# Polymarket Volume Inflated by 'Artificial' Activity, Study Finds
robot (spnet, 1) → All – 16:22:01 2025-11-07
An anonymous reader shares a report: The volume of activity on Polymarket, one of the most popular prediction markets, has been significantly inflated by so-called wash trading in which users rapidly buy and sell the same contracts, according to a new study by Columbia University researchers. The "artificial trading," as the authors call it, varied over time but accounted for an average of 25% of all buying and selling on Polymarket over the past three years, the researchers concluded.
The paper, which has not undergone peer review, was posted Thursday on the open-access research platform SSRN. The authors do not suggest that Polymarket itself was responsible for the wash trading, but they point to elements of the exchange's crypto-based structure that make it possible.
[ Read more of this story ]( https://tech.slashdot.org/story/25/11/07/1414219/polymarket-volume-inflated-by-artificial-activity-study-finds?utm_source=atom1.0moreanon&utm_medium=feed ) at Slashdot.
robot (spnet, 1) → All – 16:22:01 2025-11-07
An anonymous reader shares a report: The volume of activity on Polymarket, one of the most popular prediction markets, has been significantly inflated by so-called wash trading in which users rapidly buy and sell the same contracts, according to a new study by Columbia University researchers. The "artificial trading," as the authors call it, varied over time but accounted for an average of 25% of all buying and selling on Polymarket over the past three years, the researchers concluded.
The paper, which has not undergone peer review, was posted Thursday on the open-access research platform SSRN. The authors do not suggest that Polymarket itself was responsible for the wash trading, but they point to elements of the exchange's crypto-based structure that make it possible.
[ Read more of this story ]( https://tech.slashdot.org/story/25/11/07/1414219/polymarket-volume-inflated-by-artificial-activity-study-finds?utm_source=atom1.0moreanon&utm_medium=feed ) at Slashdot.