Resolution criteria on PolyGram: Investor Bill Ackman proposed on X that Elon Musk take SpaceX public through a merger with Pershing Square SPARC Holdings Ltd., a company founded and run by Ackman to innovatively transact public offerings through the use of Special Purpose Acquisition Rights or “SPARs” (see: https://x.com/BillAckman/status/2002484983123136990). This market will resolve to “Yes” if either of the following conditions are met: - An agreed merger or business combination deal between SpaceX and Pershing Square SPARC Holdings Ltd. is officially announced by December 31, 2026, 11:59 PM ET.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| SpaceX goes public through Bill Ackman "SPAR" company? | 8% YES | 92% NO |
Bill Ackman has publicly proposed that Elon Musk take SpaceX public through a merger with Pershing Square SPARC Holdings Ltd., Ackman's vehicle designed to facilitate public offerings via Special Purpose Acquisition Rights. The proposal emerged in late 2024 as an alternative to traditional IPO structures. SpaceX remains privately held with a valuation exceeding $180 billion as of recent funding rounds, making it one of the world's most valuable private companies. Musk has shown no public indication of pursuing a near-term liquidity event for SpaceX, historically prioritising operational control and long-term capital allocation for space infrastructure development.
SPARC itself remains untested at scale in the US market. Ackman's vehicle has faced regulatory scrutiny and delays since its 2021 inception, with no completed SPAR transactions to date. Comparable precedents—traditional SPACs and direct listings—show mixed outcomes, though neither directly parallels Ackman's proposed structure. The 9% implied probability on Polymarket reflects substantial scepticism about both the likelihood of Musk accepting this path and regulatory clearance within the two-year window.
Key catalysts include any public statements from Musk or SpaceX leadership regarding capital structure changes, regulatory developments affecting SPAR mechanics, and SpaceX's operational milestones that might trigger liquidity considerations. The settlement deadline of 31 December 2026 compresses the timeframe considerably; an announced deal would need to materialise within approximately 24 months from the proposal date. Current order book pricing reflects the structural and execution risks embedded in this scenario.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
The mechanics for trading "SpaceX goes public through Bill Ackman "SPAR" company?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$3K in lifetime turnover and $2K of resting liquidity puts this market in the below the median by volume for elon musk contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for 5 months — the price has had time to stabilise as new information arrived.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
As of today, traders on Polymarket price this outcome at 8%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 31 December 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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