I just sat down again and realized that RSI is one of the most powerful indicators that many traders overlook in proper usage. What exactly is the RSI indicator? It is an oscillator that measures the speed of price changes over time, created by Welles Wilder in 1978. But the real secret isn't in the indicator itself, but in how we use it.

I see most new traders entering the market when RSI exceeds 70 (overbought zone) or drops below 30 (oversold zone), rushing to press the sell or buy button. That is a huge mistake! Prices can continue to trend, causing RSI to rise to 90 or fall to 10. If you place orders at that moment, your stop loss will have to be very wide, and the risk/reward ratio will be poor.

So what should you do? What is RSI if we don’t combine it with other tools? That’s the key. Professional traders never rely on RSI alone. They wait for confirmation from Japanese candlesticks, support/resistance levels, or other patterns. For example, when RSI enters the overbought zone and a Bearish Engulfing candle appears, that’s a quality sell signal. At that point, you can set a tight stop loss, with a good risk/reward ratio.

One detail I used to overlook is the middle line at 50. It’s very useful for identifying momentum direction. When RSI is above 50, momentum is increasing — look for buying opportunities. When it’s below 50, momentum is decreasing — look for selling opportunities. Simple but effective.

Regarding divergence, it is one of the strongest signals when RSI is used correctly. When the price forms a lower low but RSI forms a higher low — that’s a bullish divergence, a strong signal. But don’t rush. Wait for confirmation from candlestick patterns or breakouts.

The default setting is 14 periods, but it’s not always the best. Short-term traders often use 9 to be more sensitive to volatility. Long-term traders use 25 to filter out noise. Try different settings to see which suits your trading style.

The most important thing I’ve learned is that RSI is just a supporting tool. It’s not everything. Combine it with support/resistance, trendlines, candlestick patterns, Fibonacci levels. When multiple factors confirm, your chances of success increase significantly. That’s how professional traders operate, and it’s truly effective.