The Prediction Markets

Montgomery vs Rajeshwaran Revathi

Starts in 16 hKickoff
Traded
$2K
Venues
Polymarket, Kalshi
Prices updated
just now
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What the markets expect

Montgomery 83.4%

Next is Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner at 76.5%. Polymarket and Kalshi agree within 1 point on each matched outcome.

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 5 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Montgomery
83.4%
Polymarket 83.5%polled, 31s agoKalshi 83%polled, 5 min agoBest Yes 84¢ on Polymarket, $100 pays $119 (1.19x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi
Last price
83.5%
As of
Polled just now
Buy Yes
84¢
Sell Yes
83¢
$100 on Yes pays
$119 (1.19x)
Volume
$504
Trade this on Polymarket
Kalshi
Contract
Robin Montgomery
Last price
83%
As of
Polled 5 min ago
Buy Yes
84¢
Sell Yes
83¢
$100 on Yes pays
$119 (1.19x)
Volume
$189
Trade this on Kalshi
Partial parity

Payoffs match in ordinary outcomes; see the rule differences below the table.

Indicative only, prices are 5 min old: No arbitrage: the best bid elsewhere is 83¢, at or below the cheapest ask of 84¢.

Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
76.5%
Polymarket 76.5%polled, 31s agoBest Yes 78¢ on Polymarket, $100 pays $128 (1.28x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
Last price
76.5%
As of
Polled just now
Buy Yes
78¢
Sell Yes
75¢
$100 on Yes pays
$128 (1.28x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
63%
Polymarket 63%polled, 31s agoBest Yes 64¢ on Polymarket, $100 pays $156 (1.56x)
Polymarket
Contract
Set Handicap: Robin Montgomery (-1.5) vs Maaya Rajeshwaran Revathi (+1.5)
Last price
63%
As of
Polled just now
Buy Yes
64¢
Sell Yes
62¢
$100 on Yes pays
$156 (1.56x)
Volume
$105
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
60.5%
Polymarket 60.5%polled, 31s agoBest Yes 62¢ on Polymarket, $100 pays $161 (1.61x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 O/U 8.5
Last price
60.5%
As of
Polled just now
Buy Yes
62¢
Sell Yes
59¢
$100 on Yes pays
$161 (1.61x)
Trade this on Polymarket
Completed Match
53.5%
Polymarket 53.5%polled, 31s agoBest Yes 99¢ on Polymarket, $100 pays $101 (1.01x)
Polymarket
Contract
Completed Match
Last price
53.5%
As of
Polled just now
Buy Yes
99¢
Sell Yes
8¢
$100 on Yes pays
$101 (1.01x)
Volume
$850
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
50%
Polymarket 50%polled, 31s agoBest Yes 98¢ on Polymarket, $100 pays $102 (1.02x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 2 Winner
Last price
50%
As of
Polled just now
Buy Yes
98¢
Sell Yes
2¢
$100 on Yes pays
$102 (1.02x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
49.5%
Polymarket 49.5%polled, 31s agoBest Yes 51¢ on Polymarket, $100 pays $196 (1.96x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Game Spread +/-5.5
Last price
49.5%
As of
Polled just now
Buy Yes
51¢
Sell Yes
48¢
$100 on Yes pays
$196 (1.96x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
49%
Polymarket 49%polled, 31s agoBest Yes 98¢ on Polymarket, $100 pays $102 (1.02x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 2 O/U 10.5
Last price
49%
As of
Polled just now
Buy Yes
98¢
Sell Yes
—
$100 on Yes pays
$102 (1.02x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
49%
Polymarket 49%polled, 31s agoBest Yes 98¢ on Polymarket, $100 pays $102 (1.02x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 2 O/U 9.5
Last price
49%
As of
Polled just now
Buy Yes
98¢
Sell Yes
—
$100 on Yes pays
$102 (1.02x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
49%
Polymarket 49%polled, 31s agoBest Yes 98¢ on Polymarket, $100 pays $102 (1.02x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 2 O/U 8.5
Last price
49%
As of
Polled just now
Buy Yes
98¢
Sell Yes
—
$100 on Yes pays
$102 (1.02x)
Trade this on Polymarket
Show 8 more outcomes
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
49%
Polymarket 49%polled, 31s agoBest Yes 98¢ on Polymarket, $100 pays $102 (1.02x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 O/U 9.5
Last price
49%
As of
Polled just now
Buy Yes
98¢
Sell Yes
—
$100 on Yes pays
$102 (1.02x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
40%
Polymarket 40%polled, 31s agoBest Yes 49¢ on Polymarket, $100 pays $204 (2.04x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Match O/U 21.5
Last price
40%
As of
Polled just now
Buy Yes
49¢
Sell Yes
31¢
$100 on Yes pays
$204 (2.04x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
39.5%
Polymarket 39.5%polled, 31s agoBest Yes 53¢ on Polymarket, $100 pays $189 (1.89x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Match O/U 22.5
Last price
39.5%
As of
Polled just now
Buy Yes
53¢
Sell Yes
26¢
$100 on Yes pays
$189 (1.89x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
38%
Polymarket 38%polled, 31s agoBest Yes 53¢ on Polymarket, $100 pays $189 (1.89x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Match O/U 23.5
Last price
38%
As of
Polled just now
Buy Yes
53¢
Sell Yes
23¢
$100 on Yes pays
$189 (1.89x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
28%
Polymarket 28%polled, 31s agoBest Yes 29¢ on Polymarket, $100 pays $345 (3.45x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Total Sets: O/U 2.5
Last price
28%
As of
Polled just now
Buy Yes
29¢
Sell Yes
27¢
$100 on Yes pays
$345 (3.45x)
Trade this on Polymarket
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
18.5%
Polymarket 18.5%polled, 31s agoBest Yes 21¢ on Polymarket, $100 pays $476 (4.76x)
Polymarket
Contract
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 O/U 10.5
Last price
18.5%
As of
Polled just now
Buy Yes
21¢
Sell Yes
16¢
$100 on Yes pays
$476 (4.76x)
Trade this on Polymarket
Maaya Rajeshwaran Revathi
16%
Kalshi 16%polled, 5 min agoBest Yes 16¢ on Kalshi, $100 pays $625 (6.25x)
Kalshi
Contract
Maaya Rajeshwaran Revathi
Last price
16%
As of
Polled 5 min ago
Buy Yes
16¢
Sell Yes
15¢
$100 on Yes pays
$625 (6.25x)
Volume
$814
Trade this on Kalshi
Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
8.5%
Polymarket 8.5%polled, 31s agoBest Yes 10¢ on Polymarket, $100 pays $1,000 (10.0x)
Polymarket
Contract
Set Handicap: Maaya Rajeshwaran Revathi (-1.5) vs Robin Montgomery (+1.5)
Last price
8.5%
As of
Polled just now
Buy Yes
10¢
Sell Yes
7¢
$100 on Yes pays
$1,000 (10.0x)
Trade this on Polymarket

