Predictions › Stocks & companies SpaceX or OpenAI higher IPO Market Cap? Polymarket Closes Dec 31, 2027 · $13.2K traded · prices read 39 min ago
SpaceX 74% ▼ 2 OpenAI 26% ▲ 2
Not enough history yet.
Each outcome's chance over time, from its prices on Polymarket.
Traders see an even chance of trading as high as $167.50 and as low as $157.01 .
Reaches $165 70% Reaches $167.50 50% Reaches $170 35% Reaches $172.50 23% Falls to $162.50 65% Falls to $160 65% Falls to $157.50 54% Falls to $155 36% Already reached: ↑ $165, ↓ $162.50
$130 $200
Median $162.31 Middle half $156.98 – $167.82 Above today's price 44%
$80 $220
Median $162.31 Middle half $149.63 – $175.71 Above today's price 48%
Traders see an even chance of trading as high as $173.06 and as low as $151.54 .
Reaches $165 85% Reaches $170 61% Reaches $175 43% Reaches $180 31% Falls to $160 71% Falls to $155 64% Falls to $150 44% Falls to $145 28% Already reached: ↑ $175, ↑ $170, ↑ $165, ↑ $160, ↑ $155, ↑ $150
NVIDIA 80% ▼ 5 Apple 17% ▲ 3 Alphabet 2% SpaceX <1% 4 more Microsoft <1% Tesla <1% Saudi Aramco <1% Amazon <1% NVIDIA 62% ▼ 3 Other 34% Apple 4% ▲ 2 SpaceX <1% 6 more Alphabet <1% Tesla <1% Saudi Aramco <1% Broadcom <1% Microsoft <1% Amazon <1% Odds are traders' prices on Kalshi and Polymarket, not forecasts by 4Search. Read from the venues just now. Prices may be delayed up to 15 min. Not investment advice.
Trading closes Dec 31, 2027 11:59 PM ET
Traded $13.2K traded
Prices read 39 min ago
Followed since Oct 12, 2026
The full rules are on the market's page at Polymarket .
Reading the odds Each price is the market's probability: a contract at 84¢ that pays $1 if the outcome happens means traders give it an 84% chance. The number shown is the midpoint between the best bid and offer, or the last trade when they are more than ten cents apart.
Every prediction market
Market data is provided for information only and comes from free public sources. Prices may be delayed up to 15 minutes; data may be incomplete or inaccurate. Nothing on this page is investment advice or a recommendation to buy or sell any security. News and coverage analytics are drawn from the 4Search index. Terms of use .