Research preview

The unexpected projection that a Democratic Socialist candidate will win a congressional seat has sent markets scrambling for liquidity. When political headlines move prices, the mechanics of order execution become critical for quantitative traders. This article explains how queue depth, partial fills, and order‑type choices interact in volatile environments, using a concrete worked example to illustrate execution risk and how to manage it. The Anatomy of a Limit Order Queue A limit order specifies the worst price at which a trader is willing to buy or sell. On most electronic venues, limit orders line up in a price‑time priority queue....