Nairobi, Sept. 14 -- Most traders know the feeling. A broker promotes an offer that makes them stop and think.

A tighter spread on a major pair. A lower commission structure. A smoother-looking app. A headline condition that makes their current setup seem expensive, outdated, or less competitive.

On paper, switching brokers can look like a simple calculation. If one provider appears to offer a lower visible cost, why not move?

It is easy to understand the appeal. But an offer can be real and incomplete at the same time.

The visible number may be better, but that doesn't mean the overall trading environment is better. A broker relationship is shaped by what happens before the trade, during the trade, after the trade, and when something...