAs.

Who Should Use This EA

✅ Ideal for:

• MT4 traders who want a pre-built GBPUSD scalper to test and optimise in demo
• Traders comfortable with aggressive compounding strategies and able to monitor equity drawdown weekly
• Buyers who understand backtest limitations and treat this as a starting framework, not a proven system

✅ Best results when:

• Crisk is set to 5–10 (not the default 20) to control compounding exposure
• Demo-tested for 90+ days on a live-conditions account before committing real capital

Download Package Included

• ✅ Experts:
  • BSS Scalping EA (.ex4)
• ✅ Presets:
  • Low risk bss scalping.set

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Frequently Asked Questions