Data: $AGT |4-hour RSI(14) 75.1|Overbought
What it means: The RSI for the same coin can vary considerably across timeframes: when it is high on the 4-hour chart, it may still be in neutral territory on the daily chart.
How to interpret it: In a one-way rally, the RSI can stay above 70 for quite a while; during a sustained decline, it can likewise remain below 30 for a long time. Overbought or oversold conditions do not mean a reversal is imminent.
Sizing your order based on the stop-loss distance is far more reliable than choosing a position size by feel.