Built for individual investors

Investing doesn't have to be complicated.

Four professional calculators, elite investor portfolios, and a stock screener — designed to cut the noise and surface only what matters.

D S P L
Trusted by 9,500+ investors worldwide
SIA · Company Dashboard
AAPL Apple Inc. $189.30 +1.4%
Revenue CAGR
+14.2%
Net Margin
25.3%
P/E Ratio
28.4×
Dividend Yield
2.1%
Debt / Equity
0.31
Fair Value Est.
$201
Revenue — 10 Year History $394.3B
Overall Quality Score 2.4 / 3.0
Fair Value
$201
6.2% upside today
Buffett Holds
24.8%
of his portfolio
9,500+
Investors using SIA
4
Professional valuation calculators
10yr
Historical financial data
$10
Full access, per month
What's Inside

Everything you need.
Nothing you don't.

We stripped away the complexity. Each tool is built around one simple question: is this a good company at a fair price?

📐

Valuation Calculators

Four proven models — DCF, Graham Number, PEGY, and Owner Earnings. Enter a ticker, get a fair value estimate in seconds. No finance degree required.

→ DCF · Graham · PEGY · Owner Earnings

🔍

Analysis Table

The only metrics that matter, side by side. Revenue growth, margins, debt levels — colour-coded so you can judge quality at a glance.

→ 10+ years of financial data per company

🏆

Elite Investor Portfolios

See exactly what Buffett, Ackman, and others are buying and holding. Updated quarterly so you always know where the best are placing their bets.

→ Buffett · Ackman · and more