Largest IPO by market cap in 2026?
ExchangeCorporate ActionsOne-OffSpaceWeatherForeign ExchangeEquitiesFedBusiness & CorporateAITech5mo
PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedCurrent implied probability
SpaceX 86%Leader of 74 outcomes
Market quality
68 / 100
Medium quality24h Volume
$4.7K
Liquidity
$879.8K
High liquidityBid / Ask
- / 0.1%
Market data
Updated 10 minutes ago
Feb 2, 26, 10:34 PMDec 31, 26, 12:00 AM
Trends
0%
0%
Paper funds only — no real moneyNot financial advice
Selected outcome
SpaceX86%
Compare venues· SpaceX
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
| PolymarketThis pageBest overall | Medium | 86% | — | $4.7K | $879.8K | 10 minutes ago | |
 Manifold Markets89% match · auto | — | 79% | — | — | — | 9 hours ago | Open → |
Also available on Manifold Markets
Largest IPO by market cap in 2026?
5mo
+4.4%78.7%
-4.3%19.3%
-0.2%2.1%
+1 more outcomes
Community forecast58 forecastersType: multiple choice
MANIFOLD MARKETSRules
This market will resolve to the company that achieves the highest market capitalization in U.S. dollars based on the official closing price on its first trading day in 2026.
- This market will resolve to a company that completes an Initial Public Offering (IPO) between January 1 and December 31, 2026, 11:59 PM ET.
- Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day.
- If two or more companies have exactly equal highest closing market capitalizations, this market will resolve to the company whose listed name comes first alphabetically.
- Resolution will be based on the primary exchange’s official listing page.
- In the event that the relevant figure is not displayed, another reliable source will be used.
Probabilities may differ due to different market structures, fees, and participant pools.
Large trades
$1.1k85.0%POLYMARKETYes0x122c…fbed24d ago
POLYMARKETYes0x122c…fbed24d ago$2.3k11.9%POLYMARKETYesObamnna24d ago
POLYMARKETYesObamnna24d agoVolume trend
$4.7kJul 225d of dataJul 26
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MANIFOLD MARKETSActive in these topics
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This market will resolve to the company that achieves the highest market capitalization in U.S. dollars based on the official closing price on its first trading day in 2026.
- This market will resolve to a company that completes an Initial Public Offering (IPO) between January 1 and December 31, 2026, 11:59 PM ET.
- Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day.
- If two or more companies have exactly equal highest closing market capitalizations, this market will resolve to the company whose listed name comes first alphabetically.
- Resolution will be based on the primary exchange’s official listing page.
- In the event that the relevant figure is not displayed, another reliable source will be used.