The Prediction Markets

Waldo Cortes-Acosta vs. Johnny Walker: Round of Victory

Starts in 42 minKickoff
Traded
$23K
Venues
Polymarket, Kalshi
Prices updated
1 min ago
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What the markets expect

O/U 0.5 Rounds 86.5%

Next is Ends before Round 5? at 74%. 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, the oldest 8 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
O/U 0.5 Rounds
86.5%
Polymarket 86.5%polled, 1 min agoBest Yes 91¢ on Polymarket, $100 pays $110 (1.10x)
Polymarket
Contract
O/U 0.5 Rounds
Last price
86.5%
As of
Polled 1 min ago
Buy Yes
91¢
Sell Yes
82¢
$100 on Yes pays
$110 (1.10x)
Trade this on Polymarket
Ends before Round 5?
74%
Polymarket 74%polled, 1 min agoBest Yes 77¢ on Polymarket, $100 pays $130 (1.30x)
Polymarket
Contract
Ends before Round 5?
Last price
74%
As of
Polled 1 min ago
Buy Yes
77¢
Sell Yes
71¢
$100 on Yes pays
$130 (1.30x)
Trade this on Polymarket
Fight won by KO/TKO?
66.5%
Polymarket 66.5%polled, 1 min agoBest Yes 71¢ on Polymarket, $100 pays $141 (1.41x)
Polymarket
Contract
Fight won by KO/TKO?
Last price
66.5%
As of
Polled 1 min ago
Buy Yes
71¢
Sell Yes
62¢
$100 on Yes pays
$141 (1.41x)
Volume
$34
Trade this on Polymarket
O/U 1.5 Rounds
66.5%
Polymarket 66.5%polled, 1 min agoBest Yes 67¢ on Polymarket, $100 pays $149 (1.49x)
Polymarket
Contract
O/U 1.5 Rounds
Last price
66.5%
As of
Polled 1 min ago
Buy Yes
67¢
Sell Yes
66¢
$100 on Yes pays
$149 (1.49x)
Volume
$454
Trade this on Polymarket
Ends before Round 4?
64%
Polymarket 64%polled, 1 min agoBest Yes 67¢ on Polymarket, $100 pays $149 (1.49x)
Polymarket
Contract
Ends before Round 4?
Last price
64%
As of
Polled 1 min ago
Buy Yes
67¢
Sell Yes
61¢
$100 on Yes pays
$149 (1.49x)
Trade this on Polymarket
Cortes Acosta to win by KO/TKO?
51%
Polymarket 51%polled, 1 min agoBest Yes 53¢ on Polymarket, $100 pays $189 (1.89x)
Polymarket
Contract
Cortes Acosta to win by KO/TKO?
Last price
51%
As of
Polled 1 min ago
Buy Yes
53¢
Sell Yes
49¢
$100 on Yes pays
$189 (1.89x)
Volume
$2K
Trade this on Polymarket
Ends before Round 3?
48%
Polymarket 48%polled, 1 min agoBest Yes 51¢ on Polymarket, $100 pays $196 (1.96x)
Polymarket
Contract
Ends before Round 3?
Last price
48%
As of
Polled 1 min ago
Buy Yes
51¢
Sell Yes
45¢
$100 on Yes pays
$196 (1.96x)
Volume
$4
Trade this on Polymarket
O/U 2.5 Rounds
43.5%
Polymarket 43.5%polled, 1 min agoBest Yes 47¢ on Polymarket, $100 pays $213 (2.13x)
Polymarket
Contract
O/U 2.5 Rounds
Last price
43.5%
As of
Polled 1 min ago
Buy Yes
47¢
Sell Yes
40¢
$100 on Yes pays
$213 (2.13x)
Trade this on Polymarket
Johnny Walker vs. Waldo Cortes Acosta
33.5%
Polymarket 33.5%polled, 1 min agoBest Yes 34¢ on Polymarket, $100 pays $294 (2.94x)
Polymarket
Contract
Johnny Walker vs. Waldo Cortes Acosta
Last price
33.5%
As of
Polled 1 min ago
Buy Yes
34¢
Sell Yes
33¢
$100 on Yes pays
$294 (2.94x)
Volume
$19K
Trade this on Polymarket
O/U 3.5 Rounds
31.5%
