On-Chain Stocks Could Misprice Over Weekends, Triggering Arbitrage Risks: RedStone
Tokenized stocks trading 24/7 on-chain risk price dislocation against traditional markets closed on weekends, creating arbitrage opportunities.Summary
Marcin Kaźmierczak, co-founder of oracle provider RedStone, highlights a critical risk emerging from the tokenization of real-world assets (RWAs): the weekend trading gap. Since crypto markets operate 24/7 while traditional finance (TradFi) markets like Nasdaq close from Friday evening to Monday morning, tokenized stocks can trade at prices disconnected from their real-world value during this window.
This 'price dislocation' occurs because oracles, which feed external data to the blockchain, typically freeze equity price feeds when U.S. markets close. If a significant event impacts a company over the weekend, on-chain tokens could continue trading based on stale data, leading to massive arbitrage opportunities or leaving DeFi lending protocols under-collateralized.
Kaźmierczak notes that while most tokenized stock activity is currently centralized, the industry goal is permissionless DeFi trading, exacerbating the issue. He suggests that protocols should adopt 'Pull' oracle models, where data is fresh upon user interaction, rather than the currently dominant 'Push' model, to mitigate the inherent risks of 24/7 tokenized finance.
(Source：CoinDesk)