Strategy Works Here but Orders Fail There—Which Exchange Actually Fits? A working strategy may still fail after moving venues. Check order limits, real costs, test paths, and recovery before choosing by reputation.
OKX Demo Worked—So Why Do Live Orders Still Fail? A green demo run is not a live-trading pass. Check account mode, permissions, order rules, and state handling before risking capital.
Only One Parameter Set Made Money. Can You Trust the Backtest? A tiny setting change wipes out the profit. Check nearby settings and fresh data before trusting the best-looking backtest.