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How prediction markets work

Event contracts, implied probability, settlement, and how ChanceWire fits — clarity first, no tipster hype. · 8 min read

Updated 19 September 2026 (Asia/Nicosia)

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Disclosure: ChanceWire may earn a commission when you use certain partner links. Some platforms are comparison-only with no public cash affiliate. This guide is informational orientation — not financial, legal, or tax advice.

A prediction market lets people buy and sell contracts that pay out based on whether a clearly defined event happens. Prices are often read as implied probabilities. ChanceWire is a Bankrate-style destination for browsing those prices (live from Polymarket today) and comparing venues — we do not execute trades or tip outcomes.

Event contracts, not “bets vs the house” (usually)

On many venues you trade against other participants (or an exchange matching engine), not against a sportsbook that embeds house vig in every line. Product shapes in ChanceWire’s catalog include crypto order books (Polymarket — our primary live odds source), CFTC-style USD event contracts (Kalshi; Novig for sports via Ludlow Exchange), and capped political markets (PredictIt). Always read the venue’s own product docs — labels are not interchangeable in every jurisdiction.

How a Yes/No price becomes a probability

If a Yes share trades near $0.62 (or 62¢), markets often treat that as roughly a 62% implied chance the event resolves Yes — before fees, spreads, and your own judgment. See what implied odds mean and the odds comparator.

Implied probability is not a guarantee. Crowds can be wrong; thin books can move on small size; resolution rules matter as much as the headline.

Resolution and settlement

Before you care about a price, care about how the market resolves:

  • Criteria — What must be true for Yes to pay?
  • Source — Which data feed, agency, or ruling settles the contract?
  • Timing — End date, early close, or void rules.
  • Payout unit — USD, USDC, or another asset; any fee on exit.

ChanceWire market pages surface titles, outcomes, and volume for scanning. The venue page remains the source of truth for rules.

Liquidity and volume

Volume and tight spreads usually mean more participants are trading that event — not that the crowd is “right.” Low-volume markets can gap. See how to read a market page.

Who can use which venue

Access is geo- and age-sensitive. Polymarket’s international product and any U.S. offering are not interchangeable. Kalshi and Novig emphasize U.S. regulated access with their own state rules. ChanceWire gates partner CTAs after age confirmation and never publishes VPN or circumvention tips — see how geo and age gates work.

Where ChanceWire fits

Soft CTAs apply where no public cash affiliate is known (e.g. Kalshi / Novig posture until BD clears). More in our affiliate disclosure.

Published 19 September 2026 (Asia/Nicosia). Informational only. Not financial, legal, or tax advice. Rules and fees change — verify on the operator’s site.

FAQ

What is a prediction market?
A prediction market lets people buy and sell contracts that pay out based on whether a clearly defined event happens. Prices are often read as implied probabilities. ChanceWire helps you browse and compare venues — we do not execute trades.
Does ChanceWire execute trades?
No. ChanceWire is comparison and data media. Outbound links may use tracked redirects and age/geo gates. Always confirm eligibility on the venue.
Are implied probabilities guarantees?
No. A Yes price near 62¢ is often read as roughly a 62% implied chance — before fees and spreads — but crowds can be wrong and thin books can move on small size. Resolution rules matter as much as the headline.