Stock Scanners
Every strategy scanner from our editorial team: proven methods from Weinstein to O'Neil, recalculated daily across our stock universe.
Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
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Takes you straight to the stock page — where you'll also see which scanners the stock currently passes.
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Terms Explained: the Scanner Glossary
Every technical term our scanners use — explained briefly and clearly.- 52-Week High / Low
- The highest or lowest price of the last 52 weeks (one trading year). "Within 10% of the 52-week high" means: the stock is trading near its yearly high - a sign of strength, since weakness looks different.
- Absolute Strength (AS)
- The strength rating from Qullamaggie's original tool: a percentile from 1 to 99 for price gains over a period (1, 3, or 6 months). On our site it corresponds to the RS Rating over the same period.
- Accumulation
- The patient buildup of a position by large players, visible through above-average volume on up days. The opposite - distribution - is large holders unloading shares into rising prices.
- ADR (Average Daily Range)
- The average daily swing of a stock in percent - measured over 10 or 30 trading days (columns "ADR 10D/30D"). An ADR of 5% means: on a normal day the gap between the intraday low and high runs about 5%. Traders look for movement - that is why stocks with an ADR under 1% are filtered out globally. Not to be confused with ADR meaning "American Depositary Receipt" (a US certificate for foreign shares) - here ADR always means the daily swing.
- AI Classification
- Our company-by-company assessment of the AI boom based on SEC filings (the last four quarterly 10-Q reports and two annual 10-K reports): "Sells AI" (AI is a revenue source), "Threatened" (AI is a concrete business risk), "Uses AI" (operational use), or "Neutral" (no material AI exposure). Every classification requires at least two direct quote citations - otherwise the column shows "-". Not a quality judgment or a buy recommendation; the full file is on the stock page, methodology at /stocks/ai-rating-methodology.
- All-Time High (ATH)
- The highest price in the stock's entire available history. Above the all-time high there is no old resistance left: nobody is sitting on losses waiting to "get out even" - every holder is in profit. That is why breakouts to all-time highs are considered especially clean.
- Altman Z-Score
- A bankruptcy early-warning system developed by Edward Altman: several balance-sheet ratios are combined into one score. Values above 3 are considered a safe zone, values below about 1.1 a distress zone with elevated bankruptcy risk.
- Analysis (Full Company Analysis)
- If the Analysis column shows "Read," there is an in-depth Minnow Street company analysis for this stock: business model, scanner findings, quarterly results, evidence from SEC filings, plus opportunities and risks. One click opens it directly.
- ATR (Average True Range)
- The average daily range in dollars (instead of percent like the ADR), including gaps. Often used as a yardstick: "3 ATR above the 21-EMA" means the price has run three normal daily moves above its trend line - significantly extended.
- Avg/Yr 3Y (Average Annual Return)
- The stock's average annual return over the past 3 years. Shows at a glance whether a stock delivers over the long run or just had a short hot streak.
- Base / Consolidation
- A pause in the chart: after a rally, the stock trades sideways for weeks in a range, ideally with higher lows and shrinking volume. The most durable breakouts come out of such bases - the quieter the base, the better.
- Beta
- Measures how much a stock swings relative to the overall market: a beta of 2 means it moves on average twice as much as the market - in both directions.
- Breakout
- The price clears a level where it previously failed multiple times (top of a base, an old high) - ideally on clearly elevated volume. For many momentum strategies, the breakout is the actual buy signal.
- CANSLIM
- William O'Neil's strategy framework, whose seven letters each mark a criterion - among them current earnings growth, new products/highs, institutional sponsorship, and market direction. Core idea: buy the market leaders, not the laggards.
- Debt/Equity Ratio
- Debt divided by (tangible) equity. A value of 0.5 means: for every dollar of equity there are 50 cents of debt. The lower, the more cushion a company has in bad times - value and quality investors like values under 1.
- Dividend Aristocrats
- S&P 500 companies that have raised their dividend every year for at least 25 years - through every crisis along the way. The title is no guarantee for the future, but it is hard evidence of an extremely stable business model in the past.
- Dollar Volume
- Shares traded x price = how much money flows through the stock per day. An average dollar volume of $2 million or more makes sure you can also get back out without moving the price yourself - the single most important liquidity filter.
- Earnings Date
- The date of the next quarterly earnings report. Price gaps in either direction are common around this date - that is why we color it red when it is 7 days away or less, and yellow when it is 14 days away or less: elevated risk for fresh positions.
- EBIT Margin
- Operating profit before interest and taxes (EBIT) as a percent of revenue - measures the earning power of the core business alone, independent of financing and tax rates.
- EMA (Exponential Moving Average)
- Like the simple moving average, but more recent prices carry more weight - the line follows price faster. The 21-day EMA is the standard short-term trend line for momentum traders.
- EPS (Earnings per Share)
- Quarterly earnings divided by the number of shares outstanding. The most important growth metric: if EPS rises strongly over several quarters, the company is earning more money per share.
