The Prediction Markets

Ben Shelton vs Carlos Alcaraz: Exact Match Score

Starts in 7 minKickoff
Traded
$134K
Venues
Polymarket, Kalshi
Prices updated
just now
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What the markets expect

Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz 63.5%

Next is Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz at 52.5%. The venues list this event, but none of their outcomes are matched yet, so prices are shown separately.

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. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
63.5%
Polymarket 63.5%polled, 30s agoBest Yes 64¢ on Polymarket, $100 pays $156 (1.56x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Match O/U 21.5
Last price
63.5%
As of
Polled just now
Buy Yes
64¢
Sell Yes
63¢
$100 on Yes pays
$156 (1.56x)
Volume
$208
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
52.5%
Polymarket 52.5%polled, 30s agoBest Yes 53¢ on Polymarket, $100 pays $189 (1.89x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Match O/U 22.5
Last price
52.5%
As of
Polled just now
Buy Yes
53¢
Sell Yes
52¢
$100 on Yes pays
$189 (1.89x)
Volume
$156
Trade this on Polymarket
Carlos Alcaraz wins 2-0
52%
Kalshi 52%polled, 30s agoBest Yes 53¢ on Kalshi, $100 pays $189 (1.89x)
Kalshi
Contract
Carlos Alcaraz wins 2-0
Last price
52%
As of
Polled just now
Buy Yes
53¢
Sell Yes
52¢
$100 on Yes pays
$189 (1.89x)
Volume
$15K
Trade this on Kalshi
Completed Match
52%
Polymarket 52%polled, 30s agoBest Yes 94¢ on Polymarket, $100 pays $106 (1.06x)
Polymarket
Contract
Completed Match
Last price
52%
As of
Polled just now
Buy Yes
94¢
Sell Yes
10¢
$100 on Yes pays
$106 (1.06x)
Volume
$1K
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
51.5%
Polymarket 51.5%polled, 30s agoBest Yes 52¢ on Polymarket, $100 pays $192 (1.92x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Set Handicap +/-1.5
Last price
51.5%
As of
Polled just now
Buy Yes
52¢
Sell Yes
51¢
$100 on Yes pays
$192 (1.92x)
Volume
$7K
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
50%
Polymarket 50%polled, 30s agoBest Yes 51¢ on Polymarket, $100 pays $196 (1.96x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Game Spread +/-3.5
Last price
50%
As of
Polled just now
Buy Yes
51¢
Sell Yes
49¢
$100 on Yes pays
$196 (1.96x)
Volume
$663
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
43%
Polymarket 43%polled, 30s agoBest Yes 44¢ on Polymarket, $100 pays $227 (2.27x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Match O/U 23.5
Last price
43%
As of
Polled just now
Buy Yes
44¢
Sell Yes
42¢
$100 on Yes pays
$227 (2.27x)
Volume
$148
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
37.5%
Polymarket 37.5%polled, 30s agoBest Yes 38¢ on Polymarket, $100 pays $263 (2.63x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Total Sets: O/U 2.5
Last price
37.5%
As of
Polled just now
Buy Yes
38¢
Sell Yes
37¢
$100 on Yes pays
$263 (2.63x)
Volume
$383
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
30.5%
Polymarket 30.5%polled, 30s agoBest Yes 31¢ on Polymarket, $100 pays $323 (3.23x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Set 1 Winner
Last price
30.5%
As of
Polled just now
Buy Yes
31¢
Sell Yes
30¢
$100 on Yes pays
$323 (3.23x)
Volume
$17
Trade this on Polymarket
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
30%
Polymarket 30%polled, 30s agoBest Yes 32¢ on Polymarket, $100 pays $313 (3.13x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz Set 2 Winner
Last price
30%
As of
Polled just now
Buy Yes
32¢
Sell Yes
28¢
$100 on Yes pays
$313 (3.13x)
Trade this on Polymarket
Show 4 more outcomes
Carlos Alcaraz wins 2-1
25%
Kalshi 25%polled, 30s agoBest Yes 25¢ on Kalshi, $100 pays $400 (4.00x)
Kalshi
Contract
Carlos Alcaraz wins 2-1
Last price
25%
As of
Polled just now
Buy Yes
25¢
Sell Yes
24¢
$100 on Yes pays
$400 (4.00x)
Volume
$14K
Trade this on Kalshi
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
23.5%
Polymarket 23.5%polled, 30s agoBest Yes 24¢ on Polymarket, $100 pays $417 (4.17x)
Polymarket
Contract
Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
Last price
23.5%
As of
Polled just now
Buy Yes
24¢
Sell Yes
23¢
$100 on Yes pays
$417 (4.17x)
Volume
$83K
Trade this on Polymarket
Ben Shelton wins 2-1
13%
Kalshi 13%polled, 30s agoBest Yes 13¢ on Kalshi, $100 pays $769 (7.69x)
Kalshi
Contract
Ben Shelton wins 2-1
Last price
13%
As of
Polled just now
Buy Yes
13¢
Sell Yes
12¢
$100 on Yes pays
$769 (7.69x)
Volume
$10K
Trade this on Kalshi
Ben Shelton wins 2-0
9%
Kalshi 9%polled, 30s agoBest Yes 10¢ on Kalshi, $100 pays $1,000 (10.0x)
Kalshi
Contract
Ben Shelton wins 2-0
Last price
9%
As of
Polled just now
Buy Yes
10¢
Sell Yes
9¢
$100 on Yes pays
$1,000 (10.0x)
Volume
$2K
Trade this on Kalshi

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: atptour.com
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: ATP

How the odds have moved

The top 3 outcomes on both venues, with the consensus between them. Hover for exact values.

  • Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
  • Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz
  • Carlos Alcaraz wins 2-0

Order books

Each venue’s resting orders for the selected outcome’s Yes contract, side by side. Top of book streams live; depth refreshes every 15 seconds.

Polymarket

Open on Polymarket ↗

Top of book

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Best bid
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Spread
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Best ask
—

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Depth · top 8 levels

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Recent trades

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Kalshi

Kalshi doesn’t list Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz for this event.

What your stake buys

Enter a stake to see where it buys the most after fees, using each venue’s live order book.

$
Buy

Loading both order books…

Buys at the asks resting now (taker orders), cheapest after fees first, from order-book snapshots up to 15 seconds old. Fees: Kalshi 0.07 × price × (1 − price) per share, rounded up to the cent; Polymarket 0.05 × price × (1 − price) per share (sports rate). Fee calculator. Estimates only, not advice.

About this market

Live prediction market odds for "Ben Shelton vs Carlos Alcaraz: Exact Match Score". Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz leads at 63.5%. Next is Rolex Paris Masters: Ben Shelton vs Carlos Alcaraz at 52.5%. $134K has traded across 14 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 22, 2026.

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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