# The scan library

> 115 prebuilt NSE scans, each on its own page with its query, an explanation and a 250-session backtest.

Canonical: https://patternsradar.com/scans

## Breakout stock scanners for NSE

https://patternsradar.com/scans/breakouts.md — Free breakout screeners for NSE stocks: 52-week highs, volume breakouts, Donchian and Bollinger channel breaks — each on its own page, each backtestable.

- [52-week high breakout](https://patternsradar.com/screener/52-week-high-breakout.md): Closing at a fresh 52-week high on above-average volume — the classic Darvas-style entry.
- [Within 3% of the 52-week high](https://patternsradar.com/screener/near-52-week-high.md): Coiling just under the highs. Often a better entry than the breakout candle itself.
- [Volume breakout](https://patternsradar.com/screener/volume-breakout.md): Twice normal volume with price up more than 3% — something changed today.
- [Volume shockers](https://patternsradar.com/screener/volume-shockers.md): Twice the ten-day average volume with a move of more than 5% — the day something happened.
- [20-day channel breakout](https://patternsradar.com/screener/donchian-breakout.md): Pushing through the top of the 20-day range with volume behind it.
- [Bollinger band breakout](https://patternsradar.com/screener/bollinger-breakout.md): Close pushing above the upper band, with volume confirming.
- [Keltner channel breakout](https://patternsradar.com/screener/keltner-breakout.md): Clearing the ATR-based upper channel — a steadier breakout signal than Bollinger's.
- [Crossing above pivot R1](https://patternsradar.com/screener/pivot-r1-break.md): Price clearing the first pivot resistance on strong volume — a classic floor-trader level.
- [Crossing above the Ichimoku base](https://patternsradar.com/screener/ichimoku-breakout.md): Price reclaiming the Kijun-sen while the medium-term trend still points up.
- [Previous day's high break](https://patternsradar.com/screener/previous-day-high-break.md): Closing above yesterday's high on half again the usual volume — the simplest breakout there is.
- [Six-month high](https://patternsradar.com/screener/six-month-high.md): The highest close in twenty-six weeks, with volume above the daily norm.
- [Aroon uptrend](https://patternsradar.com/screener/aroon-breakout.md): Aroon-up above 70 with Aroon-down below 30 — a new high made recently and no new low in sight.
- [OBV at a six-month high](https://patternsradar.com/screener/obv-new-high.md): Cumulative volume flow at a new high while the trend holds — accumulation leading price.

## Reversal stock scanners for NSE

https://patternsradar.com/scans/reversals.md — Oversold and overbought screeners for NSE stocks: RSI, stochastic, CCI, MACD crosses, golden cross — mean-reversion setups with the trend filters that make them work.

