AlphaLens · Journal
Notes on portfolio analytics, risk, and broker integrations
Field notes from the team building AlphaLens — what we learn while wiring up brokers, computing the right metrics, and explaining risk to active traders.
AlphaLens · 2026
performance
benchmark
How to Know If You're Actually Beating the Market
Most traders who think they're beating the market aren't. Here's the rigorous way to find out — accounting for risk, cash flows, and benchmark selection.
Feb 13, 20264 min
ReadAlphaLens · 2026
benchmark
tutorial
How to Benchmark Your Portfolio Against SPY
Benchmarking isn't just plotting two lines on a chart. Here's the right way to compare your portfolio to SPY — and the common mistakes that make the comparison meaningless.
Feb 6, 20264 min
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