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← How prediction markets work ◆ Educational · Updated May 2026

Prediction Markets
vs Stocks

Prediction markets and stocks both let you put money behind your convictions, but they're structurally different products with different risk profiles, tax treatment, and use cases. This guide explains the key differences so you know when each instrument is the right tool.

What you actually own


Stocks

A share of stock represents fractional ownership in a company. You're entitled to a portion of the company's earnings, assets, and growth. There's no fixed expiry: you can hold a stock indefinitely. Your return is open-ended: a stock can go up 10x, 100x, or to zero.

Example: Buy 10 AAPL shares at $200 → own a tiny fraction of Apple. If Apple grows, your shares appreciate. No expiry.
Prediction markets

A prediction market contract represents a binary bet on an outcome. It expires on a defined date and resolves to exactly $1.00 (if YES) or $0.00 (if NO). There's no ownership, no earnings, no dividends: only the resolution outcome.

Example: Buy YES "Will Fed cut rates in March?" at $0.40 → if Fed cuts, receive $1.00. If not, $0.00. Resolves March 20.

Prediction markets vs stocks side by side


FactorStocksPrediction markets (Kalshi)
What you own Fractional equity in a company Binary outcome contract
Expiry No expiry: hold indefinitely Fixed resolution date
Maximum upside Unlimited (stock can 10x, 100x) Capped at $1.00 per contract
Maximum loss 100% of invested capital (to zero) 100% of cost (contract expires $0)
Return driver Company earnings, growth, sentiment Specific event outcome (binary)
Timeframe Days to decades Hours to ~1 year (most <3 months)
Tax treatment Capital gains (long-term if held 1yr+) Ordinary income (no capital gains rate)
Tax form 1099-B (brokerage) 1099-MISC (net profit)
Regulation SEC (Securities Exchange Act) CFTC (Commodity Exchange Act)
Platform Robinhood, Fidelity, Schwab, etc. Kalshi, Polymarket QCEX, Robinhood
Dividends / yield Some stocks pay dividends No yield: binary resolution only
Margin trading Yes: options, margin None on base contracts

This is the most important structural difference


Stocks held longer than one year qualify for long-term capital gains rates: 0%, 15%, or 20% depending on income. Prediction market contracts do not qualify for long-term capital gains treatment regardless of hold period. All Kalshi profits are ordinary income.

Stocks: long-term capital gains

Hold a stock for 1+ year: pay 0% (if low income), 15% (most earners), or 20% (high earners) on the gain. A $10,000 gain at 15% = $1,500 tax. Much lower than ordinary income rates for most traders.

Prediction markets: ordinary income

Kalshi net profit is ordinary income at your marginal rate regardless of hold time. In the 22% bracket: $10,000 profit = $2,200 federal tax. At 37%: $3,700. The hold-period discount doesn't apply.

Practical implication: For long-term wealth building, stocks have a meaningful tax advantage via long-term capital gains rates. Prediction markets are better suited for specific short-term views where you have strong conviction on an outcome: the tax treatment matters less when the timeframe is weeks or months.

Prediction markets and stocks serve different purposes


Use stocks for…
  • Long-term wealth building and compounding
  • Broad market exposure (index funds)
  • Dividend income
  • Expressing multi-year macro views
  • Tax-advantaged accounts (IRA, 401k)
  • Positions where you want to hold for years
Use prediction markets for…
  • Specific short-term event views (Fed rate, election)
  • Defined risk: max loss = cost of contract
  • Hedging against uncertainty (economic data, political events)
  • Markets where you have genuine information edge
  • Binary outcomes where direction is the key question

Common questions


Are prediction markets better than stocks?+

Different tools for different purposes. Stocks are for long-term wealth building through equity ownership. Prediction markets are for defined-risk short-term event bets. Stocks have better tax treatment (long-term capital gains). Prediction markets have defined maximum risk and binary payoff structures. Most serious investors use both.

Are prediction markets riskier than stocks?+

In different ways. A prediction market contract has a defined maximum loss (what you paid). A stock can also go to zero, but typically moves slowly. Prediction markets expire: the clock is always ticking. Stocks can recover from temporary declines. Prediction market risk is concentrated and time-bounded; stock risk is open-ended but gradual.

Can prediction markets predict stock market moves?+

To some extent. Kalshi and Polymarket offer contracts on S&P 500 levels, economic data releases (NFP, CPI), and Fed rate decisions: all of which directly affect stock prices. Sophisticated traders use prediction market prices on these events as additional signals alongside their stock market analysis.

Are prediction market winnings taxed like stock gains?+

No. Prediction market profits on Kalshi are ordinary income regardless of hold period. Stock gains held 1+ year qualify for long-term capital gains rates (0%, 15%, or 20%). Short-term stock gains (held under 1 year) are also ordinary income: same as prediction markets. The long-term capital gains advantage is the key tax difference.