- [RSI oversold turning up](https://patternsradar.com/screener/rsi-oversold-turn.md): RSI crossing back above 30 in the last three sessions while the stock still holds its 200-day average — a pullback, not a collapse.
- [RSI overbought](https://patternsradar.com/screener/rsi-overbought.md): RSI above 70 while the stock is still trending — stretched, and worth knowing about either way.
- [Golden cross](https://patternsradar.com/screener/golden-cross.md): The 50-day average crossing up through the 200-day.
- [Death cross](https://patternsradar.com/screener/death-cross.md): The 50-day average crossing down through the 200-day.
- [MACD bullish crossover](https://patternsradar.com/screener/macd-bullish-cross.md): MACD crossing above its signal line from below zero.
- [MACD bearish crossover](https://patternsradar.com/screener/macd-bearish-cross.md): MACD crossing below its signal line from above zero — momentum rolling over.
- [Bounce off the 200-day](https://patternsradar.com/screener/bounce-off-200.md): Yesterday closed below the 200-day average, today closed back above it.
- [Supertrend flips bullish](https://patternsradar.com/screener/supertrend-flip.md): The ATR trailing stop turning up, with the trend strong enough to be worth trusting.
- [Parabolic SAR flips bullish](https://patternsradar.com/screener/psar-flip.md): Price crossing above the parabolic stop, in a market with a trend to catch.
- [Williams %R oversold](https://patternsradar.com/screener/williams-oversold.md): Williams %R below -80 while the 200-day still holds — Chartink's oversold staple.
- [Stochastic oversold crossover](https://patternsradar.com/screener/stoch-oversold-cross.md): %K crossing up through %D while both are still in oversold territory.
- [Money flow oversold](https://patternsradar.com/screener/mfi-oversold.md): Money Flow Index under 20 — RSI's volume-weighted cousin, at an extreme.
- [Heikin-Ashi turns green](https://patternsradar.com/screener/heikin-ashi-turn.md): The first green Heikin-Ashi candle after a red one, on rising volume.
- [RSI reclaiming 50](https://patternsradar.com/screener/rsi-50-reclaim.md): RSI crossing back above its midline in a stock that never lost its long-term trend.
- [CCI oversold turn](https://patternsradar.com/screener/cci-oversold-turn.md): CCI back above −100 within the last two sessions, in a stock still above its 200-day.
- [CCI overbought](https://patternsradar.com/screener/cci-overbought.md): CCI above +100 with RSI agreeing — stretched by two different measures at once.
- [Stochastic RSI oversold](https://patternsradar.com/screener/stoch-rsi-oversold.md): The fastest oversold oscillator there is, pinned below 20 in a long-term uptrend.
- [DI bullish cross](https://patternsradar.com/screener/di-bull-cross.md): +DI overtaking −DI while ADX confirms there is a trend worth joining.
- [DI bearish cross](https://patternsradar.com/screener/di-bear-cross.md): −DI taking control with directional movement building — the exit-or-avoid list.
- [Force index turning positive](https://patternsradar.com/screener/force-index-turn.md): Elder's force index crossing above zero — price change and volume agreeing the dip is done.
- [Bollinger lower band bounce](https://patternsradar.com/screener/bb-lower-bounce.md): Price closing back inside the bands after a two-standard-deviation flush.
- [Williams %R overbought](https://patternsradar.com/screener/williams-overbought.md): Closing in the top fifth of its two-week range with RSI above 70 — extended on both clocks.
- [Stochastic overbought cross](https://patternsradar.com/screener/stoch-overbought-cross.md): %K crossing down through %D above 75 — the classic overbought sell signal, as written.
- [9/21 EMA crossover](https://patternsradar.com/screener/ema-9-21-cross.md): The 9-day EMA crossing above the 21 in a stock still above its 200-day — the swing trader's golden cross.
- [Broke below the 200-day average](https://patternsradar.com/screener/broke-below-200-dma.md): Crossed under the 200-day moving average within the last three sessions — the line everyone watches, failing.

## Momentum stock scanners for NSE

https://patternsradar.com/scans/momentum.md — Momentum screeners for NSE stocks: relative strength leaders, stacked moving averages, ADX trends, OHL scans and pullback entries in confirmed uptrends.

- [Stacked moving averages](https://patternsradar.com/screener/stacked-averages.md): Price above the 20, which is above the 50, which is above the 200. A trend in good order.
- [One-year leaders](https://patternsradar.com/screener/one-year-leaders.md): Up more than 50% over a year and still within 10% of the high — momentum that has not rolled over.
- [Strong but not overbought](https://patternsradar.com/screener/strong-and-quiet.md): Three-month gains with RSI still under 65 — room to run without chasing.
- [Ten sessions above the 20-day](https://patternsradar.com/screener/persistent-trend.md): Price that has not closed below its 20-day average in two weeks. Persistence, not a single good day.
- [Volume building](https://patternsradar.com/screener/volume-building.md): Three consecutive sessions of rising volume while price advances.
- [Five days of higher closes](https://patternsradar.com/screener/five-day-uptrend.md): A close higher than the one before it, five sessions running, on normal-or-better volume.
- [Strong directional trend](https://patternsradar.com/screener/adx-strong-trend.md): ADX above 30 with buyers in control and the averages stacked — a trend worth trading.
- [Rate of change leaders](https://patternsradar.com/screener/roc-momentum.md): Ten percent rate of change with RSI still under 70 — acceleration, not exhaustion.
- [Open = Low (OHL buy)](https://patternsradar.com/screener/ohl-buy.md): Never traded below its open all session and closed up — buyers in control from the first print.
- [Open = High (OHL sell)](https://patternsradar.com/screener/ohl-sell.md): Never traded above its open and closed down — sellers ran the whole session.
- [Three-month leaders](https://patternsradar.com/screener/quarter-leaders.md): Up more than 30% in a quarter and still above the 50-day — the current cycle's leaders.
- [Pullback in an uptrend](https://patternsradar.com/screener/pullback-in-uptrend.md): RSI under 40 in a stock still above its 200-day — weakness for sale inside strength.
- [Above a rising 200-day average](https://patternsradar.com/screener/above-200-dma.md): The plain health check: price above the 200-day, and the 200-day itself climbing.
- [MACD zero-line cross](https://patternsradar.com/screener/macd-zero-cross.md): The MACD line itself crossing above zero — the 12-day average overtaking the 26-day.
- [Most active by turnover](https://patternsradar.com/screener/most-active.md): The fifty names where the most money changed hands today, over ₹50 crore each.

