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RSI Calculator
Live Relative Strength Index, computed from real daily closing prices for any ticker.
Computed from real daily closing prices over the last ~2 months. Data via Yahoo Finance.
This tool fetches real daily closing prices for the ticker you enter and computes a live 14-day RSI, rather than asking you to type in average gains and losses by hand.
RSI is a momentum oscillator, meaning it works best identifying overextended short-term moves rather than predicting long-term trend direction on its own.
FAQ
What does RSI measure?
RSI compares the magnitude of recent gains to recent losses over a set period (14 days here) to gauge whether a security is overbought or oversold.
What are the standard RSI thresholds?
Readings above 70 are commonly considered overbought and below 30 oversold, though these thresholds can be adjusted for different assets and volatility regimes.