Polymarket values itself at $15 billion and is in talks for a new $400 million funding round

According to a report from The Information dated April 20, 2026, prediction market platform Polymarket is in talks for a new funding round of $400 million at an estimated valuation of about $15 billion. At the same time, competing platform Kalshi is also reportedly in a funding round discussion stage with a valuation nearing $20 billion, though the specific terms of the financing have not yet been publicly disclosed.

Polymarket Funding Round Details

According to The Information, the target amount for Polymarket’s current funding round is $400 million, with a negotiation valuation of roughly $15 billion, and the final terms are still pending.

Regarding Polymarket’s platform trading volume, based on the data cited in the article, Polymarket’s weekly nominal trading volume is about $1.9 billion, Kalshi’s weekly nominal trading volume is about $1.87 billion, and trading on both platforms is spread across thousands of markets covering sports, politics, popular culture, and corporate events, among others.

Status of Major Tech Company IPO Contracts

Based on the current publicly available data on the Polymarket platform, the following are some of the market-implied probabilities for active contracts:

OpenAI IPO: The market-implied probability of completing an initial public offering by December 31, 2026 is 40%

SpaceX IPO (June): The market-implied probability is 52%

SpaceX IPO (September): The market-implied probability is 85%

These contracts allow users to trade the outcome of specific events in the form of “Yes” or “No” stocks, with final settlement based on official announcements and reliable news sources. OpenAI recently completed a $122 billion funding round, reaching a valuation of $852 billion and generating monthly revenue of about $2 billion; the above platforms all have contract markets tracking related corporate events.

Frequently Asked Questions

What are the size and valuation of Polymarket’s funding round this time?

According to a report from The Information dated April 20, 2026, Polymarket is in talks for a new funding round of $400 million at an estimated valuation of about $15 billion. The discussions are still ongoing, and the final terms have not yet been publicly disclosed.

What market probabilities for major tech company IPOs does Polymarket currently show?

Based on the current publicly available data on the Polymarket platform, OpenAI’s market-implied probability of going public before December 31, 2026 is 40%; SpaceX’s probability of going public in June is 52%, and in September is 85%.

How much are Polymarket’s and Kalshi’s weekly nominal trading volumes, respectively?

Based on the data cited in the article, Polymarket’s weekly nominal trading volume is about $1.9 billion, Kalshi’s is about $1.87 billion. Trading on both platforms is spread across thousands of markets covering sports, politics, and corporate events, among others.