Stock market tools

Research a stock, plan a trade, or review your results.

Free toolsNo signup requiredSources linked

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Explore tools

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Useful places to begin.

  • Small-Cap Dashboard

    Check dilution, float, halts, and price levels.

    Data: SEC filings, end-of-day bars, exchange halts, TickerTick news

  • Position Size Calculator

    Calculate shares from your entry, stop, and risk limit.

    Data: Only what you type: no market data

  • P&L Timeline

    See how your day’s profit and loss changed, trade by trade.

    Data: Your broker export, read in your browser; screenshots read by AI

Plan & review trades

  • Position Size Calculator

    Calculate shares from your entry, stop, and risk limit.

    Data: Only what you type: no market data

  • Risk/Reward Calculator

    Compare potential profit and loss before you enter a trade.

    Data: Only what you type: no market data

  • Trade Timer

    Track how long you hold trades against your target.

    Data: Your own timer, kept in your browser

  • P&L Timeline

    See how your day’s profit and loss changed, trade by trade.

    Data: Your broker export, read in your browser; screenshots read by AI

  • StockTools Charts

    Up to six linked daily charts: 27 studies, 13 drawing tools, records marked.

    Data: End-of-day bars (Databento) and SEC filings for the marks

  • Market Breadth

    How many stocks rose, sit above their averages or set new highs, over time.

    Data: End-of-day bars (Databento)

Research a stock

  • Dilution Profile

    Check share issuance, warrants, convertibles, and cash runway.

    Data: SEC EDGAR filings

  • Congress Trades

    Explore reported congressional stock transactions.

    Data: STOCK Act reports, via the Congress Trading Monitor

  • Earnings Calendar

    Find upcoming earnings and confirmed report dates.

    Data: SEC EDGAR filings

  • Fair Value Estimator

    Estimate fair value from a company’s own filings, sources cited.

    Data: SEC EDGAR filings and end-of-day prices

  • Insider Trades

    Every Form 4 buy and sell by officers and directors.

    Data: SEC Form 4 filings

  • Do They Need Money?

    See how long a company’s cash lasts at its current burn.

    Data: SEC EDGAR filings

Analyze options

  • Options Profit Calculator

    See max profit, max loss, and breakeven at expiry.

    Data: Only what you type: no market data

  • Max Pain

    See where open interest clusters by strike and expiry.

    Data: Cboe delayed option quotes

  • Track Record Checker

    Re-grade a published options record on the close, with what it leaves out.

    Data: The record you paste, graded on end-of-day bars

  • Range Base Rate

    How often a stock closed in a band, above its open, or filled a gap.

    Data: End-of-day bars (Databento)

  • Iron Condor Calculator

    Max profit, max loss and break-evens for condors and credit spreads.

    Data: Only what you type: no market data

  • Covered Call Calculator

    Yields on covered calls and cash-secured puts, annualized.

    Data: Only what you type: no market data

Plan investments

  • Dividend Tracker

    Dividend history, yield, and growth from filings.

    Data: SEC EDGAR filings

  • Compound Interest Calculator

    Project how savings and monthly deposits grow.

    Data: Only what you type: no market data

  • Cost of Advice Calculator

    Compare a 1% advisory fee, a flat fee and no adviser over the years.

    Data: Only what you type: no market data

  • Monte Carlo Simulator

    Run thousands of market paths to see a range of outcomes.

    Data: Only what you type: no market data

  • Retirement Withdrawal Calculator

    Test whether a withdrawal rate lasts through retirement.

    Data: Only what you type: no market data

  • Portfolio Brief

    Upload your holdings to see sector mix and concentration.

    Data: Your holdings, read in your browser, and SEC company records

Research a stock in one report

Choose a ticker and combine the checks you need.

Build a report

Nine tabs, one site

The tabs a trader keeps open, and the page here that answers each one. Who we read it from and how old the answer can be come from our sources register, word for word.

The tabHereRead fromHow old it can be
A chart
Where did it close, and how has it traded?
ChartsDatabentoEnd of day, never intraday.
A screener
Which companies pass my filters?
ScreenerUS Securities and Exchange Commission, DatabentoEach figure is as of the filing it comes from.
Insider trades
Who inside the company bought or sold?
Insider tradesUS Securities and Exchange CommissionForm 4 is due within two business days of the trade. Our scheduled jobs run every 6 hours on top of that.
Fund holdings
What do the big funds hold?
Fund holdings (13F)US Securities and Exchange CommissionForm 13F is due within 45 days after each quarter ends, so a fund's holdings can be four and a half months old by the time its next filing lands.
Short interest
How much of it is sold short?
Short interestFINRAShort positions as of the 15th and the last business day of each month. FINRA publishes each set about seven business days later, so the newest figures are 9 to 26 days old.
An options chain
Where is max pain for this expiry?
Max painCboe Global MarketsCboe's delayed quotes, about 15 minutes behind the market, plus our cache.
Filing search
Which filings mention this?
Filing searchUS Securities and Exchange CommissionEDGAR indexes a filing for search after accepting it.
An earnings calendar
When does it report?
Earnings calendarUS Securities and Exchange CommissionA filing is public the moment EDGAR accepts it.
A news feed
What has been written about it today?
HeadlinesTickerTickHeadlines as the outlets publish them, plus up to 15 minutes of cache.

How our data and calculations work