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Kalshi, Polymarket Trading Volumes on some Products Raise Questions Amid Massive Growth

Summary by CNBC
Unusual trading patterns on Kalshi and Polymarket are drawing scrutiny as experts debate whether reported volumes reflect organic market activity.

5 Articles

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Kalshi, Polymarket trading volumes on some products raise questions amid massive growth

Unusual trading patterns on Kalshi and Polymarket are drawing scrutiny as experts debate whether reported volumes reflect organic market activity.

·Englewood Cliffs, United States
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SpaceMoneySpaceMoney

Kalshi and Polymarket Suspected by Inflated Volumes

CNBC report points to questionable volumes in Kalshi and Polymarket products; companies deny wash trading and inorganic activity

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DiarioBitcoinDiarioBitcoin

Kalshi and Polymarket Face Doubts About the Volume of Their Predictive Markets

The volumes of certain Kalshi and Polymarket contracts generate doubts between analysts, just as both platforms use the growth of their activity to support millionaire valuations. Companies deny washing trading, but patterns in low-probability markets and perpetual futures reopen the debate about the quality of those figures.

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TokenPostTokenPost

Kalshi, Polymarket Face Scrutiny Over Trading Volume Patterns

Kalshi attributes activity in Ether perpetuals to liquidity programs, while Polymarket says professional traders exploit pricing differences across international prediction markets.

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CNBC broke the news in Englewood Cliffs, United States on Wednesday, September 30, 2026.
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