## Delivery percentage scanners for NSE

https://patternsradar.com/scans/delivery.md — Delivery-based screeners for NSE stocks: delivery surges, quiet accumulation, institutional-grade delivery days — the data most technical screeners leave out of scan logic.

- [Delivery surge](https://patternsradar.com/screener/delivery-surge.md): Over 65% of a heavy day's volume taken to demat. Buyers who intend to hold, not day traders — and a figure most screeners do not expose as a field at all.
- [Quiet accumulation](https://patternsradar.com/screener/quiet-accumulation.md): High delivery on ordinary volume while the stock grinds above its 50-day average — accumulation without a headline.
- [Sustained delivery](https://patternsradar.com/screener/sustained-delivery.md): Delivery above 55% for five sessions running — a steady hand rather than one unusual day.
- [Delivery-backed breakout](https://patternsradar.com/screener/delivery-with-breakout.md): A 20-day high where most of the volume was actually delivered — the breakout with real buyers behind it.
- [Distribution warning](https://patternsradar.com/screener/distribution-warning.md): Heavy volume, weak delivery, price down — the shape of a day traders' exit.
- [Churn without conviction](https://patternsradar.com/screener/low-delivery-spike.md): Two and a half times normal volume with under 30% delivered — a lot of noise, no ownership.
- [Money flow accumulation](https://patternsradar.com/screener/cmf-accumulation.md): Chaikin Money Flow positive, price above the 50-day, and delivery confirming it.
- [Institutional-grade delivery](https://patternsradar.com/screener/institutional-grade-delivery.md): Over 70% of a ₹50-crore day taken home — size and conviction in the same session.
- [Delivery percentage rising](https://patternsradar.com/screener/delivery-rising.md): Three straight sessions of climbing delivery in a stock holding its 20-day average.
- [OBV rising streak](https://patternsradar.com/screener/obv-uptrend.md): Five straight sessions of net volume inflow — the tape voting yes all week.

## Volatility stock scanners for NSE

https://patternsradar.com/scans/volatility.md — Volatility screeners for NSE stocks: Bollinger squeezes, NR7 setups, range expansions, gaps and 52-week extremes — the compression-then-release cycle, scanned.

