Weekly Prediction Market Trading Volume and Open Interest Continue to Set Records
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a16z crypto cited statistics showing that prediction-market trading volume last week reached 14400000000 USD, while open interest reached a new high for the third consecutive week at 1600000000 USD。
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Key points
Weekly prediction market volume hit $14.4 billion for the first time last week — up from roughly $5-6B at the start of the year. The previous all-time high, roughly $10B, was set only a week prior. Total volume across all platforms is now more than 10x what it was a year ago. Open interest hit $1.6B last week — the third consecutive weekly all-time high. Unlike volume, open interest can only grow when new positions are opened faster than existing ones resolve, so the growth seen here reflects ho
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Why it matters to readers
The source is an article by a professional institution that provides specific weekly trading volume, open interest, and category data, but it also states that the data came from a third party and was not independently verified by a16z.
Watch for subsequent official information and do not make decisions based on a single report.
Risks and unknowns
- Verify the original data and methodology used by each platform to report weekly trading volume and open interest
- Observe whether sports-related trading volume can be sustained after the World Cup ends
- Track the respective breakdowns of non-sports trading volume for Polymarket and Kalshi
- Monitor changes in prediction-market regulation, compliance, and user-fund risks
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