Polymarket marketStarts Tue, Oct 27, 3:00pm ET

Polymarket Erste Bank Open: Flavio Cobolli vs Grigor Dimitrov odds

On Polymarket, the favourite is Flavio Cobolli, at 64%. The market settles by Nov 3, 2026, and $592 traded in the last 24 hours. Each contract pays $1 if it is right, so 64¢ reads as a 64% chance. Kalshi lists it too, and we compare the two prices below.

Trade on Polymarket

Close-only for US residents

Also on Kalshi: Kalshi's page

Polymarket · odds · updated

Flavio Cobolli64%
Match O/U 22.5 · Over53%
Match O/U 23.5 · Under55%
Set 1 Winner · Flavio Cobolli59%
Game Spread +/-2.5 · Grigor Dimitrov +2.551%

All 16 outcomes ↓

Also priced on Kalshi: compare both

$592
24h volume on Polymarket
$1K
total volume on Polymarket
8
open of 16 outcomes
Nov 3, 2026
settles

Polymarket odds on every outcome

Polymarket odds on each outcome of Erste Bank Open: Flavio Cobolli vs Grigor Dimitrov
OutcomeChanceYes price24h volume
Flavio Cobolli compare 64%64¢$350Trade
Match O/U 22.5 · Over53%53¢$231Trade
Match O/U 23.5 · Under55%55¢$10Trade
Set 1 Winner · Flavio Cobolli59%59¢$0Trade
Game Spread +/-2.5 · Grigor Dimitrov +2.551%51¢$0Trade
Set Handicap +/-1.5 · Grigor Dimitrov +1.559%59¢$0Trade
Total Sets: O/U 2.5 · Under 2.562%62¢$0Trade
Set 1 O/U 10.5 · Under65%65¢$0Trade
Match O/U 21.5––$0Trade
Completed Match––$0Trade
Show 6 more outcomes
Polymarket odds on each outcome of Erste Bank Open: Flavio Cobolli vs Grigor Dimitrov
OutcomeChanceYes price24h volume
Set 2 Winner––$0Trade
Set 1 O/U 9.5––$0Trade
Set 2 O/U 8.5––$0Trade
Set 2 O/U 10.5––$0Trade
Set 2 O/U 9.5––$0Trade
Set 1 O/U 8.5––$0Trade
Close-only for US residents

Chance is each outcome's Yes price on Polymarket. A Yes contract at 64¢ pays $1 if that outcome wins.

Polymarket vs Kalshi on this match

The same match on both venues. When the prices differ, the cheaper side costs you less for the same payout.

Flavio Cobolli: Erste Bank Open: Flavio Cobolli vs Grigor Dimitrov: price on each venue, the fee, 24h volume and liquidity, with a link to trade
VenueFlavio CobolliGrigor DimitrovFee24h volumeLiquidity
PolymarketClose-only for US residents64¢cheapest to buy37¢1.2¢$350$38KTrade →
Kalshi$50 bonus66¢35¢cheapest to buy1.6¢$23K–Trade →
Updated Fee: the taker fee on one contract at the price shown, as each venue publishes it; Polymarket’s is its international book.

Full comparison

How the odds have moved

Polymarket · Flavio Cobolli
64%unchanged since Oct 25
Yes price
Oct 2555% – 72% scaleOct 26

Polymarket's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.

How this market resolves

Polymarket's own settlement wording, in full. This, not the headline, decides who gets paid.

Show the full rules

This market refers to the tennis match between Flavio Cobolli and Grigor Dimitrov in the Erste Bank Open, originally scheduled for October 27, 2026 at 5:00AM ET.

This market will resolve to 'Flavio Cobolli' if Flavio Cobolli advances against Grigor Dimitrov.

This market will resolve to 'Grigor Dimitrov' if Grigor Dimitrov advances against Flavio Cobolli.

If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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.

Scheduled resolution: Nov 3, 2026.

How to trade this market on Polymarket

  1. Check your state first. Several states restrict sports contracts.
  2. Open a Polymarket account. Americans trade on Polymarket US. Our Polymarket review covers sign-up and payouts.
  3. Buy Yes or No at the price shown, 64¢ for Flavio Cobolli right now. Each contract pays $1 if you are right.
  4. Sell any time before it settles, or hold to the result. Polymarket's fees apply to each trade.
Close-only for US residents

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Common questions

What are the Polymarket odds on Erste Bank Open: Flavio Cobolli vs Grigor Dimitrov?

On Polymarket, the favourite is Flavio Cobolli, at 64%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.

How does this market resolve?

By Polymarket's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.

Is this question on Kalshi too?

Yes. Kalshi's page has its prices and rules. Our side-by-side page shows both prices and both venues' rules.

Can I trade this market in my state?

In most states, yes, on Polymarket US. Sports contracts are the exception: several states restrict them. Check your state first.

How accurate are Polymarket odds?

Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.

What does it cost to trade on Polymarket?

A taker fee on most markets, largest near 50¢, and some categories charge nothing. Polymarket's fees has the detail.