Live Odds · Updated October 24, 2026

Lisbon: Alexander Ritschard vs Svyatoslav Gulin

As of October 24, 2026, 09:15 PM ET, Polymarket traders price Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under at 76.0% in Lisbon: Alexander Ritschard vs Svyatoslav Gulin — $624 traded so far.

Last updated October 24, 2026, 09:03 PM ET with live prices from Polymarket. 24h volume: $624.
Leading outcome
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under
76%
A 76.0% price implies roughly a 76-in-100 chance, set by traders risking real money.
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under76.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin: Alexander Ritschard75.5%
Bid
22¢
Ask
26¢
Spread
4¢
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Market facts

Event data
Event
Lisbon: Alexander Ritschard vs Svyatoslav Gulin
Category
Tennis, Sports, Games
Scheduled end
November 01, 2026, 06:00 AM ET
Total volume
$624
Volume (24h)
$624
Liquidity
$52.1K
Markets
16
Leading outcome
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under — 76.0%
Resolution source
https://www.atptour.com/en/scores/current

Who is favored to win?

Outcomes

Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under is favored at 76.0%.

OutcomePriceImplied probability24h changeVolumeVolume share
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under76¢76.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin: Alexander Ritschard76¢75.5%—$624100.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 Winner: Alexander Ritschard70¢69.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Total Sets: O/U 2.5: Under 2.566¢66.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 8.5: Under63¢63.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Match O/U 22.5: Under57¢57.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Game Spread +/-4.5: Svyatoslav Gulin55¢54.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Match O/U 23.5: Under54¢53.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set Handicap +/-1.5: Alexander Ritschard52¢52.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 O/U 8.5: Under52¢52.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 O/U 9.5: Under52¢52.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 O/U 10.5: Under52¢52.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Match O/U 21.5: Under52¢52.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 9.5: Under52¢51.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 Winner: Alexander Ritschard50¢50.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 Winner: Svyatoslav Gulin50¢50.0%—$00.0%
Completed Match49¢49.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 9.5: Over48¢48.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 O/U 8.5: Over48¢48.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 O/U 9.5: Over48¢48.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 2 O/U 10.5: Over48¢48.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Match O/U 21.5: Over48¢48.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set Handicap +/-1.5: Svyatoslav Gulin48¢47.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Match O/U 23.5: Over46¢46.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Game Spread +/-4.5: Alexander Ritschard46¢45.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Match O/U 22.5: Over42¢42.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 8.5: Over37¢37.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Total Sets: O/U 2.5: Over 2.534¢34.0%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 Winner: Svyatoslav Gulin30¢30.5%—$00.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin: Svyatoslav Gulin24¢24.5%—$624100.0%
Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Over24¢24.0%—$00.0%

See the full live book for this market on Polymarket

The leading market's spread is 4¢ (bid 22¢ / ask 26¢) — a tighter spread means cheaper round-trip trading.

How much has been traded?

Volume

$624 has been traded on this event in total, $624 of it in the last 24 hours, across 16 markets.

When does this market resolve?

Rules

This market is scheduled to end November 01, 2026, 06:00 AM ET.

This market refers to the tennis match between Alexander Ritschard and Svyatoslav Gulin in the Lisbon, originally scheduled for October 25, 2026 at 7:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game. If the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so "Over" would resolve as the winning outcome. … (condensed)

Resolution source: https://www.atptour.com/en/scores/current

What are the latest trades?

Tape
BUY Alexander Ritschard — $345 at 75.9%BUY Alexander Ritschard — $74 at 75.0%BUY Alexander Ritschard — $34 at 76.0%
TimeOutcomeSidePriceSize
Oct 24, 09:07 PM ETAlexander RitschardBUY76.0%$4
Oct 24, 08:51 PM ETNoBUY6.0%$6
Oct 24, 08:20 PM ETAlexander RitschardBUY75.9%$345
Oct 24, 01:51 PM ETAlexander RitschardBUY75.0%$74
Oct 24, 01:39 PM ETAlexander RitschardBUY75.0%$7
Oct 24, 01:39 PM ETAlexander RitschardBUY75.0%$13
Oct 24, 01:15 PM ETAlexander RitschardBUY76.0%$34

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Frequently asked questions

FAQ

What are the odds of Lisbon: Alexander Ritschard vs Svyatoslav Gulin?

As of October 24, 2026, 09:03 PM ET, the leading outcome is Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under at 76.0%. Next is Lisbon: Alexander Ritschard vs Svyatoslav Gulin: Alexander Ritschard at 75.5%. See the live book on Polymarket: https://polymarket.com/event/atp-ritscha-gulin-2026-10-25?via=bro

How much money has been traded on Lisbon: Alexander Ritschard vs Svyatoslav Gulin?

$624 in total volume, with $624 traded in the last 24 hours across 16 markets.

When does Lisbon: Alexander Ritschard vs Svyatoslav Gulin end?

The market is scheduled to end November 01, 2026, 06:00 AM ET. It resolves based on https://www.atptour.com/en/scores/current.

What is the most likely outcome of Lisbon: Alexander Ritschard vs Svyatoslav Gulin, according to Polymarket traders?

Lisbon: Alexander Ritschard vs Svyatoslav Gulin Set 1 O/U 10.5: Under, priced at 76.0% as of October 24, 2026, 09:03 PM ET. Prices are implied probabilities backed by real-money trading.

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⚠️ Not financial advice: odds swing hard on news. Never bet money you can't afford to lose, and always read a market's resolution rules before trading.

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