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Trump's eldest son is associated with Kalshi and Polymarket, raising concerns about conflicts of interest and information advantages

According to Fortune, the Trump family is accelerating its entry into the prediction market space, with the Trump Media Technology Group developing a prediction market platform called TruthPredict, allowing users to trade prediction contracts related to significant events. The company has also launched the Truth API, providing Wall Street with quick data access to Truth Social content. Additionally, Donald Trump Jr., the eldest son of Trump, currently serves as a strategic advisor to Kalshi, and his venture capital firm 1789 Capital has invested in competitor Polymarket and joined the advisory board of Polymarket. This means the Trump family is simultaneously associated with the two major prediction market platforms, while the Trump Media Group is building its own prediction market business.Although there is currently no public evidence showing that Donald Trump Jr. or the Trump family is trading on government insider information, the potential conflicts of interest arising from the intertwining of presidential public information, market trading, and family business interests are drawing external attention. Federal agencies are still investigating whether former White House teleprompter operator Gabriel Perez used advance knowledge of Trump's speech content to trade in related markets on Kalshi. The team of Donald Trump Jr. and the Trump Media Technology Group have yet to formally respond to requests for comments regarding insider trading related to the prediction market.

Polymarket will upgrade the settlement rules for the cryptocurrency rise and fall market: abandoning the single price snapshot and switching to a time-weighted average price

According to official news, the prediction market Polymarket announced a significant adjustment to its settlement mechanism for cryptocurrency price fluctuation markets starting from August 7, to protect market integrity. From midnight UTC on that day, the affected markets will no longer settle based on a single price snapshot at a specific time but will instead use a time-weighted average price.Markets of different durations correspond to different TWAP windows: all cryptocurrency 5-minute markets will use a 30-second TWAP, 15-minute markets will use a 60-second TWAP, and 4-hour markets will also use a 60-second TWAP. The previous single snapshot settlement method was prone to price manipulation during periods of low liquidity, and this change is a proactive reinforcement of the market integrity system by Polymarket after facing regulatory scrutiny.To support this transition, Polymarket will inject $1 million in liquidity rewards into all affected markets throughout August. On the technical side, Chainlink TWAP testnet data streams are now available, and mainnet data streams along with Polymarket real-time data stream services will go live on August 4, at which point developers can access TWAP prices directly through Chainlink Data Streams or Polymarket's public WebSocket.
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