World Series Game 4: Props

Under

Sports

World Series Game 4: Props

Over 8.5 Runs

+ 2 more

$74.0k Vol.

NFL Week 8: Totals

Under

Sports

NFL Week 8: Totals

Dolphins vs. Cardinals Over 46.5

+ 14 more

$16.8k Vol.

NFL Week 16: Totals

Under

Sports

NFL Week 16: Totals

Bengals vs. Browns o46.5

+ 12 more

$292k Vol.

2

Total Over/Under 48.5

Under

Sports

Total Over/Under 48.5

Over

$57.4k Vol.

-1

Tim Walz DNC Speech: O/U 30 minutes?

Tim Walz DNC Speech: O/U 30 minutes?

Under

$19.1k Vol.

17

NFL Week 5: Totals

Under

Sports

NFL Week 5: Totals

Vikings vs. Jets Over 40.5

+ 12 more

$4.0k Vol.

How long will Kamala Harris's DNC speech be?

How long will Kamala Harris's DNC speech be?

30-45 min

$425k Vol.

4

Frequently Asked Questions

Polymarket is the world's largest prediction market, where you can stay informed and profit from your knowledge by trading on things related to breaking news, politics, sports, elections, crypto, finance, tech, culture, including topics like Under.

Polymarket currently hosts 7 active markets for Under that lets you track or trade on predictions like "World Series Game 4: Props". Whether you are tracking widely debated events or niche outcomes, the platform aggregates real-time odds based on over $888K in trading volume, providing a comprehensive view of fan and investor sentiment.

Each polymarket is a yes/no question, like "Tim Walz DNC Speech: O/U 30 minutes?". You buy shares in "yes" or "no" outcomes. Prices reflect crowd-sourced odds and probabilities. For example, if yes is at 30 cents, that's a 30% chance. Markets resolve based on official results. For multi-outcome events, like "How long will Kamala Harris's DNC speech be?," you simply trade on the specific outcome you think will win.

As of today, the most active market is "How long will Kamala Harris's DNC speech be?," where the crowd is currently assigning a 100% chance to 30-45 min. These odds update in real-time as new information emerges and users trade, offering a dynamic snapshot of what the market believes will happen compared to traditional bookmaker odds.

It cuts through the noise. Unlike polls or punditry, Polymarket shows you real-time odds on Under predictions backed by financial conviction that are often faster and more accurate than experts or surveys. You get an unbiased view of what thousands of traders think will actually happen, often more accurate than polls. Plus, you can trade shares and potentially profit if your predictions are spot on.