Daily and weekly bars only: this screener's free-tier data source doesn't carry intraday bars across the full tracked universe, so there's no 4-hour timeframe. Pivots computed over the past 180 trading days; ATR channels use a 14-period Average True Range.
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Real OHLCV, No Invented Composite Score
Mean Reversion Screener.
Find stocks under real, measurable selling pressure: oversold by RSI, stretched below their 20-day average, pinned to the lower Bollinger Band, dumped on heavy volume, or sitting at a 52-week low. Then size a trade with a real stop and real targets, and check this ticker's own 3-year rebound history. Daily and weekly timeframes only: this site's free-tier data has no intraday bars across the full tracked universe.
Heads-up: a screen finds stocks under selling pressure, not stocks that will bounce. Every signal is tested live and the score is published, good or bad, in the forward test below.
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Quick answer
On Oct 22, 2026, 55 of the 507 stocks this site tracks met at least one of five oversold conditions (RSI below 30, 15% or more below the 20-day average, a close under the lower Bollinger Band, a heavy-volume down day, or a price near the 52-week low). The most oversold is Flex (FLEX): RSI(14) of 22.4, 27.9% below its 20-day average, with 3 signals.
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Sector breadth: % of tracked names trading below their own 20-day SMA
Oversold Watchlist
Loading…Any stock showing at least one real oversold signal today.
Customize ranking: Composite Rebound Score
Weight these 4 signals yourself; the watchlist re-sorts by your own 0–100 Rebound Rank instead of raw signal count. Your weights are saved in this browser only.
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Select a ticker from the watchlist to load its chart.
Historical Rebound Edge
Select a ticker to see its own rebound history.
Falling Knife Check
Select a ticker to see its fundamental health check.
Swing Position & Risk
Select a ticker to size a trade.
Every signal, side by side
All oversold signals at a glance.
Click a column to sort. Click a row to load that stock's chart, rebound history and risk check above. Follows the filters in the watchlist.
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Real Forward Tracking, Not Backtested
Forward Simulator & Performance Log.
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Open (still tracking)
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What is mean reversion, and how is it different from a breakout strategy?
Mean reversion is the idea that a price stretched far from its own average tends to snap back toward it: the opposite bet from a breakout strategy, which assumes a price breaking out of a range will keep moving in that direction. This screener flags real signs of that stretch: RSI oversold, a close more than 2 standard deviations below its 20-day average (the lower Bollinger Band), heavy down-volume, or a fresh 52-week low, then sizes a bounce trade against each ticker's own real rebound history, not a backtested promise.
How the screener and the stats behind it actually work
Every number on this page comes from real daily open/high/low/close/volume history (Twelve Data), computed with standard, textbook formulas, nothing weighted, smoothed for effect, or backtested-then-cherry-picked:
- RSI14 / RSI2: Wilder's smoothing, the same formula used everywhere else on this site.
- % from 20-day SMA: how far the latest close sits below its own trailing 20-day simple moving average.
- Bollinger %B: where the close sits inside a 20-period, 2-standard-deviation Bollinger Band; below 0 means a close under the lower band.
- Volume ratio: today's volume vs. its own trailing 30-day average, only meaningful on a down day.
- 52-week-low distance: % above the trailing 52-week true intraday low. This uses the actual daily low, which is more precise than, and can differ slightly from, the closing-price-based "Closest to the Floor" tool on the screener, which predates OHLCV data.
Signal count is a plain tally of how many of the 5 conditions above are true right now for a given stock, not a weighted or synthesized score, the same "Passes Everything" philosophy used elsewhere on this site.
The historical rebound stats (Module 4) look back over the selected ticker's own trailing ~3 years: every day its RSI14 first dropped below 30, then check whether it closed up 5%+ at any point in the next 10 trading days, and how many trading days it took to first close back at/above its 20-day SMA. Small sample sizes are shown plainly: a "100% win rate" from 2 signals means 2 signals, not an edge.
Falling Knife Check flags real fundamental distress (debt/equity, current ratio, net margin, interest coverage, revenue growth, drawdown from 52-week high, insider selling) so a technically oversold stock doesn't get mistaken for a healthy dip when it's actually structurally broken: a real tally of up to 7 conditions, shown only when the underlying number exists for that ticker.
Market regime and sector breadth classify SPY's own trend (uptrend / downtrend / range-bound) and show, for every tracked sector, what share of names are trading below their own 20-day SMA right now, so you can see whether a stock's drop is company-specific or part of a broader move. For the macro and credit-stress picture behind a downtrend regime, see the Crash Indicator.
The Composite Rebound Score lets you weight the 4 core signals yourself: it's your own 0–100 ranking, not a fixed formula we chose for you. Select a ticker and the Historical Rebound Edge module replays your CURRENT weights against that ticker's own real trailing 3 years, so the score is tested against history, not just trusted on faith.
The Forward Simulator & Performance Log is a real, accumulating record: every ticker that shows a signal gets logged the day it happens, and only resolves once 10 real trading days have actually passed. Nothing here is backtested or simulated after the fact.
Each ticker's historical rebound stats are also split by market regime: every past RSI signal is bucketed by what SPY's own trend actually was on that exact signal date, so you can see whether this ticker's dip-buy edge really did hold up better in uptrends than downtrends, not assumed, checked.
Falling Knife leverage, liquidity, and interest-coverage flags are sector-relative: a stock only flags when it crosses a real absolute threshold AND is a meaningful outlier vs. its own sector's median (computed across the full tracked universe): a REIT or utility carrying sector-normal leverage no longer gets flagged just for existing in a capital-intensive sector.
