Early Friday, X confirmed that crypto prediction market Polymarket will serve as its official prediction-market partner, an arrangement that marries real-time betting probabilities with the constant flow of posts across X.

The deal arrives after Polymarket processed more than US$8 billion in wagers last year, even while blocking U.S. users, and aligns with Elon Musk’s long-stated belief that crowd forecasts often outshine traditional polls.

X’s first foray into event-wagering data began—and ended—with Kalshi. Late in May, the regulated U.S. exchange issued a press release trumpeting an alliance with Musk’s platform. Bloomberg reported that within hours, the notice vanished, and Kalshi confirmed the deal had been “rolled back.”

The reversal also hinted at friction between Kalshi’s strictly regulated model and X’s global ambitions.

Key moments that derailed the initial plan:

Just weeks later, X shifted toward the crypto sphere, naming Polymarket its official prediction-market partner.

The shift aligned with Musk’s preference for decentralized solutions that can scale internationally without traditional brokerage constraints. Unlike Kalshi, Polymarket already runs on blockchain rails and caters largely to non-U.S. bettors, easing many of the jurisdictional headaches that torpedoed the previous attempt.

Shayne Coplan, Polymarket’s chief executive, marked the announcement with an energetic post.

The official X account echoed the sentiment hours later. Curiously, Musk himself stayed silent, letting the companies’ statements speak for him, a contrast to his usual hands-on approach but one that showed confidence in the market-driven product.

X plans to weave Polymarket probabilities directly into the social feed, turning fast-moving conversations into a live dashboard of crowd sentiment. Instead of leaving for a separate site, users will see a small odds widget pinned beneath trending posts, updating in real time.

When a hot topic (e.g. an election, a sports final, or a Federal Reserve rate decision) surges on the timeline, the overlay will surface the latest numbers from the crypto prediction market and link to the full contract on Polymarket for those outside restricted jurisdictions.

What users can expect at launch:

X will also lean on X’s AI Grok to decode swings in the market.

Grok will scan fresh posts, on-chain trade flows, and historical data to draft one-line summaries to help readers understand why a contract moved without sifting through thousands of comments: “Odds for a June rate hike slipped three points after Powell’s press conference,” for instance.

Key layers in the explanatory stack:

By threading Polymarket’s live probabilities into every corner of the timeline, X is betting that data-driven foresight will become as habitual as scrolling a feed. If the experiment succeeds, users may soon weigh a politician’s promise or a company’s earnings hint against an instantly updated crowd forecast.

Yet the stakes run deeper than a slick new widget.

X must manage hard regulatory lines and ethical gray zones, proving it can spotlight prediction data without morphing into an unlicensed betting house or amplifying manipulative whale trades. Whether the platform threads that needle will determine if this partnership becomes a fixture of daily discourse or a cautionary tale.

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