The Prediction Markets

Aryna Sabalenka vs Mirra Andreeva: Set 1 Winner

Starts in 5 h 44 minKickoff
Traded
$24K
Venues
Polymarket, Kalshi
Prices updated
just now
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What the markets expect

Completed Match 60.5%

Next is WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva at 58%. 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 2 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Completed Match
60.5%
Polymarket 60.5%polled, 35s agoBest Yes 98¢ on Polymarket, $100 pays $102 (1.02x)
Polymarket
Contract
Completed Match
Last price
60.5%
As of
Polled just now
Buy Yes
98¢
Sell Yes
23¢
$100 on Yes pays
$102 (1.02x)
Volume
$714
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
58%
Polymarket 58%polled, 35s agoBest Yes 59¢ on Polymarket, $100 pays $169 (1.69x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Match O/U 21.5
Last price
58%
As of
Polled just now
Buy Yes
59¢
Sell Yes
57¢
$100 on Yes pays
$169 (1.69x)
Volume
$2K
Trade this on Polymarket
Aryna Sabalenka
51%
Kalshi 51%polled, 2 min agoBest Yes 52¢ on Kalshi, $100 pays $192 (1.92x)
Kalshi
Contract
Aryna Sabalenka
Last price
51%
As of
Polled 2 min ago
Buy Yes
52¢
Sell Yes
51¢
$100 on Yes pays
$192 (1.92x)
Volume
$1K
Trade this on Kalshi
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
51%
Polymarket 51%polled, 35s agoBest Yes 52¢ on Polymarket, $100 pays $192 (1.92x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Match O/U 22.5
Last price
51%
As of
Polled just now
Buy Yes
52¢
Sell Yes
50¢
$100 on Yes pays
$192 (1.92x)
Volume
$29
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
50.5%
Polymarket 50.5%polled, 35s agoBest Yes 52¢ on Polymarket, $100 pays $192 (1.92x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Set 2 Winner
Last price
50.5%
As of
Polled just now
Buy Yes
52¢
Sell Yes
49¢
$100 on Yes pays
$192 (1.92x)
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
50.5%
Polymarket 50.5%polled, 35s agoBest Yes 51¢ on Polymarket, $100 pays $196 (1.96x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
Last price
50.5%
As of
Polled just now
Buy Yes
51¢
Sell Yes
50¢
$100 on Yes pays
$196 (1.96x)
Volume
$19K
Trade this on Polymarket
Mirra Andreeva
50%
Kalshi 50%polled, 2 min agoBest Yes 50¢ on Kalshi, $100 pays $200 (2.00x)
Kalshi
Contract
Mirra Andreeva
Last price
50%
As of
Polled 2 min ago
Buy Yes
50¢
Sell Yes
49¢
$100 on Yes pays
$200 (2.00x)
Volume
$705
Trade this on Kalshi
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
50%
Polymarket 50%polled, 35s agoBest Yes 51¢ on Polymarket, $100 pays $196 (1.96x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Set 1 Winner
Last price
50%
As of
Polled just now
Buy Yes
51¢
Sell Yes
49¢
$100 on Yes pays
$196 (1.96x)
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
46%
Polymarket 46%polled, 35s agoBest Yes 47¢ on Polymarket, $100 pays $213 (2.13x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Match O/U 23.5
Last price
46%
As of
Polled just now
Buy Yes
47¢
Sell Yes
45¢
$100 on Yes pays
$213 (2.13x)
Volume
$2
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
44.5%
Polymarket 44.5%polled, 35s agoBest Yes 45¢ on Polymarket, $100 pays $222 (2.22x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Total Sets: O/U 2.5
Last price
44.5%
As of
Polled just now
Buy Yes
45¢
Sell Yes
44¢
$100 on Yes pays
$222 (2.22x)
Volume
$290
Trade this on Polymarket
Show 3 more outcomes
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
44%
Polymarket 44%polled, 35s agoBest Yes 45¢ on Polymarket, $100 pays $222 (2.22x)
Polymarket
Contract
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva Game Spread +/-1.5
Last price
44%
As of
Polled just now
Buy Yes
45¢
Sell Yes
43¢
$100 on Yes pays
$222 (2.22x)
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
29.5%
Polymarket 29.5%polled, 35s agoBest Yes 30¢ on Polymarket, $100 pays $333 (3.33x)
Polymarket
Contract
Set Handicap: Aryna Sabalenka (-1.5) vs Mirra Andreeva (+1.5)
Last price
29.5%
As of
Polled just now
Buy Yes
30¢
Sell Yes
29¢
$100 on Yes pays
$333 (3.33x)
Volume
$290
Trade this on Polymarket
WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
28%
Polymarket 28%polled, 35s agoBest Yes 29¢ on Polymarket, $100 pays $345 (3.45x)
Polymarket
Contract
Set Handicap: Mirra Andreeva (-1.5) vs Aryna Sabalenka (+1.5)
Last price
28%
As of
Polled just now
Buy Yes
29¢
Sell Yes
27¢
$100 on Yes pays
$345 (3.45x)
Volume
$3
Trade this on Polymarket

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.

  • Completed Match
  • WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva
  • Aryna Sabalenka

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 Completed Match 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

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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 "Aryna Sabalenka vs Mirra Andreeva: Set 1 Winner". Completed Match leads at 60.5%. Next is WTA Finals, Group B: Aryna Sabalenka vs Mirra Andreeva at 58%. $24K has traded across 13 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 25, 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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