RSI, or Relative Strength Index, is a momentum oscillator used in technical analysis to measure the speed and change of price movements. It ranges from 0 to 100 and is typically used to identify overbought or oversold conditions in a stock or other asset.
Key Points:
1. Calculation: RSI is calculated using the average gains and average losses over a specified period, commonly 14 days. The formula is:
\[RSI = 100 - \left( \frac{100}{1 + RS} \right) \]
where \( RS \) (Relative Strength) is the average gain of up periods divided by the average loss of down periods.
2. Interpretation:
- Overbought: An RSI above 60 may indicate that an asset is overbought and could be due for a price correction.
- Oversold: An RSI below 40 suggests that an asset might be oversold and could be due for a price increase.
3. Divergence: Traders also look for divergence between RSI and price movements. For example, if prices reach new highs but RSI does not, it may signal a potential reversal.
4. Usage: RSI is often used in conjunction with other indicators to confirm trends and signals.
RSI can be a valuable tool for traders to assess market conditions and make informed decisions, but it should be used as part of a broader trading strategy.
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