I've seen the question many times in chats: what timeframe should I use for RSI? And honestly, there’s no universal answer. It all depends on how you trade.

If you’re a day trader or scalper, then on 15-minute charts, the RSI indicator will show you short-term fluctuations and give you the opportunity to catch quick moves. However, on such compressed timeframes, there will be a lot of noise and false signals, so practice and additional filters are needed. Five-minute or even one-minute charts are even more sensitive, but it becomes very difficult to interpret.

For swing trading, I prefer hourly or four-hour charts. The picture is smoother there, short-term trends and pullbacks are visible, and you hold positions for several days. The daily chart is also good for this style. RSI on the daily timeframe helps find reversal points, and trades can last for weeks.

If you’re an investor looking at the long term, then weekly and monthly charts are your choice. There, the RSI indicator works more reliably, signals are rarer but more significant. On higher timeframes, market noise is filtered out, and you can identify major overbought and oversold zones.

Key point: the lower the timeframe, the more false signals. On higher timeframes, everything is calmer and clearer. That’s why a common approach is: look at the daily chart for the overall picture, then switch to the 15-minute chart to find the exact entry point in the direction of the trend. This is called multi-timeframe analysis, and it really works.

Start with the timeframes that match your trading style and experiment. Each asset and trader requires their own settings. Over time, you’ll find the optimal parameters specifically for you.