Market View on EURCHF

What kind of system can accurately locate support resistance and trend when doing transactions?

Is the daily chart too big for trading? What is the best cycle time?

My usual trading system continues to fail, what should I do?

If a trading system built by myself often fails and causes losses, should I abandon this system and replace it with another one? Is there a stable and profitable trading system?

What should I do if my trading system encounters a retracement?

Why do we still fail to trade after learning so many trading indicators?