- [Bollinger squeeze](https://patternsradar.com/screener/squeeze.md): Bands within 8% of the middle — compressed ranges that usually resolve with a move.
- [Wide-range movers](https://patternsradar.com/screener/high-atr-movers.md): Today's range wider than 1.5 ATR, on real turnover.
- [Gap up and hold](https://patternsradar.com/screener/gap-up-hold.md): Opened above yesterday's high and closed above the open.
- [Gap down and fail](https://patternsradar.com/screener/gap-down-break.md): Opened below yesterday's low and closed below the open — a gap with follow-through.
- [Up 15% in a month](https://patternsradar.com/screener/big-move-up.md): A decisive one-month advance, still trading above its 50-day.
- [Fresh 52-week low](https://patternsradar.com/screener/fresh-52-week-low.md): The lowest close in a year — the other side of the breakout scan.
- [Within 5% of the 52-week low](https://patternsradar.com/screener/near-52-week-low.md): Sitting near the yearly low on rising volume — basing, or still falling.
- [Narrow range day](https://patternsradar.com/screener/narrow-range-day.md): A day's range under half the stock's own ATR — the coil before the spring.
- [NR7 — narrowest range in seven](https://patternsradar.com/screener/nr7.md): Today's high-low span is the tightest of the last seven sessions.
- [Range expansion up](https://patternsradar.com/screener/range-expansion-up.md): A day twice the stock's normal size, resolved in the buyers' favour.
- [Down 15% in a month](https://patternsradar.com/screener/big-move-down.md): Fallen hard over 21 sessions — the damaged list, for bargain hunters and short sellers alike.
- [Gap down bought back](https://patternsradar.com/screener/gap-down-recovery.md): Opened more than 2% in the hole and closed green from the open — the morning panic that found buyers.
- [Volatility contraction near highs](https://patternsradar.com/screener/volatility-contraction.md): Coiled within 5% of the 52-week high with Bollinger width under 0.08 — the VCP shape, as a scan.
- [Volume dry-up near highs](https://patternsradar.com/screener/volume-dry-up.md): Holding within 5% of the 52-week high on barely half its normal volume — supply running out.

## Candlestick pattern scanners for NSE

https://patternsradar.com/scans/candlestick-patterns.md — Candlestick pattern screeners for NSE stocks: engulfing, hammer, harami, morning and evening stars, three soldiers and crows — each pattern filtered by the context that makes it mean something.

- [Bullish engulfing at support](https://patternsradar.com/screener/bullish-engulfing-support.md): An engulfing candle forming while the stock sits on its 50-day average.
- [Bearish engulfing near the highs](https://patternsradar.com/screener/bearish-engulfing-resistance.md): A bearish engulfing candle within 3% of the 52-week high — a rejection where it counts.
- [Hammer while oversold](https://patternsradar.com/screener/hammer-oversold.md): A long lower wick after a decline, with RSI still under 40.
- [Shooting star after a run](https://patternsradar.com/screener/shooting-star-top.md): A long upper wick with RSI above 60 — buyers tried and could not hold it.
- [Morning star](https://patternsradar.com/screener/morning-star.md): The three-bar reversal: down bar, pause, then a strong recovery.
- [Three white soldiers](https://patternsradar.com/screener/three-white-soldiers.md): Three strong up-closes in a row above the 50-day — sustained buying, not a spike.
- [Doji on heavy volume](https://patternsradar.com/screener/doji-indecision.md): An indecision candle on above-average volume while the trend still holds.
- [Inside bar in an uptrend](https://patternsradar.com/screener/inside-bar-squeeze.md): A contracted range inside yesterday's, while the larger trend still points up.
- [Bullish harami](https://patternsradar.com/screener/bullish-harami.md): A small up-day held inside the previous big down-day, with RSI already washed out.
- [Bearish harami](https://patternsradar.com/screener/bearish-harami.md): A hesitation candle inside a big up-day, high enough on the chart to matter.
- [Evening star](https://patternsradar.com/screener/evening-star.md): The three-candle top: a strong up-day, a stall, and a decisive down-day.
- [Three black crows](https://patternsradar.com/screener/three-black-crows.md): Three consecutive long down-days, each closing near its low — persistent, orderly selling.
- [Bullish outside bar](https://patternsradar.com/screener/bullish-outside-bar.md): A range that swallowed yesterday's entirely and resolved upward.
- [Marubozu on volume](https://patternsradar.com/screener/marubozu-conviction.md): A bar with almost no wicks on above-average volume — one side held the session from open to close.

## F&O derivatives scanners for NSE

https://patternsradar.com/scans/derivatives.md — Open interest screeners for NSE F&O stocks: long and short buildups, futures premium and discount, put-call ratio extremes — positioning data the cash tape cannot show.

