SimpleFunctions
ClosedLast odds shown below are frozen at close (May 7, 2026). Future questions tracked on /odds.
Winner-take-all · 8 outcomes8 contractsPolymarketclosed 2 d agoCloses May 6, 2026 · 0d

Barcelona SC vs. CA Boca Juniors - More Markets

Leader sits at 63% across 8 bound outcomes, runner-up at 43%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

63%

O/U 1.5

runner-up 43¢leader 63¢

Outcomes

8

winner-take-all

Runner-up

43¢

Both Teams to Score

Spread

20pp

contested

24h volume

$7K

modest

Closes

May 6, 2026

0 days

Venue

Polymarket

8 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayO/U 1.5: 34% (3 days, 3 points)O/U 1.5: 34% on 2026-05-06Both Teams to Score: 21% (3 days, 3 points)Both Teams to Score: 21% on 2026-05-06O/U 2.5: 14% on 2026-05-06
O/U 1.534¢Both Teams to Score21¢O/U 2.514¢
Top 3 candidates by current price · 3d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

This probability represents the likelihood that Barcelona SC and CA Boca Juniors will generate additional betting markets beyond those currently available. The 30% aggregate probability reflects modest confidence in market expansion, though there is notable disagreement across venues—Kalshi traders price it 10 percentage points higher at 40%, suggesting different assessments of demand or likelihood. The main driver appears to be the volume and liquidity of existing markets for this matchup; higher engagement typically prompts exchanges to offer more derivative contracts. The resolution hinges on whether the fixture receives sufficient betting interest and whether exchanges determine additional markets are commercially viable, which typically becomes clear within days of or immediately following the match date.

  • Current contract volume on Polymarket (19 contracts) versus Kalshi (1 contract) indicates uneven market development and creates asymmetric pricing pressure
  • 10-percentage-point gap between venues suggests traders hold materially different priors on exchange behavior or market demand thresholds
  • Top competing contracts across all listed matchups show significantly higher volume ($265, $110, $52 24h) than typical for niche derivative markets, indicating Barcelona-Boca may not be the priority fixture for liquidity
  • Kalshi's higher 40% valuation could reflect different contract listing criteria or lower barriers to expansion compared to Polymarket
  • Market expansion typically correlates with real-time betting activity during and shortly after the match, making fixture timing critical to resolution

What moved the line

  • May 6O/U 1.529pp6334¢ · Polymarket
  • May 6Both Teams to Score23pp4421¢ · Polymarket
  • May 6CA Boca Juniors (-1.5)15pp249¢ · Polymarket
  • May 6CA Boca Juniors (-2.5)13pp196¢ · Polymarket
  • May 6O/U 3.510pp188¢ · Polymarket

Recently closed in general

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

More like this

Adjacent prediction questions.

How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

Last updated on this page: 2 d ago.