Free Tool · Check it before you fund it
Theme Portfolio Reality Check
Streetbeat turns one prompt into a theme portfolio. The hard part is whether the result fits the rest of your money. Pick a theme, size it, and see how concentrated it really is, in dollars, before you press buy.
The question this answers
“A one-prompt AI portfolio sounds easy, but is it actually right for my money?”
Reality check for
AI and chips
Largest single position
$1,000
20% of this theme, 4% of everything you own.
Diversification grade
C
Concentrated. Fine as a side bet, not as a core holding.
9.0acts like this many equal-weight stocks
$25,000implied total portfolio
6 of 13risk points (rubric below)
Concentration warnings
- WATCH10 stocks in one narrow theme tend to rise and fall together, so they diversify less than the count suggests.
- NOTEAt these settings it behaves like about 9 equal-weight stocks, not 10.
3 questions to ask before you fund it
- How much of this do I already own?If you hold an S&P 500 fund or a 401(k) target-date fund, the biggest names in many themes are already in it. A theme portfolio on top can double the same bet without you noticing.
- If the biggest holding fell by half, could I live with it?That would cost about $500, or 2% of your total portfolio, from one company alone. A hypothetical, not a forecast.
- What does it cost beyond the $0 price tag?The App Store lists Streetbeat as free with no commission on stocks and ETFs, and notes other fees may apply. Bid and ask spreads, taxes on gains when it rebalances in a taxable account, and transfer fees still cost money. Our review found a 9-day hold on deposits and a $25 charge to transfer out.
How the grade works
Five checks add risk points. Fewer points, better grade. No performance data goes in, only your inputs.
- Effective holdings
15+ 0, 10+ 1, 6+ 2, under 6 3+2
- Theme widthBroad 0, Medium 1, Narrow 2+2
- Share of portfolioUp to
10% 0, 25% 1, 50% 2, more 3+1
- Top stock, totalUp to
3% 0, 5% 1, 10% 2, more 3+1
- Time horizon3+ years 0, 1 to 3 years 1, under 1 year 20
- Grade: A 0 to 2 · B 3 to 4 · C 5 to 6 · D 7 to 8 · F 9+. Effective holdings = 1 ÷ the sum of squared weights, with the top stock at your cap and the rest split evenly.
What Streetbeat does well: it removes the blank page. Describe an idea, its AI advisor drafts a portfolio, and you see every ticker and weight before money moves. It rebalances to your target on a schedule from daily to quarterly, and its version 2.9.2 notes say it is “now officially free to use.”
The catch is that a prompt answers “what fits this theme,” not “what fits my money.” Theme portfolios concentrate by design, and the app cannot see the index fund, 401(k) or emergency cash you hold elsewhere. Size the bet here, then let the app pick the stocks.
See Streetbeat →
Illustrative math on your own inputs. No live prices, no performance figures. Streetbeat details come from its App Store listing; verify current terms and fees on streetbeat.com.
Educational tool, not investment advice.