Algorithmic trading involves the use of artificial intelligence systems to make trading decisions at speeds many orders of magnitude faster than any human being is capable of doing, making millions of trades in a day without human intervention. Clearly, such technologies pose ethical and geopolitical problems.

The use of artificial intelligence in applications such as online trading and financial decision making has changed major economic practices. For example, artificial intelligence-based buying and selling platforms estimate individualized supply and demand curves and thus enable personalized pricing.