Polymarket

Will Bryan Johnson dunk before 2027?

Live Polymarket oddsUpdated 03:20 UTCCloses 1 Jan 2027 (in 2 mo)

Chance of “Yes”

26%▼ 55.0 pts in 24h

Price over the last 7 days, in %

Outcomes

Outcome	Chance	24h
Yes	26%	▼ 55.0 pts
No	74%	—

How this market resolves

This market will resolve to “Yes” if Bryan Johnson announces that he has dunked a basketball, as accepted by him as a successful completion of his challenge, between market creation and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No”. The primary resolution source for this market will be official information from Bryan Johnson or his team; however, a consensus of credible reporting may also be used.

Questions about this market

What are the odds for “Will Bryan Johnson dunk before 2027”?

On Polymarket, traders currently price “Yes” at 26% (as of 23 Oct 2026). The price of a share in cents is the market's implied probability.

What does the percentage mean?

A price of 62¢ means the market implies a 62% chance. A correct share pays $1 when the market resolves, an incorrect one pays nothing, so the price moves as traders update their expectations.

When does this market resolve?

The scheduled close is 1 Jan 2027. Markets can resolve earlier or later according to their rules, shown on this page.

Where can I trade it?

On Polymarket, where availability depends on your country. PredictDesk does not take bets: it shows live odds from Polymarket and Kalshi side by side.

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Odds are implied probabilities from Polymarket and change continuously; they may be delayed. PredictDesk is an information service, not a broker or exchange, and is not affiliated with Polymarket or Kalshi. Nothing here is financial advice. Prediction markets may not be available in your country.