Persistfolio
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What does Persistfolio notice about your portfolio?

Enter your holdings and Persistfolio will examine your portfolio for concentration, overlap, and historical patterns — including how the individual companies we research have performed relative to the S&P 500. Research observations only - no predictions, no buy or sell recommendations.

We look beyond which stocks simply finished ahead.

When Persistfolio evaluates the individual companies in a portfolio, it doesn't just compare their ending returns with the S&P 500. It also examines the historical record for statistical evidence that the outperformance was persistent.

Persistent outperformance

The advantage builds more consistently over time.

Illustrative stockS&P 500Start10 years

Persistent outperformance detected

The historical advantage met Persistfolio's persistence criteria.

Outperformance, but not persistent

It still finishes ahead — but the advantage is much less consistent.

Illustrative stockS&P 500Start10 years
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Persistent outperformance not detected

The stock finished ahead, but its historical advantage did not meet Persistfolio's persistence criteria.

Illustrative examples only. Past performance does not predict future results.

Paste however you have it - one per line, comma-separated, or all on one line. Percentages or dollar values both work, just keep the same unit throughout. Weights are optional entirely - if omitted, holdings are treated as equally weighted.