The Prediction Markets

Naples: Daniel Altmaier vs Federico Bondioli

Closed
Apr 4, 2026
Traded
$198K
Venues
Polymarket
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This market has closed

Trading ended on Apr 4, 2026. The prices below are the last ones before it closed and no longer update. Browse open markets

Odds by venue

Consensus blends each venue’s last price, weighted by how much has traded there. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.

Prices come from our regular polls of each venue, the oldest 208 days ago. Ages are as of when this page was built.

  • Polymarket
Naples: Daniel Altmaier vs Federico Bondioli
100%
Polymarket 100%polled, 5015 h ago
Polymarket
Contract
Naples: Daniel Altmaier vs Federico Bondioli Match O/U 21.5
Last price
100%
As of
Polled 208 d ago
Buy Yes
—
Sell Yes
99.9¢
Volume
$450
Trade this on Polymarket

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: atptour.com

How the odds have moved

The leading outcome on both venues, with the consensus between them. Hover for exact values.

  • Naples: Daniel Altmaier vs Federico Bondioli

About this market

Final prediction market prices for "Naples: Daniel Altmaier vs Federico Bondioli". Naples: Daniel Altmaier vs Federico Bondioli last traded at 100%. $198K has traded across 1 outcome on Polymarket. The market closed on Apr 4, 2026.

This market refers on the tennis match between Daniel Altmaier and Federico Bondioli in the Naples, scheduled for March 28 at 10:30AM ET. This market will resolve to 'Daniel Altmaier' if Daniel Altmaier advances against Federico Bondioli. This market will resolve to 'Federico Bondioli' if Federico Bondioli advances against Daniel Altmaier. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Questions

What does the consensus price mean?

It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.

How is the payout worked out?

A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.

Why do the venues show different prices?

Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.

Is a price gap an arbitrage?

Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.

How fresh are these prices?

Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.

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