- EV/EBIT (Enterprise Value ÷ Operating Profit)
- Enterprise value (market cap plus debt) divided by operating profit before interest and taxes. The acquirer's perspective: what does the entire business cost - including the debt a buyer would assume - relative to what it earns operationally?
- Free Cash Flow (FCF)
- Operating cash flow minus capital expenditures - the money left over for everything else (debt paydown, acquisitions, or buybacks). Consistently positive free cash flow is one of the most honest signs of a healthy business model.
- Funda Rating (Fundamental Rating A+ to F)
- Our proprietary fundamental rating from -100 to +100 with a school-grade rank from A+ to F. Every stock is scored against all others by percentile: growth in earnings and revenue, earnings surprises, analyst estimates, and quality criteria such as margins, cash flow, and balance-sheet strength. A/A+ are the fundamentally strongest stocks in the universe.
- Gap
- The stock opens well above or below the prior close - a gap appears on the chart. Gaps are caused by overnight news (earnings, contracts, studies) and show that the valuation has shifted abruptly.
- Going Concern
- The assumption in a company's annual report that it can continue operating. If auditors raise "substantial doubt" about this, it is one of the sharpest warnings there is - the company could run out of cash.
- Graham Number (P/E x P/B ≤ 22.5)
- Benjamin Graham's double cap against overpaying: the product of the P/E ratio and the P/B ratio must not exceed 22.5 (e.g., P/E 15 x P/B 1.5). A stock can be a bit pricier on one metric if the other offsets it - but never both at once.
- Hot Theme
- A part of the market that is running hot right now: the stock's industry is among the top 5 by 1-month relative strength - fresh money is rotating in. Hot themes are recalculated with every run, so new trends (e.g., an AI or uranium hype) surface early, while they are still running.
- Insider Buying / Selling
- Purchases and sales of a company's own stock by executives and officers - subject to SEC disclosure in the US. Insiders sell for many reasons (a house, taxes), but they buy for essentially one reason: they think the stock is too cheap.
- Institutions (Funds & Large Holders)
- Funds, pension plans, and asset managers - they move the big money and must disclose their US holdings quarterly. When the number of funds adding to a position rises, that is called institutional accumulation: the fuel behind major trends.
- Interest Coverage
- Operating income divided by interest expense: how many times over can the company pay its interest from ongoing operations? Below 1, earnings do not even cover interest - a serious warning sign.
- Liquidity
- How easily a stock can be bought and sold without moving the price - measured by (dollar) volume. Illiquid stocks have wide spreads and jerky prices; that is why almost every scanner applies a minimum liquidity filter.
- Long / Short
- Long = betting on rising prices (buying the stock). Short = betting on falling prices (selling borrowed shares to buy them back cheaper later). Our short scanners are warning or watch lists - not buy candidates.
- Market Capitalization (Mkt Cap)
- The market value of the company: share price x total shares outstanding, shown here in billions of dollars. Micro caps (< $0.3B) are small and volatile, mega caps (> $200B) are heavyweights. Our scanner universe is deliberately capped at $50B - we look for stocks with room to run.
- Momentum
- The driving force behind a price trend: stocks that have recently risen sharply statistically tend to keep rising more often than not. Momentum strategies therefore buy strength - not perceived bargains.
- Net Margin
- How much of revenue is left as profit? Net income divided by revenue, in percent. A 20% margin means: out of every dollar of revenue, 20 cents is left as profit. Rising margins are a strong quality signal.
- Opening Range High/Low
- The high and low of the first minutes of trading (e.g., the first 5 or 60 minutes). Qullamaggie buys breakouts above the opening-range high and sets the stop at the day's low - an entry with clearly defined risk.
- Operating Cash Flow (OCF)
- The cash that actually flows into the company from day-to-day operations - without accounting effects such as depreciation. A company can report book profits while still burning cash; operating cash flow reveals that.
- P/B (Price-to-Book Ratio)
- Market cap divided by book equity (shareholders' equity). A P/B under 1 means: the company costs less on the market than its book equity - a classic value-investor criterion.
- P/CF (Price-to-Cash-Flow Ratio)
- Market cap divided by operating cash flow over the last 4 quarters. Harder to dress up than the P/E ratio, because it measures real cash flows instead of book profits.
- P/E (Price-to-Earnings Ratio)
- Market cap divided by annual earnings: how many years of earnings does the stock cost? A P/E of 15 means that, at current earnings, the purchase price would be "earned back" after 15 years. Only meaningful within an industry and together with growth.
- P/FCF (Price-to-Free-Cash-Flow Ratio)
- Market cap divided by free cash flow over the last 4 quarters (TTM). A P/FCF of 4 equals a 25% free-cash-flow yield - the lower, the cheaper.
- P/S (Price-to-Sales Ratio)
- Market cap divided by annual revenue. Useful for companies that are not (yet) profitable - but it says nothing about whether that revenue will ever turn into profit.
