Journal
Add and document past trades to explain your investment decisions and the ideas behind them.
Where financial Substack writers share portfolios and investment theses with their paid subscribers.
Give your readers a portfolio they can follow, track, and learn from—and another reason to become paying members.
Already on Altis.finance
Join other financial writers sharing their investment ideas on the platform.
Make your paid subscription more valuable.
Give your subscribers ongoing access to your portfolio, so they can follow your positions and see how your investment ideas develop over time.
Add a tangible benefit to your paid newsletter—one that helps you attract subscribers, keep them engaged, and support a higher subscription price.
Your ideas. Your portfolio. Your way to track them.
Create an index, add your trades, and choose the mode that fits your approach:
Locked
Record trades as you make them, with locked prices and timestamps, to build a verifiable track record.
Get discovered by readers who already pay for financial research.
Put your work in front of thousands of paying subscribers to other financial newsletters—an audience already willing to pay for investment insights.
When someone discovers your private index on Altis.finance, they’re directed to your Substack subscription page to subscribe and unlock access.
Invite your existing paid subscribers.
Give your paying members access to your private index in a few simple steps.
They can explore your trade history, follow your holdings, and track portfolio performance—all in one place.
No broker connection required.
Simply enter the ticker, number of shares, and trade date.
Altis.finance retrieves the historical price, converts values into US dollars when needed, and calculates performance and key portfolio metrics automatically.
Spend more time explaining your ideas and less time updating spreadsheets.
Give your readers more to subscribe for.
Create your first index draft for free today. Add your positions, explore the platform, and publish when you’re ready.