No cross-venue arbitrage right now: on every matched outcome, the best bid on one venue is at or below the cheapest ask on the other. Find markets with open spreads

Mostly the same bet: two differences

Where they differ

  • If the match is postponed: Kalshi resolves to a fair price if the match does not start within 48 hours of the scheduled time (tennis: not finished within two weeks); Polymarket stays open until the match is played and resolves 50-50 only if it is cancelled with no make-up (tennis: ~14 days).
  • Kalshi requires a ball to be played and pays the winner; Polymarket pays the player who advances, including on retirement. A pre-match walkover is a fair price on Kalshi, 50-50 on Polymarket.
Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: wtatennis.com
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: WTA
Show full rule comparison
  • If the match is postponed: Kalshi resolves to a fair price if the match does not start within 48 hours of the scheduled time (tennis: not finished within two weeks); Polymarket stays open until the match is played and resolves 50-50 only if it is cancelled with no make-up (tennis: ~14 days).
  • Kalshi requires a ball to be played and pays the winner; Polymarket pays the player who advances, including on retirement. A pre-match walkover is a fair price on Kalshi, 50-50 on Polymarket.
  • Trading closes Nov 13, 2026, 4:30 AM UTC on Polymarket and Nov 20, 2026, 9:30 AM UTC on Kalshi.

Summarized from each venue’s published rules; the venue’s own rules page is the final word.

How the odds have moved

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

  • Montgomery
  • Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner
  • Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner

Live prices for Montgomery

What it costs to buy Yes, what you would get selling it, and the last trade on each exchange, updating as orders change. Hover a status for timing details.

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.

Combined depth · both venues

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Polymarket

Open on Polymarket ↗

Top of book

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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

Open on Kalshi ↗

Top of book

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Best bid
—
Spread
—
Best ask
—

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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

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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 "Montgomery vs Rajeshwaran Revathi". Montgomery leads at 83.4%. Next is Chennai Open: Robin Montgomery vs Maaya Rajeshwaran Revathi Set 1 Winner at 76.5%. $2K has traded across 18 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 20, 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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