Today we look at more data from the tick pilot that confirms this result. We find the tick pilot created data that proves: Making stock ticks constrained increases costs and hurts valuations. But too ...

We already know tick sizes make a big difference to how stocks trade. We have spent a lot of time discussing the importance of tick size in previous blogs, including getting tick right improves ...

A few weeks back, the issue of payment for order flow came to the fore (again) due to an article in the Wall Street Journal suggesting the SEC was considering a large overhaul to how retail orders are ...

With the SEC looking at a more holistic review of market structure, there are a lot of problems regulators might be looking to fix. One, which others have also pointed out too, is trading in ...