The Prediction Markets

Andreescu vs Masarova

LiveKickoff In play now; prices move fast
Traded
$13K
Venues
Polymarket, Kalshi
Prices updated
just now
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What the markets expect

Bianca Andreescu 75%

Next is Sopo: Bianca Andreescu vs Rebeka Masarova at 74.5%. 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, the oldest 1 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Bianca Andreescu
75%
Kalshi 75%polled, 1 min agoBest Yes 75¢ on Kalshi, $100 pays $133 (1.33x)
Kalshi
Contract
Bianca Andreescu
Last price
75%
As of
Polled 1 min ago
Buy Yes
75¢
Sell Yes
74¢
$100 on Yes pays
$133 (1.33x)
Volume
$993
Trade this on Kalshi
Sopo: Bianca Andreescu vs Rebeka Masarova
74.5%
Polymarket 74.5%polled, 46s agoBest Yes 75¢ on Polymarket, $100 pays $133 (1.33x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova
Last price
74.5%
As of
Polled just now
Buy Yes
75¢
Sell Yes
74¢
$100 on Yes pays
$133 (1.33x)
Volume
$12K
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
70.5%
Polymarket 70.5%polled, 46s agoBest Yes 72¢ on Polymarket, $100 pays $139 (1.39x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Set 1 Winner
Last price
70.5%
As of
Polled just now
Buy Yes
72¢
Sell Yes
69¢
$100 on Yes pays
$139 (1.39x)
Trade this on Polymarket
Completed Match
55%
Polymarket 55%polled, 46s ago
Polymarket
Contract
Completed Match
Last price
55%
As of
Polled just now
Buy Yes
—
Sell Yes
10¢
Volume
$100
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
53%
Polymarket 53%polled, 46s agoBest Yes 54¢ on Polymarket, $100 pays $185 (1.85x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Set Handicap +/-1.5
Last price
53%
As of
Polled just now
Buy Yes
54¢
Sell Yes
52¢
$100 on Yes pays
$185 (1.85x)
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
50%
Polymarket 50%polled, 46s ago
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Set 2 Winner
Last price
50%
As of
Polled just now
Buy Yes
—
Sell Yes
—
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
46.5%
Polymarket 46.5%polled, 46s agoBest Yes 92¢ on Polymarket, $100 pays $109 (1.09x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Match O/U 23.5
Last price
46.5%
As of
Polled just now
Buy Yes
92¢
Sell Yes
1¢
$100 on Yes pays
$109 (1.09x)
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
46.5%
Polymarket 46.5%polled, 46s agoBest Yes 92¢ on Polymarket, $100 pays $109 (1.09x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Match O/U 22.5
Last price
46.5%
As of
Polled just now
Buy Yes
92¢
Sell Yes
1¢
$100 on Yes pays
$109 (1.09x)
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
45%
Polymarket 45%polled, 46s agoBest Yes 46¢ on Polymarket, $100 pays $217 (2.17x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Match O/U 21.5
Last price
45%
As of
Polled just now
Buy Yes
46¢
Sell Yes
44¢
$100 on Yes pays
$217 (2.17x)
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
38%
Polymarket 38%polled, 46s agoBest Yes 40¢ on Polymarket, $100 pays $250 (2.50x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Game Spread +/-5.5
Last price
38%
As of
Polled just now
Buy Yes
40¢
Sell Yes
36¢
$100 on Yes pays
$250 (2.50x)
Trade this on Polymarket
Sopo: Bianca Andreescu vs Rebeka Masarova
34%
Polymarket 34%polled, 46s agoBest Yes 35¢ on Polymarket, $100 pays $286 (2.86x)
Polymarket
Contract
Sopo: Bianca Andreescu vs Rebeka Masarova Total Sets: O/U 2.5
Last price
34%
As of
Polled just now
Buy Yes
35¢
Sell Yes
33¢
$100 on Yes pays
$286 (2.86x)
Volume
$14
Trade this on Polymarket
Rebeka Masarova
26%
Kalshi 26%polled, 1 min agoBest Yes 26¢ on Kalshi, $100 pays $385 (3.85x)
Kalshi
Contract
Rebeka Masarova
Last price
26%
As of
Polled 1 min ago
Buy Yes
26¢
Sell Yes
25¢
$100 on Yes pays
$385 (3.85x)
Volume
$109
Trade this on Kalshi

Who resolves this market

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

How the odds have moved

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

  • Bianca Andreescu
  • Sopo: Bianca Andreescu vs Rebeka Masarova
  • Sopo: Bianca Andreescu vs Rebeka Masarova

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

Polymarket doesn’t list Bianca Andreescu for this event.

Kalshi

Open on Kalshi ↗

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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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 "Andreescu vs Masarova". Bianca Andreescu leads at 75%. Next is Sopo: Bianca Andreescu vs Rebeka Masarova at 74.5%. $13K has traded across 12 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 24, 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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