This report prepared for the Ontario Problem Gambling Research Centre found that 60% of machine revenue was derived from problem gamblers and that 35% of total gambling revenue was derived from moderate and severe problem gamblers.
“They Looked Like They Were Getting Rich on Polymarket— but None of It Was Real” | Wall Street Journal
June 22, 2026
By Katherine Long, Caitlin Ostroff, Neil Mehta and Brenna T. Smith “The prediction market has flooded social media with deceptive