Polymarket 31.5%polled, 1 min agoBest Yes 36¢ on Polymarket, $100 pays $278 (2.78x)
Polymarket
Contract
O/U 3.5 Rounds
Last price
31.5%
As of
Polled 1 min ago
Buy Yes
36¢
Sell Yes
27¢
$100 on Yes pays
$278 (2.78x)
Trade this on Polymarket
Show 28 more outcomes
Decision / Draw / No Contest
29%
Kalshi 29%polled, 8 min agoBest Yes 57¢ on Kalshi, $100 pays $175 (1.75x)
Kalshi
Contract
Decision / Draw / No Contest
Last price
29%
As of
Polled 8 min ago
Buy Yes
57¢
Sell Yes
1¢
$100 on Yes pays
$175 (1.75x)
Trade this on Kalshi
Waldo Cortes-Acosta to win in Round 1
28%
Kalshi 28%polled, 8 min agoBest Yes 28¢ on Kalshi, $100 pays $357 (3.57x)
Kalshi
Contract
Waldo Cortes-Acosta to win in Round 1
Last price
28%
As of
Polled 8 min ago
Buy Yes
28¢
Sell Yes
19¢
$100 on Yes pays
$357 (3.57x)
Volume
$156
Trade this on Kalshi
Ends before Round 2?
25%
Polymarket 25%polled, 1 min agoBest Yes 28¢ on Polymarket, $100 pays $357 (3.57x)
Polymarket
Contract
Ends before Round 2?
Last price
25%
As of
Polled 1 min ago
Buy Yes
28¢
Sell Yes
22¢
$100 on Yes pays
$357 (3.57x)
Trade this on Polymarket
O/U 4.5 Rounds
24%
Polymarket 24%polled, 1 min agoBest Yes 28¢ on Polymarket, $100 pays $357 (3.57x)
Polymarket
Contract
O/U 4.5 Rounds
Last price
24%
As of
Polled 1 min ago
Buy Yes
28¢
Sell Yes
20¢
$100 on Yes pays
$357 (3.57x)
Trade this on Polymarket
Decision or Draw
22.5%
Polymarket 22.5%polled, 1 min agoBest Yes 27¢ on Polymarket, $100 pays $370 (3.70x)
Polymarket
Contract
Decision or Draw
Last price
22.5%
As of
Polled 1 min ago
Buy Yes
27¢
Sell Yes
18¢
$100 on Yes pays
$370 (3.70x)
Volume
$107
Trade this on Polymarket
Fight to Go the Distance?
22.5%
Polymarket 22.5%polled, 1 min agoBest Yes 23¢ on Polymarket, $100 pays $435 (4.35x)
Polymarket
Contract
Fight to Go the Distance?
Last price
22.5%
As of
Polled 1 min ago
Buy Yes
23¢
Sell Yes
22¢
$100 on Yes pays
$435 (4.35x)
Volume
$68
Trade this on Polymarket
Fight won by decision?
22.5%
Polymarket 22.5%polled, 1 min agoBest Yes 27¢ on Polymarket, $100 pays $370 (3.70x)
Polymarket
Contract
Fight won by decision?
Last price
22.5%
As of
Polled 1 min ago
Buy Yes
27¢
Sell Yes
18¢
$100 on Yes pays
$370 (3.70x)
Trade this on Polymarket
Waldo Cortes-Acosta to win in Round 2
21%
Kalshi 21%polled, 8 min agoBest Yes 21¢ on Kalshi, $100 pays $476 (4.76x)
Kalshi
Contract
Waldo Cortes-Acosta to win in Round 2
Last price
21%
As of
Polled 8 min ago
Buy Yes
21¢
Sell Yes
16¢
$100 on Yes pays
$476 (4.76x)
Volume
$199
Trade this on Kalshi
Walker to win by KO/TKO?
19%
Polymarket 19%polled, 1 min agoBest Yes 23¢ on Polymarket, $100 pays $435 (4.35x)
Polymarket
Contract
Walker to win by KO/TKO?
Last price
19%
As of
Polled 1 min ago
Buy Yes
23¢
Sell Yes
15¢
$100 on Yes pays
$435 (4.35x)
Trade this on Polymarket
Cortes Acosta in Round 1
17.5%
Polymarket 17.5%polled, 1 min agoBest Yes 22¢ on Polymarket, $100 pays $455 (4.55x)
Polymarket
Contract
Cortes Acosta in Round 1
Last price
17.5%
As of
Polled 1 min ago
Buy Yes
22¢
Sell Yes
13¢
$100 on Yes pays
