Software Design: Tidy First?

Busy is Short Volatility

The brutal tyranny of the Kingman Formula

Kent Beck's avatar
Kent Beck
Aug 13, 2026
∙ Paid

We’ve talked about:

  • Volatility & how it shows up in software development

  • What it means to go short or long volatility

Today we’re going to talk about one of the most hidden ways of going short volatility & its counter-intuitive mathematical basis—the Kingman Formula.

The Problem

We’re taking our cue today from queueing theory. In our model of the world we ha…

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