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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:

See it with live prices: our 2026 midterm odds page shows Kalshi prices for House control, the Texas Senate race, the Michigan Senate race and other state races, refreshed every 10 minutes.

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)