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    Home»Ethereum»Coinbase’s Armstrong Disrupts Prediction Markets During Q3 Earnings Call
    Ethereum

    Coinbase’s Armstrong Disrupts Prediction Markets During Q3 Earnings Call

    Ethan CarterBy Ethan CarterOctober 31, 2025No Comments2 Mins Read
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    Brian Armstrong, the CEO of Coinbase, made waves during the final moments of Thursday’s third-quarter earnings call by listing various crypto buzzwords that users on Kalshi and Polymarket had bet would be mentioned, resulting in all markets resolving to “yes.”

    A number of users from Kalshi and Polymarket were thrilled that their bets were successful right at the end. Conversely, others were understandably shaken by how easily a prediction market could be disrupted.

    “I got a bit sidetracked tracking the predictions market regarding Coinbase’s comments in their upcoming earnings call, and I wanted to make sure to mention the words Bitcoin, Ethereum, blockchain, staking, and Web3 before the call concluded,” Armstrong stated.

    The Kalshi and Polymarket markets about “What will Coinbase say during their next earnings call” saw $80,242 and $3,912 worth of bets placed.

    This comprised 24 users on Polymarket, with none losing more than $12 on an individual bet.

    On X, Armstrong remarked that it happened “spontaneously when someone on our team dropped a [prediction markets] link in the chat.”

    lol this was fun – happened spontaneously when someone on our team dropped a link in the chat https://t.co/tQiV3B9jUj

    — Brian Armstrong (@brian_armstrong) October 31, 2025

    Armstrong seemed to delight more punters than not

    Almost all users in the comments section expressed their satisfaction with Armstrong’s last-minute inclusion of the previously unmentioned crypto buzzwords.