Overtime Markets

Overtime Markets was launched in 2022 by the Thales Core Council—a decentralized governance council elected by stakers of the Thales (later rebranded to OVER) protocol. Engineered as an on-chain, peer-to-contract sports betting protocol on Ethereum Layer-2 networks (Optimism and Arbitrum), Overtime eliminated traditional sportsbook frictions such as forced identity verification (KYC), account limits on winning traders, and centralized custody. Instead of matching order books or taking counterparty risk, Overtime utilizes an Automated Market Maker (AMM) architecture derived from binary option mechanics.

To establish fair market pricing without a centralized oddsmaker, Overtime routes real-time data feeds via Chainlink oracles that scrape benchmark odds from global market venues like Pinnacle. The protocol dynamically adjusts its odds using a dynamic "skew mechanism": when heavy capital flows onto one side of an outcome, the AMM automatically reduces payout odds for the backed side while boosting yields on the unbacked side. This incentivizes arbitrage traders to rebalance the protocol’s net exposure, protecting the vault liquidity pool from directional market risk.

Over time, Overtime expanded its sports derivative offerings from simple moneyline, spread, and total bets into complex single-game parlays (Parlay AMM) and multi-leg cross-sport parlays. By issuing positions as ERC-20 binary outcome tokens (settling at $1.00 for winning outcomes and $0.00 for losing outcomes), traders can sell or hedge their positions on secondary decentralized markets prior to match completion. Rebranded alongside its native governance ecosystem under the OVER token ticker, Overtime remains one of the largest non-custodial sports prediction protocols in decentralized finance.