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What is the RSI Scanner?
The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements on a scale of 0 to 100.
RSI > 70 — Overbought: Stock may be overvalued, a pullback is possible.
RSI < 30 — Oversold: Stock may be undervalued, a bounce is possible.
RSI 30–70 — Normal: Stock is in a neutral momentum zone.
How to Use RSI Scans
Select a market category from the filter bar. Click a zone card to filter by Overbought, Oversold, or Normal stocks. Stocks are sorted by RSI value (highest first).
How Does RSI Work?
RSI works as a momentum indicator by comparing a security's strength on up days to its strength on down days. The formula uses a two-step calculation:
RSI = 100 – (100 / (1 + Avg Gain / Avg Loss))
The standard look-back period is 14 days. Periods with price losses are counted as zero when calculating average gains, and vice versa. The result is a value between 0 and 100.
Why RSI Strategy is Important
RSI helps predict the likely price direction of a security.
It clearly flags overbought and oversold conditions.
Short-term traders use it to generate buy or sell signals.
It assists in assessing trends and potential trend reversals.
Combining RSI with other indicators such as MACD or Supertrend improves signal reliability.
RSI Scan Types in This Tool
RSI Trending Up: Stocks whose RSI has been rising for the past three consecutive days and is above 50.
RSI Trending Down: Stocks whose RSI has been falling for the past three consecutive days and is below 50.
Overbought (RSI > 70): Stock may be overvalued — a pullback or consolidation is possible.
Oversold (RSI < 30): Stock may be undervalued — a bounce or reversal is possible.
Bullish Divergence: Price makes a new low but RSI makes a higher low — potential reversal signal.
Bearish Divergence: Price makes a new high but RSI makes a lower high — potential reversal signal.
FAQs on RSI Screener
What is the best RSI setting for day trading? Most day traders use the default RSI period of 14. Short-term intraday traders often use 9–11 periods. Longer-term traders use 20–30 periods. The right setting depends on your strategy and timeframe.
What is a good RSI score? For trend following, an RSI above 50 is considered bullish and below 50 is bearish. For mean reversion, RSI below 30 is an oversold buy signal and RSI above 70 is an overbought sell signal.
What is a relative strength comparison screener? An RS comparison screener ranks stocks based on their performance relative to peers. For example, a stock with RS of 90 has outperformed 90% of all stocks over a specified period.