$455 (4.55x)
Trade this on Polymarket
Johnny Walker to win in Round 1
17%
Kalshi 17%polled, 8 min agoBest Yes 17¢ on Kalshi, $100 pays $588 (5.88x)
Kalshi
Contract
Johnny Walker to win in Round 1
Last price
17%
As of
Polled 8 min ago
Buy Yes
17¢
Sell Yes
6¢
$100 on Yes pays
$588 (5.88x)
Volume
$111
Trade this on Kalshi
Cortes Acosta in Round 2
15.5%
Polymarket 15.5%polled, 1 min agoBest Yes 20¢ on Polymarket, $100 pays $500 (5.00x)
Polymarket
Contract
Cortes Acosta in Round 2
Last price
15.5%
As of
Polled 1 min ago
Buy Yes
20¢
Sell Yes
11¢
$100 on Yes pays
$500 (5.00x)
Trade this on Polymarket
Johnny Walker to win in Round 2
12%
Kalshi 12%polled, 8 min agoBest Yes 12¢ on Kalshi, $100 pays $833 (8.33x)
Kalshi
Contract
Johnny Walker to win in Round 2
Last price
12%
As of
Polled 8 min ago
Buy Yes
12¢
Sell Yes
5¢
$100 on Yes pays
$833 (8.33x)
Volume
$39
Trade this on Kalshi
Waldo Cortes-Acosta to win in Round 3
12%
Kalshi 12%polled, 8 min agoBest Yes 12¢ on Kalshi, $100 pays $833 (8.33x)
Kalshi
Contract
Waldo Cortes-Acosta to win in Round 3
Last price
12%
As of
Polled 8 min ago
Buy Yes
12¢
Sell Yes
5¢
$100 on Yes pays
$833 (8.33x)
Volume
$42
Trade this on Kalshi
Cortes Acosta in Round 3
10.5%
Polymarket 10.5%polled, 1 min agoBest Yes 15¢ on Polymarket, $100 pays $667 (6.67x)
Polymarket
Contract
Cortes Acosta in Round 3
Last price
10.5%
As of
Polled 1 min ago
Buy Yes
15¢
Sell Yes
6¢
$100 on Yes pays
$667 (6.67x)
Trade this on Polymarket
Fight won by submission?
10.5%
Polymarket 10.5%polled, 1 min agoBest Yes 15¢ on Polymarket, $100 pays $667 (6.67x)
Polymarket
Contract
Fight won by submission?
Last price
10.5%
As of
Polled 1 min ago
Buy Yes
15¢
Sell Yes
6¢
$100 on Yes pays
$667 (6.67x)
Trade this on Polymarket
Waldo Cortes-Acosta to win in Round 4
10%
Kalshi 10%polled, 8 min agoBest Yes 10¢ on Kalshi, $100 pays $1,000 (10.0x)
Kalshi
Contract
Waldo Cortes-Acosta to win in Round 4
Last price
10%
As of
Polled 8 min ago
Buy Yes
10¢
Sell Yes
7¢
$100 on Yes pays
$1,000 (10.0x)
Volume
$34
Trade this on Kalshi
Walker in Round 1
8.5%
Polymarket 8.5%polled, 1 min agoBest Yes 13¢ on Polymarket, $100 pays $769 (7.69x)
Polymarket
Contract
Walker in Round 1
Last price
8.5%
As of
Polled 1 min ago
Buy Yes
13¢
Sell Yes
4¢
$100 on Yes pays
$769 (7.69x)
Trade this on Polymarket
Walker in Round 2
7%
Polymarket 7%polled, 1 min agoBest Yes 11¢ on Polymarket, $100 pays $909 (9.09x)
Polymarket
Contract
Walker in Round 2
Last price
7%
As of
Polled 1 min ago
Buy Yes
11¢
Sell Yes
3¢
$100 on Yes pays
$909 (9.09x)
Trade this on Polymarket
Cortes Acosta in Round 4
6%
Polymarket 6%polled, 1 min agoBest Yes 10¢ on Polymarket, $100 pays $1,000 (10.0x)
Polymarket
Contract
Cortes Acosta in Round 4
Last price
6%
As of
Polled 1 min ago
Buy Yes
10¢
Sell Yes
2¢
$100 on Yes pays
$1,000 (10.0x)
Trade this on Polymarket
Johnny Walker to win in Round 3
6%
Kalshi 6%polled, 8 min agoBest Yes 6¢ on Kalshi, $100 pays $1,667 (16.7x)
Kalshi
Contract
Johnny Walker to win in Round 3
