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Anthropic IPO by November 20, 2026 priced at 66.0% on Polymarket, up 37.0 points, on $50K traded

PredictionBubbles' movers board lists the Anthropic November 20 IPO contract as its largest upward move, in a fundraising/business category distinct from the lead. It…

Anthropic contract leads upward moves

Polymarket’s contract on whether Anthropic will IPO by November 20, 2026 was priced at 66.0%, up 37.0 probability points over 24 hours, with $50K traded. According to PredictionBubbles’ movers board, it was the largest upward move, appearing in the fundraising/business category.

The snapshot underlying the board was read from the venues on 27 Oct 2026, 05:41 UTC. PredictionBubbles updates its data every 15 minutes, making the figures a time-specific reading rather than a fixed assessment of Anthropic’s prospects.

A price shift, not an IPO announcement

The supplied material identifies no company announcement, filing or other catalyst explaining the repricing. It documents a change in traders’ expectations about the November 20, 2026 deadline, not confirmation that Anthropic will complete an IPO by then.

According to PredictionBubbles, the board covers Polymarket and Kalshi and ranks changes by probability points rather than relative percentage gains. Trading volume and liquidity provide context but do not affect a market’s position in the ranking.

The comparison universe comprised 2,043 markets lasting longer than 14 days. Only open contracts with a valid 24-hour price comparison qualified; resolved markets and those too new to have a day-old baseline were excluded. That scope matters: the leading upward move is a distinction within the board’s eligible markets, not necessarily every contract trading on either venue.

What it means for prediction markets

  • Deadline-specific expectations: The 66.0% price concerns an Anthropic IPO by November 20, 2026, rather than an IPO at any future date.
  • Magnitude is not confirmation: The 37.0-point rise captures a substantial repricing, but the supplied reporting does not establish what prompted it.
  • Volume needs context: The $50K traded adds information about activity, but does not by itself establish market depth or explain the move.
PredictionMarketsPolymarket

Sources & attribution

  1. [1]Predictionbubbles (predictionbubbles.net)https://predictionbubbles.net/markets/movers/

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