Terminal
Infiniti Feed

Kalshi dominates as tracked prediction market volume reaches $4.80 billion

The DeFi Rate volume tracker puts October 31 trading to date at 4.80 billion dollars across nine venues, up from 2.63 billion dollars earlier in the day. Kalshi accounted for 4.15 billion dollars of the total, ahead of Polymarket US at 361 million dollars and Polymarket at 199 million dollars.

According to DeFi Rate’s volume tracker, prediction-market trading across nine venues reached $4.80 billion so far on October 31, 2026. The update was published at 8:30 PM ET.

That compares with $2.63 billion recorded earlier in the day. The figures represent trading to date, rather than a final daily total.

Kalshi accounts for most tracked activity

Kalshi contributed $4.15 billion of the $4.80 billion total, according to DeFi Rate, placing it well ahead of the other named platforms.

Polymarket US recorded $361 million, while Polymarket registered $199 million. The tracker lists those venues separately, with Polymarket US ahead on reported volume.

What it means for prediction markets

  • The increase from $2.63 billion earlier in the day to $4.80 billion makes the timing of tracker snapshots important when comparing activity.
  • Kalshi’s $4.15 billion accounted for most trading across the nine tracked venues; the aggregate therefore reflects a heavily concentrated distribution.
  • These volume figures describe trading activity, not changes in contract prices or implied probabilities.
KalshiPolymarketInfiniti MarketsInfiniti Signals

Sources & attribution

Published
  1. Source
    DeFi Ratedefirate.com
    Publisher
    https://defirate.com
    Source URL
    The feed did not publish this story's article address.

Full attribution under the Digital Millennium Copyright Act (DMCA), 17 U.S.C. § 512: this article is an original report by Infiniti Intelligence that summarizes the reporting of the publishers named above, links to their original work, and reproduces no protected expression beyond brief factual reference and in-line attribution (“according to DeFi Rate”). All rights in the underlying reporting remain with the publishers listed; nothing here implies endorsement by or affiliation with them. Rights holders may request correction, update or removal through the contact address published at infiniti.w3ai.io.

Related