- PEG (P/E ÷ Earnings Growth)
- The P/E ratio divided by the expected earnings growth rate in percent. Peter Lynch's rule of thumb: a PEG around 1 is fair, well below that is cheap - a stock with a P/E of 20 and 40% growth (PEG 0.5) can be cheaper than one with a P/E of 10 and 5% growth (PEG 2).
- Percentile
- A rank from 1 to 99 relative to every other stock: percentile 95 means the stock beats 95% of the universe on this metric. Our ratings (RS, Stress RS, Funda Rating) are all percentile values.
- Piotroski F-Score
- A balance-sheet health check developed by Joseph Piotroski: 9 yes/no criteria covering earnings, cash flow, leverage, and efficiency produce a score from 0 to 9. Scores of 7 or higher are considered financially very solid, scores under 3 a warning sign.
- Relative Strength (RS Rating)
- How much has a stock risen compared with every other stock? The RS Rating is a percentile from 1 to 99: RS 90 means the stock has outperformed 90% of all stocks (depending on the scanner, over 1 week, 1, 3, 6, or 12 months). Market leaders almost always carry high RS values - that is why relative strength is the core of many momentum strategies.
- Return on Assets (ROA)
- Profit relative to ALL capital employed (equity plus debt). Unlike return on equity, it cannot be flattered by taking on more debt - which is why Greenblatt uses it as a measure of business quality.
- Reverse Split
- A share consolidation, e.g., 10 old shares become 1 new share - the price appears to jump tenfold without the company becoming worth more. Struggling companies use this to avoid looking like a penny stock; we automatically filter out such distorted stocks.
- ROE (Return on Equity)
- Profit divided by equity: how much return does the company generate on its owners' money? Consistently above 15-20% is considered a hallmark of top-tier companies.
- RVOL (Relative Volume)
- Today's trading volume relative to the usual average. RVOL 2 = twice the normal turnover. A volume surge confirms breakouts: without above-average volume, a breakout carries little weight.
- Sector & Industry
- Two levels of industry classification: sector is broad (e.g., Technology), industry is narrow (e.g., Semiconductors). Many strategies watch industry strength, because strong stocks are almost always found in strong industries.
- SMA / Moving Average (10-, 20-, 50-, 200-Day Line)
- The average price of the last X days, plotted as a line on the chart (Simple Moving Average). The 50-day and 200-day lines are the most closely watched: price above the line = uptrend intact. The 30-week line from the Weinstein method corresponds to the 150-day line.
- Stage (Weinstein Stages 1-4)
- Stan Weinstein divides every price chart into four stages: Stage 1 = basing (sideways after a downtrend), Stage 2 = uptrend (the only buying stage), Stage 3 = topping, Stage 4 = downtrend (avoid, or short candidate). Measured against the 30-week line (150-day moving average) and its slope.
- Stress RS (Strength on Stress Days)
- A stress day is a day on which both the overall market and the stock's own sector fell at least 0.5%. Stress RS counts on how many of these days the stock still closed green (shown as "g/n" = green days out of n stress days) and turns that into a rating from 1 to 99. High values point to buyers stepping in even on weak days - often a sign of institutional accumulation.
- Surprise (Earnings/Sales Surprise)
- The gap between reported numbers and the analyst estimate. Positive earnings or sales surprises force analysts to raise their models - which often triggers weeks of follow-on buying.
- Trend Intensity (TI)
- The ratio of the 13-day to the 65-day moving average x 100. Values above roughly 108 show powerful, sustained momentum; the higher, the steeper and smoother the trend.
- TTM (Trailing Twelve Months)
- The sum of the last four quarters - a true rolling fiscal year instead of one annualized quarter. Makes metrics like free cash flow comparable on a seasonally adjusted basis.
- U/D Volume Ratio (Up/Down Volume)
- Trading volume on up days divided by trading volume on down days (typically over 50 days). Values above 1 mean: more volume trades on rising days than on falling days - a sign that large players are accumulating.
- Volatility Contraction (VCP)
- Price swings get tighter from wave to wave - the stock "calms down," often on falling volume. This tightening (Volatility Contraction Pattern, coined by Mark Minervini) shows a balance between supply and demand and often precedes powerful breakouts.
- Webby RSI
- An indicator from Mike Webster (formerly of the O'Neil team): it measures how many ATRs the day's low sits above the 21-day EMA. Under 3 ATR = healthy trend; above that begins the overextended climax zone, where Webster takes partial profits instead of adding.
- YoY (Year-over-Year)
- Year over Year: the quarter is compared with the same quarter of the prior year, not the previous quarter. This removes seasonal effects (holiday shopping, etc.) and is the standard for growth rates.
- YTD (Year to Date)
- The price change since the start of the calendar year. "YTD > 100%" means: the stock has at least doubled so far this calendar year.