Network Interface Jitter

Network interface jitter is the variation in the latency of packet arrivals caused by network congestion, timing drift, or route changes. In electronic trading, jitter creates uncertainty in the data stream, making it difficult to reconstruct the exact sequence of market events.

Even with hardware timestamping, high jitter can interfere with the ability of quantitative models to accurately price options or manage risk in real-time. Traders work to minimize jitter by using dedicated network infrastructure and optimized kernel bypass techniques.

Controlling jitter is a prerequisite for achieving the stability required in high-frequency trading environments where microseconds dictate success.