Survey paper: AI transforms financial markets, over 75% of AEX trades algorithmic

PtrPomorski · x · 2026-10-14

The paper "Artificial intelligence and financial markets" examines how AI, through advances in algorithms and computing power, lets investors and intermediaries extract more information from abundant data, reshaping information production, decision-making, labor demand, and financial intermediation in securities markets.

It surveys implications for market efficiency, competition, informational frictions, and financial stability. A figure shows 75-85% of trades by count and 65-80% by value in Euronext Amsterdam large caps (AEX) were executed algorithmically across 2020-2026.

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