Last price
6%
As of
Polled 8 min ago
Buy Yes
6¢
Sell Yes
4¢
$100 on Yes pays
$1,667 (16.7x)
Volume
$451
Trade this on Kalshi
Johnny Walker to win in Round 4
6%
Kalshi 6%polled, 8 min agoBest Yes 9¢ on Kalshi, $100 pays $1,111 (11.1x)
Kalshi
Contract
Johnny Walker to win in Round 4
Last price
6%
As of
Polled 8 min ago
Buy Yes
9¢
Sell Yes
3¢
$100 on Yes pays
$1,111 (11.1x)
Trade this on Kalshi
Walker in Round 3
6%
Polymarket 6%polled, 1 min agoBest Yes 10¢ on Polymarket, $100 pays $1,000 (10.0x)
Polymarket
Contract
Walker in Round 3
Last price
6%
As of
Polled 1 min ago
Buy Yes
10¢
Sell Yes
2¢
$100 on Yes pays
$1,000 (10.0x)
Trade this on Polymarket
Cortes Acosta in Round 5
4.5%
Polymarket 4.5%polled, 1 min agoBest Yes 8¢ on Polymarket, $100 pays $1,250 (12.5x)
Polymarket
Contract
Cortes Acosta in Round 5
Last price
4.5%
As of
Polled 1 min ago
Buy Yes
8¢
Sell Yes
1¢
$100 on Yes pays
$1,250 (12.5x)
Trade this on Polymarket
Johnny Walker to win in Round 5
4.5%
Kalshi 4.5%polled, 8 min agoBest Yes 8¢ on Kalshi, $100 pays $1,250 (12.5x)
Kalshi
Contract
Johnny Walker to win in Round 5
Last price
4.5%
As of
Polled 8 min ago
Buy Yes
8¢
Sell Yes
1¢
$100 on Yes pays
$1,250 (12.5x)
Trade this on Kalshi
Waldo Cortes-Acosta to win in Round 5
4.5%
Kalshi 4.5%polled, 8 min agoBest Yes 8¢ on Kalshi, $100 pays $1,250 (12.5x)
Kalshi
Contract
Waldo Cortes-Acosta to win in Round 5
Last price
4.5%
As of
Polled 8 min ago
Buy Yes
8¢
Sell Yes
1¢
$100 on Yes pays
$1,250 (12.5x)
Trade this on Kalshi
Walker in Round 4
4.5%
Polymarket 4.5%polled, 1 min agoBest Yes 8¢ on Polymarket, $100 pays $1,250 (12.5x)
Polymarket
Contract
Walker in Round 4
Last price
4.5%
As of
Polled 1 min ago
Buy Yes
8¢
Sell Yes
1¢
$100 on Yes pays
$1,250 (12.5x)
Trade this on Polymarket
Walker in Round 5
3.1%
Polymarket 3.1%polled, 1 min agoBest Yes 6¢ on Polymarket, $100 pays $1,667 (16.7x)
Polymarket
Contract
Walker in Round 5
Last price
3.1%
As of
Polled 1 min ago
Buy Yes
6¢
Sell Yes
0.1¢
$100 on Yes pays
$1,667 (16.7x)
Trade this on Polymarket

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: ufc.com
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: ESPN, Fox Sports, Paramount+

How the odds have moved

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

  • O/U 0.5 Rounds
  • Ends before Round 5?
  • Fight won by KO/TKO?

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.

Top of book

Connecting
Best bid
—
Spread
—
Best ask
—

Waiting for the first live quote…

Depth · top 8 levels

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Recent trades

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Kalshi

Kalshi doesn’t list O/U 0.5 Rounds 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 "Waldo Cortes-Acosta vs. Johnny Walker: Round of Victory". O/U 0.5 Rounds leads at 86.5%. Next is Ends before Round 5? at 74%. $23K has traded across 38 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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