Crossbook
live

Will Jordan Bardella win the 2027 French presidential election?

Crossbook compares what two exchanges, Polymarket and Kalshi, charge for the same event, and publishes a permanent scored record of its own forecasts under published rules.

Both venues are priced below, side by side.

Informational only. Not trading or investment advice. Prices may be delayed or inaccurate, and a difference between venues can be an artifact — how this is measured.

Trading1.9pt basisContract settles 30 Apr 2027Last checked 8 Sept 2026, 16:10 UTC
PM2.1%bid 2.1% / ask 2.2%24h volume $34K · liquidity $165Kas of 8 Sept, 16:10 UTCView on Polymarket
KS4.0%bid 2.8% / ask 4.0%24h volume $50 · liquidity –as of 8 Sept, 16:10 UTCView this market's series on Kalshi

How each venue defines this

Each exchange's own settlement text, quoted as written. Where they differ, the difference is usually why the prices do.

These two contracts settle 32 days apart. The venue with the longer window has more time to come good, which moves its price for a reason that is not disagreement.

Settles Apr 30, 27

The next French presidential election is currently expected to be held around April 2027. This market pertains to the outcome of the next French presidential election, regardless of whether it follows the scheduled end of the current term or is held earlier. The President of France is elected via a two-round system; a candidate must secure over 50% of the vote to win outright in the first round. If no candidate achieves this, the top two contenders advance to a runoff. This market will resolve according to the candidate who wins this election. This market includes any potential second rou…

Settles May 31, 27

If Jordan Bardella wins the next French presidential election, then the market resolves to Yes.

Settlement basis

A person confirmed these two markets ask the same question. Their settlement documents have not been compared, so treat the price difference as unverified rather than as a like for like gap.

Confirmed as the same question: Will Jordan Bardella win the 2027 French presidential election?

Crossbook forecast

No public Crossbook forecast on this market yet. Every call that is made is timestamped and scored on the public record, win or lose.

Context

Kalshi prices this at 4% while Polymarket has it at 2%, a gap of 1.9 points on the same question. Whether that gap is real depends entirely on whether the two settle on the same terms.

Volume over the last 24 hours is active, at about $34,424 on the busier venue.

Related markets

Crossbook publishes every forecast it makes, timestamped before the answer is known and scored against the market afterwards. See the public record and the rules it is held to.