Investment research and analysis tools
Good research does not need expensive subscriptions. Most of the facts that matter come from free official sources; the work is in putting them side by side. IncomeGrid helps you discover higher-yield income opportunities you may not have looked at, so you can earn more on the same money. It has 40,000+ investment options screened, each with its yield, after-tax yield and a risk level from 1 to 5.
Free official sources
| Tool | What it gives you |
|---|---|
| SEC EDGAR | Company, fund and offering filings |
| Investor.gov | Product explainers, calculators, fraud alerts, adviser search |
| FINRA BrokerCheck | Background on brokers and firms |
| U.S. Treasury yield data | Daily Treasury yields by maturity |
| TreasuryDirect | Buy Treasuries and I bonds directly |
| FDIC national rates | Average deposit rates |
| IRS Publication 550 | How investment income is taxed |
| BLS CPI | Inflation |
Analysis tools by question
- What does it pay? – yield calculator, dividend yield.
- What would it grow to? – compound interest calculator.
- How did it do? – ROI calculator.
- What do I keep? – tax-equivalent yield.
- How risky is it? – credit ratings, offering risk factors, IncomeGrid risk level 1–5.
Screeners
A screener filters a large universe by criteria. IncomeGrid's the finder is a screener for income investments: 40,000+ investment options screened, sortable by after-tax yield for where you live. IncomeGrid ranks every item by yield after tax for where you live: after federal, state and each investment type tax (Treasuries, municipal bonds, corporate bonds, funds, REITs and filed offerings are each taxed differently).
Research habits
- Read the source document, not just the summary.
- Note the date – yields change.
- Check why a yield is high before buying.
- Write down your reasons; revisit them yearly.
Reading an offering document
For bonds and filed offerings, the offering circular or prospectus is the primary source. Read the summary, the use of proceeds, the risk factors, the financial statements and the terms on redemption. For funds, read the prospectus fee table and the holdings. It takes time, but it answers whether a yield is high for a good reason.
How IncomeGrid helps you earn more
IncomeGrid helps you discover higher-yield income opportunities you may not have looked at, so you can earn more on the same money. It has 40,000+ investment options screened, each with its yield, after-tax yield and a risk level from 1 to 5. Choose where you live and every yield is shown after federal, state and each investment type tax, so you can see which options pay you more.
Try the income screener → or browse example income portfolios
Frequently asked questions
What are the best free investment research tools?
Official sources – SEC EDGAR, Investor.gov, FINRA BrokerCheck, Treasury yield data – plus calculators and screeners.
What is an investment analysis tool?
Anything that helps measure return, risk or cost: calculators, screeners, filings.
Can a tool tell me what to buy?
Tools show information; the decision depends on your situation. Not investment advice.
Not investment advice. General information only; yields change, check the source before acting.
Related guides
- Compare investments: one scale for everything
- Investment opportunities: finding them and checking them
- Method and sources
- find
Sources
- SEC – EDGAR full-text search
- Investor.gov – Investing basics
- FINRA – BrokerCheck
- U.S. Treasury – Daily Treasury par yield curve rates
More guides
- Turning your 401(k) into income
- Alternative income investments open to everyone
- Annuities and the alternatives for steady income
- Asset allocation and risk versus return
- How to keep your money ahead of inflation
- Best income investments: how to rank them
- Best interest rate accounts: savings and beyond
- Best investments: how to find the best options for you
- Best yield investments, by risk level
- How to build a bond ladder
- Bonds explained
- Car loan or pay cash: a simple comparison
- CD rates: how they compare with the alternatives
- Compare investment returns side by side
- Compare investments: one scale for everything
- Compound interest calculator
- Dividend ETFs: how they work
- Dividend income compared with other income investments
- Dividend yield: what it is and how to use it
- Early retirement: turning savings into income
- Emergency fund: where to keep it
- Gold versus income investments
- High-yield bonds explained
- High-yield income investments
- Alternatives to a high-yield savings account
- Where to find the highest interest rates
- Historical investment returns: how to read them
- How much interest will my money earn?
- How to generate investment income
- How to grow wealth: steady steps that compound
- How to invest: first steps
- Income-producing assets: the full list
- Investing explained: how money makes money
- Investment and compound interest calculator
- Investment income explained
- Investment opportunities: finding them and checking them
- Building an investment portfolio
- Investment returns explained
- Types of investments compared
- Investment yield: calculate it and compare it
- Investments that pay interest
- How to make money investing
- Money market funds and accounts explained
- Investments that pay monthly
- Pay down the mortgage or invest?
- Municipal bonds and tax-free income
- Adding income to a Nasdaq-heavy portfolio
- Passive income from investments
- Real estate income without buying property
- Where to invest retirement money for monthly income
- Return on investment (ROI) calculator
- Income investments in a Roth IRA
- Safer investments with higher yields
- Saving for a house: where to keep the down payment
- Saving for college: 529 plans and the alternatives
- What to do with side hustle income
- Social Security and the income gap
- The S&P 500 and income
- The stock market and steady income
- Stocks and income investments
- Tax-equivalent yield, explained simply
- Treasury bills, notes and I bonds
- What to invest in: the main options
- Where to invest money
- Yield vs interest rate: the difference
- Yields around the world
- Method and sources