Market snapshot: Oct 20, 2026, 6:00 AM UTC. Prices may have changed since this snapshot.

GroupPOLYMARKET

Event GroupPOLYMARKETSports

Cali: Carlos Maria Zarate vs Franco Ribero

Reported volume

PM $0

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Cali: Carlos Maria Zarate vs Franco Ribero

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Current odds

Snapshot from Oct 20, 2026, 6:00 AM UTC

As of Oct 20, 2026, 6:00 AM UTC, the highest-priced outcome on Polymarket is Completed Match at 52.5%.

Polymarket

Completed Match52.5%

Yes prices. They are not order quotes; check each platform's rules, fees and live prices before trading.

Price ChartContract price history

16 markets tracked

Historical observations can differ from current quotes. Kalshi points are hourly trade averages.

Saved prices are comparisons, not executable quotes. A price difference does not establish arbitrage. Check both contracts, live order prices, fees and available size.

Cali: Completed Match: Carlos Maria Zarate vs Franco Ribero

No data available

Single-Platform Markets(16)

Market	Platform	Price
Cali: Completed Match: Carlos Maria Zarate vs Franco Ribero	Poly	52.5%
Cali: Carlos Maria Zarate vs Franco Ribero	Kalshi	Unavailable
Set 1 Winner: Carlos Maria Zarate vs Franco Ribero	Kalshi	Unavailable
Set 2 Winner: Carlos Maria Zarate vs Franco Ribero	Kalshi	Unavailable
Carlos Maria Zarate vs. Franco Ribero: Total Sets Over/Under 2.5	Kalshi	Unavailable
Zarate vs. Ribero: Set 1 Games Over/Under 8.5	Kalshi	Unavailable
Zarate vs. Ribero: Set 1 Games Over/Under 9.5	Kalshi	Unavailable
Zarate vs. Ribero: Set 1 Games Over/Under 10.5	Kalshi	Unavailable
Zarate vs. Ribero: Set 2 Games Over/Under 8.5	Kalshi	Unavailable
Zarate vs. Ribero: Set 2 Games Over/Under 9.5	Kalshi	Unavailable
Zarate vs. Ribero: Set 2 Games Over/Under 10.5	Kalshi	Unavailable
Zarate vs. Ribero: Match Over/Under 21.5	Kalshi	Unavailable
Zarate vs. Ribero: Match Over/Under 22.5	Kalshi	Unavailable
Zarate vs. Ribero: Match Over/Under 23.5	Kalshi	Unavailable
Set Handicap: Carlos Maria Zarate (-1.5) vs Franco Ribero (+1.5)	Kalshi	Unavailable
Game Spread: Carlos Maria Zarate (-4.5) vs Franco Ribero (+4.5)	Kalshi	Unavailable

Rules & Resolution

Saved matching review

Needs review: no direct pair assessment is available.

A saved event match does not establish identical settlement. Pair reviews appear with each price comparison.

AI Analysis

Trader mode: Market mechanics, assumptions and risks

PM $0

Reported volume · provider units

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Same-question pairs

Source snapshot: Oct 20, 2026, 6:00 AM UTC

About This Event

This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET. This market will resolve to 'Carlos Maria Zarate' if Carlos Maria Zarate advances against Franco Ribero. This market will resolve to 'Franco Ribero' if Franco Ribero advances against Carlos Maria Zarate. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

AI-generated analysis based on market data. Not financial advice.

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Event: Cali: Carlos Maria Zarate vs Franco Ribero
Source snapshot: Oct 20, 2026, 6:00 AM UTC
Reported event volume (provider units): PM $0
Coverage: 16 of 16 saved contracts included.
Prices are saved observations, not executable quotes. Listed close dates do not promise settlement or payout time.

Contract: Cali: Carlos Maria Zarate vs Franco Ribero
Provider: polymarket; ID: polymarket-5958978; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Carlos Maria Zarate: 74.0%; 24h change unavailable
Outcome Franco Ribero: 26.0%; 24h change unavailable
Saved rules: This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.

This market will resolve to 'Carlos Maria Zarate' if Carlos Maria Zarate advances against Franco Ribero.

This market will resolve to 'Franco Ribero' if Franco Ribero advances against Carlos Maria Zarate.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.

If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.

If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.

