Predictions today · Tennis

Sofia Costoulas vs Marina Bassols Ribera prediction

November 3, 2026 · 19:00 UTC · Tennis · WTA

Sofia Costoulas vs Marina Bassols Ribera — tennis, WTA. Kickoff November 3, 2026, 19:00 UTC. Below: the market odds, how much the biggest Polymarket players have put on this match and where. PrognosX tracks big sports bets by smart wallets and shows every result, losses included.

Teams: Sofia Costoulas · Marina Bassols Ribera

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Match preview

The Polymarket market makes Marina Bassols Ribera the favourite: 64% chance, odds 1.55. Odds: Sofia Costoulas — 2.82, Marina Bassols Ribera — 1.55. In the last 24 hours the chance of Sofia Costoulas went down from 38% to 36% (odds 2.63 → 2.82): the market believes in it less. The chances add up to 100%: the market margin is about 0.0% (bookmakers usually take 4–8%). Over 30 days, big pre-game bets by tracked whales in WTA: 43, 25 won (58%). $10 on each would be +$18 after fees. Copying every whale is not a strategy — that is why PrognosX picks Smart whales (they beat the closing line).

Questions about the match

Who will win Sofia Costoulas vs Marina Bassols Ribera?

By market prices on Polymarket, Marina Bassols Ribera is the favourite with a 64% chance. That is the crowd's estimate, not a guarantee.

What are the odds for Sofia Costoulas vs Marina Bassols Ribera?

Sofia Costoulas — 2.82, Marina Bassols Ribera — 1.55 (decimal odds = 1 / Polymarket price). They change until kickoff.

How have the odds for Sofia Costoulas vs Marina Bassols Ribera changed?

In the last 24 hours the chance of Sofia Costoulas went down from 38% to 36% (odds 2.63 → 2.82): the market believes in it less.

Do whales win in WTA?

Over 30 days, big pre-game bets by tracked whales in WTA: 43, 25 won (58%). $10 on each would be +$18 after fees. Copying every whale is not a strategy — that is why PrognosX picks Smart whales (they beat the closing line).

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How we make this page

Odds are live Polymarket prices (1 / price). Whale money is real on-chain bets by tracked wallets — every one can be checked. Which side they took is shown after kickoff. Before the game — in the app. We show losses too: how we tested 634,000 whale bets · daily predictions.

Updated 06:22 UTC. 18+. Not betting advice.