What Are Prediction Markets? Complete Beginner's Guide [2026]

Everything you need to know about prediction markets — how they work, why they matter, and how to get started trading on real-world events.

Last updated: 2026-03-05

What Is a Prediction Market?

A prediction market is a platform where you can buy and sell contracts based on the outcome of real-world events. Think of it like a stock market, but instead of trading company shares, you’re trading on whether something will happen.

Example: “Will the US unemployment rate be above 4% in June 2026?”

  • If you think YES, you buy a YES contract (say, at $0.60)
  • If the unemployment rate IS above 4%, your contract pays out $1.00 — you profit $0.40
  • If it’s NOT, your contract pays $0.00 — you lose $0.60

The price of a contract represents the crowd’s estimated probability of the event occurring. A YES contract at $0.60 means the market thinks there’s a ~60% chance.

Why Prediction Markets Matter

Prediction markets have gained massive attention because they tend to be more accurate than polls, pundits, and expert forecasts:

  • 2024 US Election: Polymarket’s odds were more accurate than every major poll
  • Fed Rate Decisions: Markets price in rate moves before announcements
  • Geopolitical Events: Markets react faster than news networks

This accuracy comes from skin in the game — traders risk real money, which incentivizes honest probability estimates rather than wishful thinking.

How Are They Different from Sports Betting?

AspectPrediction MarketsSports Betting
ClassificationFinancial instrumentsGambling
RegulatorCFTC (federal)State gaming commissions
EventsAnything — politics, economics, weather, sports, cryptoSports only
PricingExchange-based (like stocks)House sets the odds
Google classificationFinanceGambling
Tax treatment1099-B (investment gains)W-2G (gambling winnings)

Types of Prediction Markets

Pure Prediction Exchanges

Platforms dedicated entirely to prediction markets:

  • Kalshi — CFTC-regulated, US-focused
  • Polymarket — Crypto-native, global, highest volume

Hybrid Platforms

Sports betting platforms that added prediction features:

Crypto-Native

Built within cryptocurrency ecosystems:

How to Get Started

Step 1: Choose a Platform

For US beginners, we recommend Kalshi — it’s CFTC-regulated, accepts bank deposits, and has a clean interface. See our full platform comparison for help deciding.

Step 2: Create an Account

Sign up and complete identity verification (KYC). This typically takes 5-10 minutes.

Step 3: Fund Your Account

Deposit via bank transfer, debit card, or crypto depending on the platform. Start small — $20-50 is enough to learn.

Step 4: Start with Simple Markets

Look for binary (yes/no) contracts on events you understand. Economics markets (Fed decisions, jobs data) tend to have clear resolution criteria.

Step 5: Learn the Mechanics

  • Limit orders let you set the price you want
  • Market orders execute immediately at current prices
  • You can sell contracts before events resolve (like selling stocks)
  • Diversify across multiple markets to manage risk

In the US, prediction markets are legal when operated on a CFTC-regulated exchange (Kalshi). Google officially classified prediction markets as finance, not gambling in January 2026, which opens up advertising and reduces content restrictions.

See our state-by-state legality guide for details.

How Are Profits Taxed?

Prediction market gains are generally treated as capital gains (similar to stock trading), not gambling winnings. This means:

  • Reported on Form 1099-B
  • Subject to capital gains tax rates
  • Losses can offset gains

See our tax guide for the full breakdown.

Key Terms

  • Contract — A tradeable agreement that pays $1 if an event happens, $0 if it doesn’t
  • Resolution — When the event occurs and contracts are settled
  • Spread — The difference between the best buy and sell price
  • Liquidity — How easy it is to buy/sell without moving the price
  • Order book — The list of all open buy and sell orders
  • Oracle — The system that determines event outcomes (Polymarket uses UMA)