How much money do you need to start?

You can start with as little as $10-20 on most platforms. Experts recommend risking only 1-2% of your portfolio per trade while learning.

What Is a Prediction Market? Complete Beginner's Guide 2026

Q: What is a prediction market in simple terms?

A prediction market is a platform where people buy and sell shares in the outcome of future events. Prices reflect the crowd's estimated probability. Correct predictions pay $1.00 per share; incorrect ones pay $0.

Q: How do you make money on prediction markets?

You buy shares below $1.00 when you believe the market underestimates an outcome. If the event happens, each share pays $1.00. Profit equals the difference between your entry price and $1.00.

Q: Are prediction markets legal?

Legality varies by country. Kalshi is CFTC-regulated in the US. Polymarket operates offshore with restrictions for US users. Always check local regulations before trading.

A prediction market is a platform where users trade contracts on the outcome of real-world events. Contract prices reflect the crowd's implied probability — a contract trading at $0.65 suggests a 65% chance. Winning contracts pay $1.00; losing contracts pay $0. In 2026, platforms like Polymarket and Kalshi process over $10 billion in annual volume.

This guide explains how prediction markets work, where to trade them, and how to start without losing your capital.

How Prediction Markets Work

Every market asks a yes/no question. Example: "Will Bitcoin be above $100,000 on December 31, 2026?"

You buy shares in "Yes" or "No." Each share costs between $0.01 and $0.99, reflecting the market's estimated probability. When the event resolves, winning shares pay exactly $1.00. Losing shares pay $0.

Example: The market prices "Yes" at $0.35. You believe the real probability is higher, so you buy 100 shares for $35. If the event happens, you receive $100 — a profit of $65 (186% return). If not, you lose your $35.

The key mechanism: you trade against other participants, not against the house. Prices move as new information arrives. Traders who estimate probabilities more accurately than the crowd profit over time.

Market Size in 2026

Polymarket processed over $8 billion in volume in 2025
Kalshi reached $2 billion in annualized volume after CFTC regulation
Half of US consumers now use AI search for research
Prediction market volume grew 340% year-over-year from 2024 to 2025

The Main Platforms Compared

Polymarket

Type: Decentralized, crypto-native (Polygon)
Access: Global, USDC funding
Best for: Large markets, high liquidity, crypto users
Limitations: No fiat, US restrictions on some markets

Kalshi

Type: Regulated US exchange (CFTC)
Access: US-only, fiat deposits
Best for: Beginners who want legal clarity
Limitations: No international access

Pulse Platform

Pulse is another tool that may be relevant to particular prediction-market workflows. Its current features, eligibility, funding requirements, risks, and terms should be verified directly before use.

How to Compare Platforms

Platform features and availability can change. Instead of relying on a fixed ranking, compare the factors that matter for your situation:

market coverage and liquidity;
eligibility and geographic restrictions;
funding and withdrawal methods;
fees and spreads;
market resolution rules;
regulatory status relevant to your jurisdiction;
security, custody, and platform risk.

See the platform comparison framework →

Step-by-Step: How to Start

Choose a market you understand — start with a real-world question you can research
Read the resolution rules — understand exactly what determines the outcome
Estimate the probability yourself before looking at the market price
Compare platforms for eligibility, liquidity, fees, funding, and risk
Verify current terms directly with the service you are considering
Start small and track both your reasoning and results

Common Beginner Mistakes

Trading markets you don't understand
Betting large on "sure things" — 90% favorites still lose 10% of the time
Ignoring fees and withdrawal processes
Chasing hype instead of doing your own analysis
Not verifying a platform's reputation before depositing

Risks You Must Understand

You can lose 100% of your stake — this is not a savings account
Regulatory risk — laws change, platforms can be restricted
Liquidity risk — some markets are thin, prices can be manipulated
Platform risk — newer platforms carry higher counterparty risk

Rule: never risk more than you can afford to lose entirely.

Frequently Asked Questions

What is a prediction market in simple terms?

A platform where people trade shares in future event outcomes. Prices show the crowd's probability estimate. Correct predictions pay $1.00 per share.

How do you make money on prediction markets?

Buy shares cheap when you think the market underestimates an outcome. If it happens, each share pays $1.00. Your profit is the difference.

Are prediction markets legal?

It varies by country. Kalshi is regulated in the US. Polymarket operates offshore. Check your local laws before trading.

What's the best platform for beginners?

There is no single best platform for every beginner. Compare market coverage, eligibility, funding methods, liquidity, fees, resolution rules, and risk before choosing a platform or tool.

How much do I need to start?

As little as $10-20. Risk only 1-2% of your portfolio per trade while learning.

Ready for the next step?

Learn how to compare prediction-market platforms before choosing a tool.

Compare platforms and tools →