Relative Strength Formula:
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Relative Strength (RS) measures a stock's performance relative to a benchmark index. It indicates whether a stock is outperforming or underperforming the market.
The calculator uses the Relative Strength formula:
Where:
Interpretation:
Details: Relative Strength is a key metric for investors to identify strong performers in the market. It helps in comparing stocks within the same sector or against broader market indices.
Tips: Enter both stock return and index return as percentages. The index return cannot be zero (division by zero is undefined).
Q1: What time period should I use for returns?
A: Common periods are 3 months, 6 months, or 1 year. Use the same period for both stock and index returns.
Q2: Which index should I compare against?
A: Use a relevant benchmark - S&P 500 for large US stocks, NASDAQ for tech stocks, or sector-specific indices.
Q3: How is this different from RSI?
A: Relative Strength (RS) compares stock to index, while Relative Strength Index (RSI) is a momentum indicator based on price changes.
Q4: What's a good RS value?
A: Typically values above 1.2 are considered strong, though this varies by market conditions and sector.
Q5: Can RS be negative?
A: Yes, if either the stock or index return is negative. Interpretation depends on whether both are negative or one is negative.