Impact assessment

Computer trading: tick size regulation

Economic impact assessment on EU tick size regulation.


Tick size regulation (EIA6)

This file may not be suitable for users of assistive technology.

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


Tick size is the minimum variation in the price of a security. This economic impact assessment looks at the regulation of tick sizes in the context of what has happened in the US, and provides an assessment of the costs, benefits and risk of regulation regarding the tick size.

This impact assessment was commissioned as part of the Foresight project on the future of computer trading.

Published 31 August 2012