Reading Time: 3 minutesKey Takeaways:

Polymarket will use Nasdaq Private Market data as an official source of truth to settle private company contracts.
The platform is moving beyond politics and macro news to launch major markets covering private valuations, funding rounds, and IPO timelines.
The deal directly responds to massive retail interest in high-profile, unlisted companies like OpenAI and SpaceX.

Polymarket has signed a data partnership with Nasdaq Private Market to settle prediction contracts for private giants like SpaceX and OpenAI, turning retail speculation into a structured price discovery tool.

We’re excited to announce our exclusive partnership with Nasdaq Private Market.
Retail traders can now get exposure to private companies, one of the historically most profitable asset classes, exclusively through Polymarket. pic.twitter.com/ThotQNwlzW
— Polymarket (@Polymarket) May 19, 2026

A Standardized Source of Truth for Private Markets
The leading prediction platform Polymarket has finalized an agreement with Nasdaq Private Market to transform how users bet on unlisted tech giants. Polymarket will use Nasdaq’s institutional private trading data as an official source of truth to resolve and close event contracts. Betting on private companies was difficult because official data was hard to verify. This partnership changes that, allowing Polymarket to settle complex contracts regarding company valuations, secondary market activity, and IPO timing using standardized and verified data.
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Capturing Mass Retail Interest in SpaceX and OpenAI
The driving force behind this partnership is the demand from retail investors who want exposure to influential, non-public companies. Polymarket already hosts incredibly active trading pools focused on entities like SpaceX and OpenAI, with users betting on questions such as “What will SpaceX’s IPO valuation be?” or whether OpenAI will hit specific valuation benchmarks before a certain deadline. Because regular retail investors can’t buy shares in these private giants, Polymarket has become the primary venue for the public to express opinions on their growth.
Retail traders can now get exposure to private companies through Polymarket
The Mechanics of Objective Contract Resolution
The importance of this deal is how it removes interpretation from the betting process. By tying contract resolutions to Nasdaq Private Market data, Polymarket makes sure that the final outcomes of these bets are transparent and clear.
Eliminating Subjective Media Bias
Instead of relying on leaked memos or vague media reports to decide who wins a bet, the platform now has a concrete mechanism to settle questions about private market evaluations. This shift prevents disputes caused by conflicting news sources and ensures that contract settlements are based entirely on hard, unalterable transaction records.
Building Institutional Credibility
By moving away from speculative rumors and shifting toward regulated market feeds, Polymarket adds a layer of institutional credibility to prediction markets. This transition turns casual bets into structured financial products that professional traders can use to hedge risks, bringing a new level of trust and maturity to the entire forecasting ecosystem.
A New Layer of Price Discovery for Tech Companies
This collaboration is an evolution for the prediction market ecosystem, which traditionally focused on elections, sports, and macroeconomic indicators. Financial analysts note that by deepening focus on private markets, Polymarket is creating a new form of price discovery for the private tech sector.
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