- [Long buildup](https://patternsradar.com/screener/long-buildup.md): Price and futures open interest rising together — fresh long positions being built, not shorts giving up.
- [Short buildup](https://patternsradar.com/screener/short-buildup.md): Open interest rising into a falling price — fresh shorts being written with conviction.
- [Short covering rally](https://patternsradar.com/screener/short-covering.md): Price up while open interest drains — shorts buying back, not buyers arriving.
- [Long unwinding](https://patternsradar.com/screener/long-unwinding.md): Longs closing out into a drifting price — a trend quietly losing its sponsors.
- [Open interest at a 3-month high](https://patternsradar.com/screener/open-interest-high.md): More futures contracts open than on any day in three months — maximum positioning, whichever side it favours.
- [Futures at a premium](https://patternsradar.com/screener/futures-premium.md): The front-month future paying more than half a percent over cash, in an uptrend — leverage leaning long.
- [Futures at a discount](https://patternsradar.com/screener/futures-discount.md): The front-month future trading below the cash price — hedging pressure, or supply the market expects.
- [Put writers underneath](https://patternsradar.com/screener/put-support.md): Heavy put open interest under an uptrend — option sellers paid to defend the levels below.
- [Call-heavy positioning](https://patternsradar.com/screener/call-heavy.md): Call open interest dwarfing puts — optimism crowded enough to be worth distrusting.
- [Futures volume surge](https://patternsradar.com/screener/futures-volume-surge.md): Futures trading at 1.5× their own 20-day average — the leveraged desk suddenly interested.
- [Put-heavy options flow](https://patternsradar.com/screener/put-heavy-flow.md): Put volume above 0.7× call volume on the session — hedging or fear running through today's options tape.

## Fundamental stock scanners for NSE

https://patternsradar.com/scans/fundamentals.md — Fundamental screeners for NSE stocks: promoter buying and selling, shareholding patterns, market-cap filters and sector scans — point-in-time data with no restatement leakage.

- [Promoters buying](https://patternsradar.com/screener/promoter-buying.md): Promoter stake up over half a percentage point last quarter, in a stock holding its long-term trend.
- [Promoters selling](https://patternsradar.com/screener/promoter-selling.md): Promoter stake cut by more than a percentage point in a quarter — the insiders reducing.
- [High promoter holding in an uptrend](https://patternsradar.com/screener/high-promoter-holding.md): Promoters holding over 70% and the price above its 200-day average — tight float, aligned owners.
- [Institutions on both sides](https://patternsradar.com/screener/institutional-ownership.md): FII and DII each holding over 15% — the rare stocks both kinds of institutional money agree on.
- [Tight public float](https://patternsradar.com/screener/tight-float.md): Public shareholders holding under a quarter of the company — scarcity as a price amplifier.
- [Pledged promoter stakes](https://patternsradar.com/screener/pledged-promoters.md): More than a fifth of the promoter holding pledged as loan collateral — the risk screen, not a buy list.
- [Large-cap pullback](https://patternsradar.com/screener/mega-cap-dip.md): Stocks above ₹20,000 crore market cap washed out below RSI 40 — size as the quality filter.
- [Low PE in an uptrend](https://patternsradar.com/screener/low-pe-uptrend.md): Stocks under fifteen times trailing earnings, holding above the 200-day — cheap, and no longer ignored.
- [Earnings growth with revenue behind it](https://patternsradar.com/screener/earnings-growth.md): Latest quarter profit up 25% on the year with revenue up 15% — growth the top line can explain.
- [Quality compounders](https://patternsradar.com/screener/quality-compounders.md): Profit compounding above 15% a year for five years, still under 30× earnings, with the interest bill flat — growth that was not bought with debt.
- [IT stocks in an uptrend](https://patternsradar.com/screener/it-stocks-uptrend.md): The Information Technology sector filtered to names above the 200-day with momentum intact.
- [Banks near 52-week highs](https://patternsradar.com/screener/banks-near-highs.md): Banking stocks within 3% of their 52-week high — the market's most-watched industry at its strongest.
- [Commodity stocks above the 200-day](https://patternsradar.com/screener/commodity-uptrends.md): The commodities macro-sector filtered to long-term uptrends — a cycle scan in one line.