Illustration: 731. Photography: Bloomberg

Illustration: 731. Photography: Bloomberg

The Big Take

Quant Firm’s $1 Billion Code Is Focus of Rare Criminal Case

The prosecution of a trader could define how a quant algorithm can become stolen property and have a huge impact on Wall Street’s talent war.

To Headlands Technologies LLC, “atoms” and “alphas” were its crown jewels, the top-secret building blocks of source code the quantitative trading firm spent more than $1 billion to develop.

And then they were stolen.