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About Jasper's Door

At Jasper's Door, we’ve crunched the numbers and demonstrated how ETFs simply suck. Our research reveals that their hidden rebalancing costs, averaging 4% annually, and over-diversification dilute returns, often lagging behind simpler, smarter strategies. The big financial institutions prioritize fees over performance, and we’re here to change that with evidence-based solutions. That’s why we created the Jindex – a custom portfolio approach we’re proud to offer. Backed by 8 years of global stock backtests (2000-2025, using Morningstar data), the Jindex uses 20-40 stocks, semi-annual rebalancing, and targeted factors like value, small caps, and profitability to achieve high Sharpe ratios and outperform benchmarks like the S&P 500 by up to 5% annually. For example: our tests show small caps in the bottom 10-20% market cap can yield 15-20% CAGR, proving there’s a better way. We’re not just selling a product – we’re sharing a strategy anyone can replicate with our free tools and code. Whether you’re a business managing a treasury, a pension fund seeking efficiency, or an investor tired of fees, we’re here to guide you with transparent, data-driven insights. Join our Jindex Investors community and let’s build wealth that lasts, together.

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