This usage implies exploiting or using someone for personal benefit, often seen negatively.

Selfish Gain

People or companies often 'trade on' their good name to attract opportunities, based on past achievements.

Reputation Leverage

'Trade on' can suggest subtly using a trait or feature to maneuver situations in one's favor.

'Trade on' refers to the action of buying and selling in financial markets, a basic economic activity.

In finance, 'trade on' is often followed by the specific items being bought or sold, like stocks or bonds.

The phrase is part of technical financial jargon and might not be understood outside of business contexts.