st-ox
Stock Portfolio Tracker
Free · No credit card required

Free Stock Portfolio Tracker
for US & European Markets

Keep your portfolio — and the market — in view.

Track stocks across US and European markets, screen for quality across 12 exchanges, build with model portfolios, gauge whether the market is expensive, and monitor your returns in any currency — all in one private, secure app.

st-ox.com
Invested
€14,820
8 lots
Current Value
€17,340
current prices
Total Return
+€2,520
+17.0%
Daily Change
−€84
−0.48%
Holdings
Ticker Shares Value Return Status
AAPL
Apple Inc.
10 €2,840 +12.4% Live
MSFT
Microsoft Corp.
5 €2,190 +8.7% Live
IBCH.DE
iShares MSCI World EUR Hedged
20 €4,620 +22.1% Live

Portfolio tracking, stock screening and rebalancing in one app

Everything you need, nothing you don't — built for self-directed investors who want clarity without complexity.

New
Smart Screen
Find stocks across 12 markets — US, Europe, Tokyo, Hong Kong — ranked 0–100 on quality, growth, value and momentum — or by Joel Greenblatt's Magic Formula. Five presets, from Quality Compounder to Microcap Survivors, plus opt-in day-trading scans (high risk).
Multi-market quotes
US, European, and global stocks. Prices fetched from Yahoo Finance with automatic currency conversion.
Multi-currency portfolio
Buy in USD, EUR, GBP — view everything in your chosen display currency. FX rates updated daily.
Technical analysis
RSI, RVI, Relative Volatility, OBV, HV, 200-day MA, 52-week range — 7 signals summarised into a single actionable verdict.
Trailing stop monitor
Trailing stop (15% by default, adjustable) measured from the highest close since your buy date. The row turns red when a position falls below it.
Rebalancing tool
Set target allocations and instantly see how much to buy or sell to bring your portfolio back into balance.
New
Model portfolios & What-if
Seven ready-made allocations — All-Weather, Permanent, Income and more. Load one into Rebalance, or use the What-if tab to project a lump sum or monthly plan into pessimistic / expected / optimistic outcomes.
New
Market valuation
See whether the market is expensive vs. its own history — price-vs-trend across the US, Europe and Japan, plus the Buffett Indicator and Tobin's Q for the US, rolled into one verdict.
Private and secure
Your data is stored securely in your account. No ads, no third-party login, no selling of your data — just you and your portfolio.

Portfolio tracker FAQ

Everything you need to know before you start.

Start tracking your portfolio for free

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