Anthropic's valuation hit (HIGH) $2.5T by December 31 priced at 36.5% on Polymarket, up 5.5 points, on $517K traded

Polymarket priced the chance of Anthropic reaching a $2.5T valuation by December 31 at 36.5%, up 5.5 probability points, with $517K traded, in the supplied market update published Oct 30, 2026, at 6:09 AM ET.

The higher price represents a shift in traders’ expectations, not confirmation that Anthropic has reached that valuation. The supplied material does not identify a new company announcement explaining the move.

A repricing without a clear catalyst

The accompanying news scan found no significant new platform headline in the preceding 30 minutes. Its search returned previously reviewed material, leaving no fresh reported catalyst established for the Anthropic contract’s increase.

According to predictionbubbles.net, its movers board compares probabilities over 24 hours and refreshes every 15 minutes using prices from Polymarket and Kalshi. The supplied page records a venue-data snapshot of 30 Oct 2026, 10:10 UTC, but its text does not display the specific Anthropic valuation contract’s figures.

Reading the market signal

Predictionbubbles.net ranks moves by their absolute size in probability points, rather than relative percentage changes. Its rankings cover 2,037 markets lasting longer than 14 days and exclude contracts without a valid 24-hour comparison.

That methodology separates price movement from trading activity. The $517K traded provides context for the Anthropic update, but the supplied material does not establish order-book depth or the contract’s detailed settlement criteria.

What it means for prediction markets

• Expectations rose, but remain below 50%: The reported 36.5% price still puts the $2.5T outcome below an even chance.
• The move is not a valuation announcement: A 5.5-point increase records a change in pricing, not evidence that Anthropic has achieved the threshold.
• Causation remains unclear: The news scan supplies no fresh headline linking the repricing to a specific development.
• Volume is only part of the picture: The $517K traded does not, by itself, establish liquidity or explain how the contract will resolve.