The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Contract: Cali: Completed Match: Carlos Maria Zarate vs Franco Ribero
Provider: polymarket; ID: polymarket-5958979; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-completed-match
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Yes: 52.5%; 24h change unavailable
Outcome No: 47.5%; 24h change unavailable
Saved rules: This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Contract: Set 1 Winner: Carlos Maria Zarate vs Franco Ribero
Provider: polymarket; ID: polymarket-5959887; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-first-set-winner-Zarate-vs-Ribero
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Carlos Maria Zarate: 50.0%; 24h change unavailable
Outcome Franco Ribero: 50.0%; 24h change unavailable
Saved rules: This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to “Carlos Maria Zarate” if Carlos Maria Zarate wins the first set. It will resolve to “Franco Ribero” if Franco Ribero wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.

This market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).

Contract: Set 2 Winner: Carlos Maria Zarate vs Franco Ribero
Provider: polymarket; ID: polymarket-5959892; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-set-2-winner-Zarate-vs-Ribero
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Carlos Maria Zarate: 38.5%; 24h change unavailable
Outcome Franco Ribero: 61.5%; 24h change unavailable
Saved rules: This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to “Carlos Maria Zarate” if Carlos Maria Zarate wins set 2. It will resolve to “Franco Ribero” if Franco Ribero wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or play has not begun by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.

This market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).

Contract: Carlos Maria Zarate vs. Franco Ribero: Total Sets Over/Under 2.5
Provider: polymarket; ID: polymarket-5959898; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-set-totals-2pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over 2.5: 50.0%; 24h change unavailable
Outcome Under 2.5: 50.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
If the match is played to completion, this market will resolve to "Over" if the total number of sets played equals or exceeds 3, and to "Under" otherwise. A set counts as played once it has begun, even if it is not played to completion. A super tie breaker is considered as one (1) set.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If a player retires, withdraws, is defaulted, or is disqualified, or the match otherwise begins but is not completed, this market will resolve based on any outcome that was already unequivocally determined at the time play stopped. An outcome is considered unequivocally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round. For example, for a line of 2.5, if play stops with the players at one set each, completing the match would have required at least one additional 

Contract: Zarate vs. Ribero: Set 1 Games Over/Under 8.5
Provider: polymarket; ID: polymarket-5959905; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-first-set-total-8pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. 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 3, 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, 

Contract: Zarate vs. Ribero: Set 1 Games Over/Under 9.5
Provider: polymarket; ID: polymarket-5959911; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-first-set-total-9pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. 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 3, 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,

Contract: Zarate vs. Ribero: Set 1 Games Over/Under 10.5
Provider: polymarket; ID: polymarket-5959917; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-first-set-total-10pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM 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 3, 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,

Contract: Zarate vs. Ribero: Set 2 Games Over/Under 8.5
Provider: polymarket; ID: polymarket-5959924; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-set-2-total-8pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 begins but is not completed, 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 or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 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.
If the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by November 3, 2026,

Contract: Zarate vs. Ribero: Set 2 Games Over/Under 9.5
Provider: polymarket; ID: polymarket-5959931; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-set-2-total-9pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 begins but is not completed, 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 or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 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.
If the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by November 3, 2026

Contract: Zarate vs. Ribero: Set 2 Games Over/Under 10.5
Provider: polymarket; ID: polymarket-5959937; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-set-2-total-10pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 begins but is not completed, 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 or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 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.
If the match ends before set 2 is reached, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by November 3, 2026

Contract: Zarate vs. Ribero: Match Over/Under 21.5
Provider: polymarket; ID: polymarket-5959942; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-match-total-21pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by November 3, 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 match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additiona

Contract: Zarate vs. Ribero: Match Over/Under 22.5
Provider: polymarket; ID: polymarket-5959949; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-match-total-22pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by November 3, 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 match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additiona

Contract: Zarate vs. Ribero: Match Over/Under 23.5
Provider: polymarket; ID: polymarket-5959956; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-match-total-23pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Over: 49.0%; 24h change unavailable
Outcome Under: 51.0%; 24h change unavailable
Saved rules excerpt (truncated): This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Over" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.
If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.
If the match is permanently abandoned before completion, or if the match has not been completed by November 3, 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 match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additiona

Contract: Set Handicap: Carlos Maria Zarate (-1.5) vs Franco Ribero (+1.5)
Provider: polymarket; ID: polymarket-5959962; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-set-handicap-home-1pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Carlos Maria Zarate: 49.5%; 24h change unavailable
Outcome Franco Ribero: 50.5%; 24h change unavailable
Saved rules: This market refers to the tennis match between Carlos Maria Zarate and Franco Ribero in the Cali, originally scheduled for October 20, 2026 at 2:00PM ET.
This market will resolve to "Carlos Maria Zarate" if Carlos Maria Zarate wins by 2 or more sets than Franco Ribero, based on the final completed score. Otherwise, it will resolve to "Franco Ribero."
If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Carlos Maria Zarate can no longer win by 2 or more sets, and this market will resolve to "Franco Ribero."
If the match is canceled before play begins, or a result has not been determined by November 3, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.
Resolution will be based on official Challenger results.

