Double tops/bottoms look obvious in hindsight but are hard to automate because pivots, necklines, and tolerances are often subjective. This article turns the pattern into a deterministic contract suitable for MT5 Strategy Tester. The MQL5 design confirms swing pivots using a fixed left/right bar window, then pairs two same-type pivots only if their prices match within a tolerance scaled by pattern height. The neckline is strictly the opposite pivot between peaks, with spacing, leg-balance, and optional prior-trend filters to reject noisy shapes. A small state machine manages progression from detection to entry: arm the setup, trigger on a close through the neckline or wait for a retest, then invalidate on extreme breach or timeout. Risk rules are explicit: stop beyond the paired extreme with buffer, targets via measured-move or reward-to-risk, opti... #MQL5 #MT5 #AlgoTrading #Strategy https://t.co/GoHycAFQyk