The Prediction Markets

Next Mayor of Ostrava

Closed
Oct 10, 2026
Traded
$11K
Venues
Polymarket
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This market has closed

Trading ended on Oct 10, 2026. The prices below are the last ones before it closed and no longer update. Browse open markets

Odds by venue

Fair chance strips out each venue’s built-in margin (its prices add up to more than 100%), then blends the venues by how much has traded there, so the outcomes add up to 100%. 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 days ago. Ages are as of when this page was built.

  • Polymarket
Richard Vereš
91.2%
Polymarket 95%(91.2% fair)polled, 62 h agoBest Yes 96¢ on Polymarket, $100 pays $104 (1.04x)
Polymarket
Contract
Richard Vereš
Last price
95%
Fair, margin removed
91.2%
As of
Polled 2 d ago
Buy Yes
96¢
Sell Yes
94¢
$100 on Yes pays
$104 (1.04x)
Volume
$3K
Trade this on Polymarket
Jan Dohnal
5.2%
Polymarket 5.5%polled, 62 h agoBest Yes 9.1¢ on Polymarket, $100 pays $1,099 (11.0x)
Polymarket
Contract
Jan Dohnal
Last price
5.5%
As of
Polled 2 d ago
Buy Yes
9.1¢
Sell Yes
1.8¢
$100 on Yes pays
$1,099 (11.0x)
Volume
$3K
Trade this on Polymarket
Ivana Lucáková Nesétová
1.2%
Polymarket 1.2%polled, 62 h agoBest Yes 2.3¢ on Polymarket, $100 pays $4,348 (43.5x)
Polymarket
Contract
Ivana Lucáková Nesétová
Last price
1.2%
As of
Polled 2 d ago
Buy Yes
2.3¢
Sell Yes
0.1¢
$100 on Yes pays
$4,348 (43.5x)
Volume
$953
Trade this on Polymarket
Aleš Boháč
1%
Polymarket 1.1%polled, 62 h agoBest Yes 1.1¢ on Polymarket, $100 pays $9,091 (90.9x)
Polymarket
Contract
Aleš Boháč
Last price
1.1%
As of
Polled 2 d ago
Buy Yes
1.1¢
Sell Yes
1¢
$100 on Yes pays
$9,091 (90.9x)
Volume
$1K
Trade this on Polymarket
Matěj Gregor
0.4%
Polymarket 0.5%polled, 62 h agoBest Yes 0.5¢ on Polymarket, $100 pays $20,000 (200x)
Polymarket
Contract
Matěj Gregor
Last price
0.5%
As of
Polled 2 d ago
Buy Yes
0.5¢
Sell Yes
0.4¢
$100 on Yes pays
$20,000 (200x)
Volume
$644
Trade this on Polymarket
Ondřej Němeček
0.4%
Polymarket 0.5%polled, 62 h agoBest Yes 0.9¢ on Polymarket, $100 pays $11,111 (111x)
Polymarket
Contract
Ondřej Němeček
Last price
0.5%
As of
Polled 2 d ago
Buy Yes
0.9¢
Sell Yes
—
$100 on Yes pays
$11,111 (111x)
Volume
$384
Trade this on Polymarket
Lukáš Semerák
0.3%
Polymarket 0.3%polled, 62 h agoBest Yes 0.6¢ on Polymarket, $100 pays $16,667 (167x)
Polymarket
Contract
Lukáš Semerák
Last price
0.3%
As of
Polled 2 d ago
Buy Yes
0.6¢
Sell Yes
—
$100 on Yes pays
$16,667 (167x)
Volume
$461
Trade this on Polymarket
Rostislav Řeha
0.2%
Polymarket 0.2%polled, 62 h agoBest Yes 0.3¢ on Polymarket, $100 pays $33,333 (333x)
Polymarket
Contract
Rostislav Řeha
Last price
0.2%
As of
Polled 2 d ago
Buy Yes
0.3¢
Sell Yes
—
$100 on Yes pays
$33,333 (333x)
Volume
$601
Trade this on Polymarket
Peter Harvánek
0.1%
Polymarket 0.1%polled, 62 h agoBest Yes 0.2¢ on Polymarket, $100 pays $50,000 (500x)
Polymarket
Contract
Peter Harvánek
Last price
0.1%
As of
Polled 2 d ago
Buy Yes
0.2¢
Sell Yes
—
$100 on Yes pays
$50,000 (500x)
Volume
$374
Trade this on Polymarket

Who resolves this market

Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: volby.cz

How the odds have moved

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

  • Richard Vereš
  • Jan Dohnal
  • Ivana Lucáková Nesétová

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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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 0.04 × price × (1 − price) per share (politics rate). Fee calculator. Estimates only, not advice.

About this market

Final prediction market prices for "Next Mayor of Ostrava". Richard Vereš last traded at 91.2%. Next is Jan Dohnal at 5.2%. $11K has traded across 9 outcomes on Polymarket. The market closed on Oct 10, 2026.

Municipal elections are currently scheduled to be held in Czechia on October 9-10, 2026. The next mayor of Ostrava will be elected by the newly constituted council following the 2026 Czech municipal elections. This market will resolve to the first individual who officially assumes the role of Mayor of Ostrava following the 2026 Czech municipal elections. A qualifying individual must be elected mayor by the city council. Temporary, interim, or placeholder mayors appointed before the election will not be considered. If the result of this election isn't known by June 30, 2027, 11:59 PM ET, the market will resolve to "Other". The primary resolution source for this market will be official information from the government of Czechia and Ostrava.

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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