TestSignal18 is a trading strategy designed for the US100 or NDXUSD indices on a 5-minute (M5) timeframe. It operates as a trend-following system, initiating trades aligned with the Chicago market opening time. The strategy targets profits between $200 and $300 per trade, with a loss limit set between $150 and $200. It is designed to perform well over trending market conditions, acknowledging potential losses during sideways movements but aiming for profitability as trends develop. A one-year real-time simulation on the CME exchange demonstrated an approximate 400% return, indicating strong performance potential if maintained over time.