ETF Generator
Turn any idea intoan investable index.
Describe a theme and Mosaic screens real companies on live fundamentals, weights them your way, and backtests the basket against the S&P 500 — CAGR, drawdown, and all, on an interactive chart.
CAGR
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vs SPY
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Max DD
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Grounded in data
Real companies, real financials — not vibes.
From a prompt like “super high-growth semiconductors,” Mosaic scans curated universes of real companies and verifies every candidate against live revenue growth, margins, ROE, valuation, and beta before it makes the cut.
- Curated candidate universes
- Verified on live fundamentals
- Factor-scored selection
Backtest & reweight
Five years against the S&P 500, instantly.
The basket is backtested weekly against SPY with honest methodology — CAGR, total return, volatility, and max drawdown. Flip between equal, market-cap, and factor weighting and watch it recompute live.
- Interactive 1Y–5Y chart
- CAGR, volatility, max drawdown
- Equal / market-cap / factor weighting
CAGR
+0.0%
vs SPY
+0.0%
Max DD
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From idea to index
Build the thing you’d want to own.
0yr
Backtest window
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Weighting schemes
vs SPY
Benchmarked
Questions, answered.
It uses weekly closes over up to five years, weekly-rebalanced to target weights, price-return only, with the methodology stated on-screen. Results are hypothetical and not a guarantee of future performance.