Polymarket, the world's largest prediction market, is now topping $4.5B in total volume with markets spanning politics, sports, crypto, and finance. Prices represent crowd-assessed probabilities — a share at $0.75 implies ~75% likelihood. Here are the hottest markets right now.
1. US-Iran Peace Deal Dominates Political Markets
The US-Iran permanent peace deal question is the single most-active geopolitical market. Traders assign 81% probability to a deal by December 31, 2026, backed by $183M in volume with $10M traded today alone. The Iran ceasefire is rated 97% likely to hold through May 24, while a new US-Iran agreement extension by June 30 sits at 81%. The market on Iran closing its airspace by June 30 trades at just 35% — reflecting genuine uncertainty about escalation paths.
2. 2028 US Presidential Election — $2.4B in Combined Volume
The 2028 election cycle is already the largest prediction-event complex ever assembled:
3. Sports Mega-Events Drive Record Trading
The 2026 FIFA World Cup has generated $1.2B in volume — the largest single market in Polymarket history. France leads at 18%, though 20+ teams have meaningful odds. The 2026 NBA Finals market sits at $399M with Oklahoma City Thunder the favorite at 49%. The F1 Drivers' Championship (Kimi Antonelli, 55%) and NHL Stanley Cup ($80M) round out the major sports complex.
4. Israel Politics — Netanyahu and the Future
The "Netanyahu out by March 31" market has $104M in volume at high implied probability, reflecting deep uncertainty about Israeli political timelines. Starmer-out markets total $30M with 97% Fed no-change consensus driving another $41M.
5. Crypto and Finance Markets
Bitcoin failing to reach $150k by year-end is priced at just 10% ($18M vol). WTI Crude Oil May 2026 markets show 44% odds for sub-$85 oil ($30M vol). MicroStrategy Bitcoin sale timelines trade actively ($31M).
6. Elon Musk Tweet Markets
A quirky but highly traded market on Musk's tweet frequency (260-279 tweets, May 19–26) is priced at 76% with $8M volume — reflecting crowd-tracking of the DOGE-linked figure's social media habits.
| Market | Category | Volume | Lead Odds |
|---|---|---|---|
| 2026 FIFA World Cup Winner | Sports | $1,205M | France 18% |
| Democratic Nominee 2028 | Politics | $1,161M | Newsom 24% |
| Republican Nominee 2028 | Politics | $640M | Vance 34% |
| Presidential Winner 2028 | Politics | $601M | Vance 18% |
| 2026 NBA Champion | Sports | $399M | OKC Thunder 49% |
| UEFA Champions League Winner | Sports | $256M | Various |
| Netanyahu out by March 31 | Politics | $120M | High % |
| Brazil Presidential Election | Politics | $87M | Lula 40% |
| 2026 NHL Stanley Cup | Sports | $80M | Various |
| MicroStrategy sells Bitcoin | Crypto | $31M | Various dates |
Report generated 2026-05-26. Data sourced from Polymarket.com via Gamma API and web scraping. Volume figures are total traded unless noted.
Source: polymarket.com, gamma-api.polymarket.com
Data generated on 2026-05-26