LemmaAnalysis
PricingLogin
An analytics terminal for independent investorsEst. 2026

Every position
is a lemma.
Your portfolio,
a proof.

A research workspace built around the idea that every holding should be defensible from first principles — starting with the quality of the business, then intrinsic value, scenarios, and a documented thesis.

Stock screener, a five-pillar quality score, DCF and reverse-DCF calculators, portfolio analytics, and a journal that turns into a public proof of your decisions over time.

100,000+ tickers40 yrs financialsNo credit card
NASDAQ · AAPL
Apple Inc. — a lemma.
Spot
$247.18
Quality score
8.1/ 10
High quality
Strongest: Profitability · Weakest: Growth
Profitability
9.4
Solvency
8.2
Growth
5.6
Efficiency
8.6
Predictability
8.5
DCF: screens cheap → worth a closer look
2019202020212022202320242025
Topographic Earnings Bands · Net Income · Revenue · FCF
Four primitives

Screener find.

Filter 100,000+ tickers across 200+ fundamentals. Save screens. Get pinged when a name crosses your line.

Quality judge.

Five pillars — profitability, solvency, growth, efficiency, predictability. Whether a business is worth your time, before you spend an hour on a DCF.

Valuation price.

DCF, reverse-DCF, multiples, EPV. Side-by-side scenarios. Sensitivity tables you can actually read.

Portfolio prove.

Track holdings in any currency. Attribution, factor exposure, correlation. A journal that makes you accountable.

Pricing
7-day free trial · no card
Ultimate prove.
Everything in Lemma Analysis. One plan.
$8.99/mo
billed monthly
Pay yearly and it's $6.67 a month instead. You save $27.89 a year.
Research
Unlimited tickers
Screener · 200+ filters
DCF & reverse-DCF
40 yrs financial data
Compare stocks side-by-side
Quality Score on any company
Portfolio
Unlimited portfolios & positions
Portfolio analytics
Factor & correlation matrix
Return history & drawdowns
CSV import from your broker
Earnings & ex-dividend calendar
News & journal
Company news, filings & press releases
News digest ranked by impact
Insider trades in your digest
Weekly digest by email
Insider alerts on what you hold, by email
Events marked on the price chart
Public thesis journal
+and more — one plan, everything in it