
How To Build a Quant Portfolio From Scratch (2026 Edition)
Not a stock-picking guide. The actual mathematics behind capital allocation from covariance estimation to when you cut a strategy entirely.
6 articles

Not a stock-picking guide. The actual mathematics behind capital allocation from covariance estimation to when you cut a strategy entirely.

The most expensive mistake in markets isn't a bad trade. It's mistaking a lucky streak for a skill. And the market is a machine built to make you do exactly that.

You keep trading by hand, getting chopped up, and telling yourself you'll build a bot one day. Then you remember you can't code.

In 2025, an AI broke a 56-year-old math record with one loop: generate, test, score, repeat. Quants run it on strategies.

I typed one sentence into a trading tool. About a minute later it had written real Python, pulled four years of market data, run a full backtest, and handed me a strategy that lost money over a four…

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