Polymarket traders have raised the implied probability that Anthropic will reach a $150 billion valuation this year to 76%, up 13 percentage points over 24 hours, while the odds of hitting $125 billion climbed to 92%, up 8 points. The market is being tracked by PPP prediction market tools. Under the contract's settlement rules, the primary reference is Anthropic's private-market valuation published by Nasdaq Private Market, with an IPO or direct listing also counting through the official offering-price valuation and the company's post-listing public market capitalization. The Polymarket page currently cites Nasdaq Private Market data showing Anthropic at about $113 billion. The move comes after The Wall Street Journal reported that Anthropic is planning a public listing in September or early October, though pricing and timing have not been disclosed. If the listing goes ahead, it could become one of the largest IPOs on record.