USDTRY behaves like two different instruments depending on the hour. During London overlap, liquidity is sufficient for clean 20-30 pip move

USDTRY behaves like two different instruments depending on the hour. During London overlap, liquidity is sufficient for clean 20-30 pip moves on news-driven events. Once London closes and before New York opens, the pair often compresses into 10-pip ranges that collapse unpredictably when a central bank comment leaks.The practical takeaway is simple: do not treat every session as equal. Build a filter that checks the current hour against your backtest's edge. If your edge only appears between 09:00 and 13:00 GMT, do not force a trade at 21:00 just because a setup looks textbook.Practical exercise: Open the last 30 days...