Trading liquidity is each stock's real 30-session average dollar volume (close × volume); a "thin" badge appears under $5M/day average, a rough cutoff, not a precise line. The risk calculator (Module 3) also checks your sized position against this number directly, since a volume-ratio spike on a low-float name doesn't mean you can actually exit a meaningful position without moving the price yourself.
Relative strength vs. sector compares a stock's own distance below its 20-day average to its sector's average distance right now (both real numbers already computed for the sector breadth strip): positive means it's fallen less than its peers (potentially the stronger name in a weak group), negative means it's fallen more (potentially the group's weak link). Shown once you select a ticker, not baked into signal count or the Composite Score.
Quick Answers
Mean reversion, answered plainly.
No, they're opposite bets. Mean reversion assumes a price stretched far from its own average tends to snap back toward it; a breakout strategy assumes a price breaking out of a range keeps moving in that direction. This screener is built entirely for the reversion side: RSI, Bollinger Band position, 20-day SMA distance, volume, and 52-week-low proximity.
It's how the Bollinger Band signal is measured: the band sits 2 standard deviations above and below a stock's 20-day average, a statistical measure of how far its price normally swings. A close below the lower band (Bollinger %B under 0) is a real, unusually large downside move, not this site's own opinion.
No. Oversold can stay oversold, or keep falling, for a long time; it's a measurable fact about recent price action, not a prediction. The Falling Knife Check flags real fundamental distress (leverage, margins, revenue trend) so a technically oversold stock isn't mistaken for a healthy dip.
About 3 years per ticker, using its own real RSI14 signal history, not a backtest across the whole market. Small sample sizes are shown plainly: a "100% win rate" from 2 past signals means 2 signals, not an edge.
This site's free-tier data source doesn't carry intraday bars across the full ~500-stock tracked universe, so only daily and weekly timeframes are shown, on purpose, not an oversight.
Educational content only, not investment advice. Oversold doesn't mean "about to bounce": a stock can stay oversold, or keep falling, for a long time, and a stretch of history bouncing before doesn't guarantee it bounces again. Every stat here describes what this ticker's own price history actually did; it does not predict what it will do next. Position sizing shown here is a mechanical calculation from the numbers you enter, not a recommendation to take the trade. Always do your own research and consult a licensed financial advisor before making investment decisions. See Editorial Standards and Disclosures for more.
Which stocks are the most oversold today?
On Oct 22, 2026, 55 of the 507 stocks this site tracks met at least one of five oversold conditions (RSI below 30, 15% or more below the 20-day average, a close under the lower Bollinger Band, a heavy-volume down day, or a price near the 52-week low). The most oversold is Flex (FLEX): RSI(14) of 22.4, 27.9% below its 20-day average, with 3 signals. The market itself reads "Range-bound / Mixed" (S&P 500 ETF RSI(14) 44.9).
| Stock | Price | RSI (14-day) | From 20-day average | Bollinger %B | Signals |
|---|---|---|---|---|---|
| FLEXFlex Ltd | $76.77 | 22.4 | -27.9% | -0.06 | 3 |
| KLACKLA Corp | $148.59 | 24.4 | -19.7% | -0.07 | 3 |
| LRCXLam Research Corp | $230.77 | 24.7 | -24.1% | -0.07 | 3 |
| FIXComfort Systems USA Inc | $1270.01 | 24.9 | -20.6% | -0.09 | 3 |
| CMGChipotle Mexican Grill Inc | $27.92 | 26.1 | -9.3% | -0.07 | 3 |
| PWRQuanta Services Inc | $548.49 | 28.6 | -16.3% | -0.15 | 3 |
| MOSMosaic Co | $17.19 | 19.8 | -13.6% | 0.10 | 2 |
| HWMHowmet Aerospace Inc | $194.35 | 22.5 | -12.4% | -0.26 | 2 |
| AMATApplied Materials Inc | $379.24 | 25.9 | -20.4% | 0.02 | 2 |
| EMEEMCOR Group Inc | $655.00 | 27.1 | -13.2% | -0.15 | 2 |
Oversold stocks can stay oversold: treat this as a screen, not a signal. The tool above adds the chart, the swing position and risk calculator and 3-year rebound statistics. RSI and Bollinger Bands are explained in the glossary.
Daily closes from Twelve Data; every figure is computed from them. Educational content only, not investment advice.
How does standard deviation define an oversold stock?
Mean reversion measures how far a price has stretched from its average, and standard deviation is the yardstick. Bollinger Bands draw a line two standard deviations above and below the 20-day average: about 95% of closes normally fall inside them if prices were bell-shaped. A close under the lower band, shown as a Bollinger %B below 0, means the stock is more than two standard deviations under its recent average, which is unusual and is one of the five oversold conditions this page counts. A stretched price can keep stretching, so it is a screen, not a signal. See Bollinger Bands and mean reversion in the glossary.
About this mean reversion stock screener
A mean reversion screener looks for stocks that have fallen far below their usual range and may be oversold. This one checks RSI, Bollinger Bands, volume and distance from the 52-week low every day, and adds a multi-timeframe chart, a swing trade position and risk calculator, and 3-year rebound statistics from real price history. Oversold stocks can stay oversold, so treat it as a screen, not a signal. Before acting on a hit, read the company's own page in the A to Z directory; RSI and Bollinger Bands are explained in the glossary, and the Portfolio Doctor shows how a position fits the rest of your holdings. Every threshold is listed on how the screener works. Read what an RSI below 30 means.