Beta
    LiveEventsArbitrageWhalesSocialLearnArticlesPortfolio

    Weekly Market Brief

    Arbitrage alerts, platform updates, and top movers — one email per week.

    Real-time prediction market odds, cross-platform arbitrage, and market analytics — all in one place.

    About·Terms·Privacy·Press

    Guides

    • How It Works
    • Getting Started
    • Best Apps
    • Fees Guide
    • Tax Guide
    • Settlement Rules
    • Glossary
    • All guides →

    Platforms

    • Kalshi
    • Polymarket
    • FanDuel Predicts
    • Robinhood
    • DraftKings
    • PredictIt
    • Kalshi vs Polymarket
    • All platforms →

    Explore

    • Live
    • Events
    • Arbitrage
    • Whale Tracking
    • Leaderboard
    • Articles
    • Regulatory Tracker
    • State Checker

    Categories

    • Politics
    • Economics
    • Crypto
    • Sports
    • Entertainment
    • Weather

    Disclaimer: PredictionMarkets.us provides arbitrage information, market data, and educational content for informational purposes only. We do not guarantee the accuracy, completeness, profitability, availability, or timeliness of any opportunities displayed on this page. PredictionMarkets.us is not responsible for: trading losses or financial damages, incorrect or outdated odds/pricing, delays in market updates, platform outages or exchange errors, failed trades or execution issues, account restrictions or limitations imposed by third-party platforms, changes in market conditions, tax or legal consequences resulting from trading activity. Users are solely responsible for conducting their own research and making their own financial decisions. Trading prediction markets involves risk, and past performance or displayed arbitrage opportunities do not guarantee future results. PredictionMarkets.us is not a broker, financial advisor, investment advisor, or gambling operator.

    © 2026 PredictionMarkets.US

    For informational purposes only. Not financial advice.

    All GuidesHow-To

    How-To

    Practical guides for the questions you actually have. Setup, troubleshooting, payouts, account issues, withdrawals — all answered.

    52 guidesUpdated May 2026
    Start here
    01

    How to Read Prediction Market Prices

    7 min read
    02

    Why Does My Balance Look Wrong?

    6 min read
    03

    Polymarket Troubleshooting Hub — All Common Issues

    20 min read
    All Guides

    49 guides available

    How to Exit an Illiquid Prediction Market

    6 min read

    Why did my Polymarket order look filled, then fail or freeze?

    7 min read

    Why Polymarket's App Shows the Wrong P&L After a Baseball Game Settles

    9 min read

    Polymarket 'View-Only Mode' Explained — How the Geofence Works

    8 min read

    How Polymarket's Up-or-Down Crypto Markets Work

    8 min read

    Kalshi Troubleshooting Hub — Restrictions, Payouts & Settlement

    15 min read

    Kalshi Multi-Leg Cashout Math: Why a Combo Cashes Out Below Max

    6 min read

    Kalshi Combo Payout 'Not Available': What It Means

    4 min read

    Kalshi Order Types During a Price Spike — Limits, Quick Orders, and Why There's No Stop-Loss

    8 min read

    How Prediction Markets Resolve

    11 min read

    When Your Funds Are Stuck

    9 min read

    What Happens When a Market Resolves Wrong?

    9 min read

    Kalshi Fractional Pricing

    6 min read

    What Does It Cost to Withdraw from Polymarket?

    4 min read

    Coinbase Prediction Markets Troubleshooting Hub

    12 min read

    Robinhood Predictions Troubleshooting Hub

    10 min read

    What If the Player Doesn't Play?

    6 min read

    Why Did Money Appear in My Account?

    5 min read

    Why Is My P&L Wrong?

    6 min read

    Why Bots Lose Money on Execution

    7 min read

    Why Charts Look Wrong After Close

    5 min read

    How Markets Settle

    8 min read

    Fee Calculator

    Tool

    Payout Calculator

    Tool

    How Prediction Market Payouts Work

    7 min read

    How Prediction Market Prices Work

    8 min read

    Why Did My Payout Drop?

    7 min read

    For Finance Professionals

    11 min read

    For Sports Bettors

    10 min read

    Arbitrage Explained

    11 min read

    Systematic Trading Guide

    14 min read

    What Gives You Edge on Polymarket

    12 min read

    Why 99¢ Bets Aren't Free Money

    8 min read

    How to Read Price Spikes

    8 min read

    How Markets Know Who Won

    8 min read

    How Markets Get Listed

    8 min read

    Settlement Sources Explained

    9 min read

    How Timing Contracts Work

    7 min read

    Kalshi Weather Settlement

    8 min read

    How Markets React to Live Events

    8 min read

    Real vs Fake Arbitrage

    8 min read

    Reading Geopolitical Event Odds

    9 min read

    Sports Bettors: Platforms & Differences

    9 min read

    Setting Market Alerts

    6 min read

    Prediction Market Tools Taxonomy

    10 min read

    ForecastEx 1099 Issues

    6 min read

    How to Audit a Market's Resolution Rules Before You Enter

    7 min read

    What Happens After the World Cup Final on Prediction Markets

    4 min read

    How to Evaluate Prediction Market Venue Execution Quality

    8 min read
    Explore other topics
    Fundamentals22 guides
    Platforms41 guides
    Comparisons17 guides
    Regulation52 guides
    Trust & Safety23 guides
    Markets by Topic10 guides
    Browse all 218 guides