Contract: Game Spread: Carlos Maria Zarate (-4.5) vs Franco Ribero (+4.5)
Provider: polymarket; ID: polymarket-5959969; status: active
Source: https://polymarket.com/event/atp-zarate-ribero-2026-10-20-game-handicap-home-4pt5
Observed: Oct 20, 2026, 6:00 AM UTC
Listed close: Oct 27, 2026, 6:00 PM UTC
Reported volume: $0
Outcome Carlos Maria Zarate: 49.5%; 24h change unavailable
Outcome Franco Ribero: 50.5%; 24h change unavailable
Saved rules excerpt (truncated): This market will resolve to "Carlos Maria Zarate" if Carlos Maria Zarate wins 4.5 or more total games than Franco Ribero in the upcoming tennis match, scheduled for October 20, 2026 at 2:00PM ET. Otherwise, this market will resolve to "Franco Ribero".
Games won will be counted across all sets played in the match. A set decided by a tiebreak will count as one game for the winner of that tiebreak, and a match tiebreak played in place of a final set will also count as one game for its winner.
If the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date without completion at 11:59 PM ET, this market will resolve 50-50.
If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the match ends at a point where Carlos Maria Zarate could no longer have finished 4.5 or more games ahead even by winning every remaining game, this market will resolve to "Franco Ribero".
If the match ends in a w

Saved cross-platform review:
No exact pair with two valid binary Yes prices is available for comparison.

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POLYMARKETSports

Cali: Carlos Maria Zarate vs Franco Ribero

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Cali: Completed Match: Carlos Maria Zarate vs Franco Ribero

polymarket

Cali: Completed Match: Carlos Maria Zarate vs Franco Ribero

Yes: 52.5¢
No: 47.5¢

Cali: Carlos Maria Zarate vs Franco Ribero

polymarket

Cali: Carlos Maria Zarate vs Franco Ribero

Carlos Maria Zarate: 74.0¢
Franco Ribero: 26.0¢

Set 1 Winner: Carlos Maria Zarate vs Franco Ribero

polymarket

Set 1 Winner: Carlos Maria Zarate vs Franco Ribero

Carlos Maria Zarate: 50.0¢
Franco Ribero: 50.0¢

Set 2 Winner: Carlos Maria Zarate vs Franco Ribero

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Set 2 Winner: Carlos Maria Zarate vs Franco Ribero

Carlos Maria Zarate: 38.5¢
Franco Ribero: 61.5¢

Carlos Maria Zarate vs. Franco Ribero: Total Sets Over/Under 2.5

polymarket

Carlos Maria Zarate vs. Franco Ribero: Total Sets Over/Under 2.5

Over 2.5: 50.0¢
Under 2.5: 50.0¢

Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

KalshiSports

Zarate vs Ribero

K 0 contracts

Carlos Maria Zarate winsYes 73%

Franco Ribero winsYes 26.5%

2 mktsNext deadline Nov 3, 2026 UTC

PolymarketKalshiSports

F1 Drivers Champion

PM $204.51M · K 9.60M contracts

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Same question, fine print differs

PM Yes 97.9%Rules differK Yes 96.5%

Will Max Verstappen be the 2026 F1 Drivers' Champion?

Kalshi: Will Max Verstappen win the F1 Drivers Championship?

Same question, fine print differs

PM Yes 1.4%Rules differK Yes 1.5%

Will Lando Norris be the 2026 F1 Drivers' Champion?

Kalshi: Will Lando Norris win the F1 Drivers Championship?

Same question, fine print differs

PM Yes <0.1%Rules differK Yes 0.5%

Related or unreviewed contracts may settle differently. Their gap is not an equivalent-contract comparison.

Saved prices; check contract rules.

6 saved comparisonsNext deadline Dec 6, 2026 UTC

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Next Market Deadline

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Oct 27, 2026, 6:00 PM UTC

Market Insights

Price gaps of 2 pp+

Same-question pairs

No outcomes on this page have been reviewed as the same question on both platforms yet.

Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.

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Cali: Carlos Maria Zarate vs Franco Ribero

Cali: Carlos Maria Zarate vs Franco Ribero

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