Find a company — see its fair value.

3 free valuations a day — no account needed

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, four intrinsic-value models, portfolio analytics, and a journal that keeps the record of your decisions over time.

7 days of Ultimate, no card. Then Free unless you choose a plan.

NASDAQ & NYSEAs filed with the SEC
Four primitives

Screener find.

Filter about three thousand US-listed companies and ADRs across fifty-odd fundamentals — ours included. Save a screen, or send it as a link. Part of Ultimate.

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.

Four models on one axis — Advanced DCF, Ben Graham, Simple DCF and the Dividend Discount Model. Every assumption yours, a bear/base/bull case behind each. Free for 3 companies a day, unlimited with Ultimate.

Portfolio prove.

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

One stock from screener to a written thesis: check the business, price it, track it. · Microsoft’s figures as of
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.

7 days of Ultimate, no card. Then Free unless you choose a plan.

Research
—Unlimited tickers and valuations
—Screener · 8 filter categories
—Intrinsic value · 4 models
—Fair value · 7 multiples vs. own history
—Financials as filed with the SEC
—Compare · several companies and metrics on one chart, whole history
—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
—Weekly digest by email
—Insider alerts on what you hold, by email
—Events marked on the price chart
—Unlimited thesis journal with review dates
+and more — one plan, everything in it