What is the best bullish indicator?

Could you please elaborate on what you consider to be the most effective bullish indicator in the world of cryptocurrency and finance? Are you referring to a specific technical indicator, such as the Relative Strength Index or Moving Averages? Or perhaps you're highlighting a fundamental factor, like increasing adoption or a positive regulatory environment? It would be insightful to hear your thoughts on which indicator you believe offers the most reliable signal for predicting upward trends in the market.