# Hammer while oversold — NSE scan

> A long lower wick after a decline, with RSI still under 40.

Canonical: https://patternsradar.com/screener/hammer-oversold

```sift
where pattern is hammer and rsi(14) < 40
```

A hammer is a session where sellers pushed price well below the open and buyers took it all back before the close. That story only means something after a decline, which is what the RSI condition establishes.

Category: [Patterns](https://patternsradar.com/scans/candlestick-patterns.md). Default universe: top 500 NSE stocks by 20-day turnover.

Guides: [Candlestick patterns need context](https://patternsradar.com/blog/candlestick-pattern-screener-nse.md), [How to read a scan's hit rate](https://patternsradar.com/blog/how-to-read-scan-hit-rate.md).

The rendered page runs this scan against the latest session and can replay it across the last 250 sessions to measure its hit rate: https://patternsradar.com/screener/hammer-oversold.