Prediction Markets
What prediction markets are, how to read them, and platform-specific performance data.
Featured Content
Calculators & Tools
3 toolsLearn
24 articlesSports Event Contracts: Why They're the Legal Flashpoint
Election and economic contracts on Kalshi barely draw a legal challenge. Sports contracts have triggered lawsuits in 20+ states. Here's the gaming-vs-derivatives question driving every case.
Apr 2026Whale Tracker: Follow $10K+ Polymarket Trades Live
Track Polymarket whale trades over $10,000 in real time — wallet profiles, win rates, and a free leaderboard on OddsReference's on-chain dashboard.
Apr 2026Same Market, Different Price: Cross-Platform Divergence
Why the same event prices differently on Polymarket, Kalshi, and Metaculus — which gaps are structural, which are actionable, and how to track them live.
Mar 2026Kalshi Limit Orders: How the Pencil Icon Cuts Fees 75%
Kalshi defaults new traders to Quick Orders and taker fees. A pencil icon most miss switches to limit orders, cutting fees 75%. Here's the math.
Mar 2026What Is Calibration in Forecasting? A Data-Driven Explainer
A forecaster is calibrated when 70% predictions come true 70% of the time. How calibration is measured, Brier scores explained, and top platforms compared.
Mar 2026Prediction Market Accuracy Report 2026: Calibration Data
How well-calibrated are Polymarket, Kalshi, and Metaculus? 2026 calibration data by probability bin, category, and platform -- plus honest limitations.
Platforms
5 articlesMetaculus: Platform Profile and Performance Data
Reference guide to Metaculus, the reputation-based prediction market platform. Scoring system, accuracy track record, forecaster community, and comparison data.
Mar 2026Manifold Markets: Play-Money Platform Profile (2026)
Manifold Markets profile: play-money forecasting, mana currency, LMSR mechanics, market creation, and accuracy vs. Kalshi and Polymarket.
Mar 2026Robinhood Prediction Markets: Fees & Platform Profile (2026)
Robinhood brings CFTC-regulated event contracts to 20M+ brokerage accounts -- fees, markets, and Kalshi comparison, verified July 2026.
Feb 2026Kalshi: Platform Profile and Performance Data
Complete reference for Kalshi — the first CFTC-regulated prediction market exchange. Fees, event contract mechanics, regulatory significance, and accuracy data.
Feb 2026Polymarket Platform Profile: Fees & US Access (2026)
Polymarket profile: CLOB mechanics, the ~2% settlement fee, and QCEX-powered US beta access. Fees and access status verified July 2026.
Reviews
4 articlesBest Prediction Markets 2026: Fees & Accuracy Ranked
Kalshi, Polymarket, and DraftKings Predicts ranked by fees, regulation, and calibration -- updated July 18, 2026.
Mar 2026Polymarket Review 2026: Fees, CLOB & US Beta Access
Polymarket review: CLOB mechanics, the ~2% settlement fee, QCEX US beta access, and how it compares to Kalshi. Verified July 2026.
Mar 2026DraftKings Predicts Review: 38-State Access & Fees (2026)
DraftKings Predicts review: 38-state coverage including CA and TX, CME Group routing, and the only prediction market with an existing affiliate program.
Mar 2026Kalshi Review 2026: Fees, Contracts & CFTC-Regulated Trading
Kalshi review: CFTC regulation, per-contract fees, state restrictions, and the payout dispute and lawsuit controversies -- rated across 6 categories.