The Most Important Indicator Is the One You Can Actually Use Well

You can fill your chart with VWAP, RSI, MACD, Bollinger Bands, delta, and several more indicators.

But more indicators don't automatically mean better decisions.

Too many signals can create conflicting opinions and make it harder to follow a consistent plan.

I would rather understand a small set of tools, test clear rules, and know exactly what each indicator contributes.

An indicator should answer a specific question.

If it doesn't improve your analysis or decision-making, ask whether you really need it on the chart.