Polymarket is replacing single-price snapshots with time-weighted average prices for its short-dated crypto markets after research and trader complaints highlighted widespread settlement manipulation:
A study found that 821 accounts made $8.2 million in settlement windows classified as likely manipulated:
Polymarket stated that these changes aim to protect market integrity:
The new system, which uses Chainlink Data Streams and short TWAP windows, mirrors safeguards used by rival platform Kalshi:
