7,900+ prediction markets scanned every 10 minutes. Price gaps detected. AI Verdict explains why. Real money backs our calls.
OddsShift is a cross-platform prediction market intelligence tool that compares odds across Polymarket and Kalshi in real time. When the two largest prediction markets disagree on an outcome, OddsShift's AI Verdict explains why — and tracks which platform gets it right. With 7,900+ markets monitored and updated every 10 minutes, OddsShift helps traders find arbitrage opportunities and make data-driven decisions. Last updated:
Every tool shows prices. Only OddsShift explains why platforms disagree — and who's likely right.
Polymarket has 3x higher volume on this market. Higher liquidity suggests more efficient price discovery. The 14pt gap has been widening for 48h, suggesting Kalshi is slow to react to recent tariff rhetoric. Historically, Polymarket leads on political event pricing by 12-24 hours.
We independently track which platform is more accurate by category. Based on 2,400+ resolved markets. No other tool does this.
Polymarket vs Kalshi — live odds side-by-side with AI analysis on every market.
7,900+ marketsCross-platform price gaps detected in real time. See where platforms disagree most.
63 active gapsWhich platform predicts better? Independent scorecard by category and time period.
AI-powered tweet count predictions for Elon Musk, Trump, and 7 more figures.
Where you can legally trade prediction markets. US states, international, and regulatory status.
New to prediction markets? How they work, how to start, Polymarket vs Kalshi explained.
OddsShift is a cross-platform prediction market intelligence tool. It scans 7,900+ markets across Polymarket and Kalshi, finds where platforms disagree on odds, and uses AI analysis (AI Verdict) to explain why — and who's likely right.
It depends on your needs. Kalshi is CFTC-regulated and available in 42+ US states with USD deposits. Polymarket offers lower fees and faster market creation. OddsShift compares both in real time so you can see where each platform offers better odds. See our full comparison.
When Polymarket and Kalshi show different prices for the same event, our AI Verdict analyzes why the gap exists — considering news, liquidity differences, and market dynamics — and estimates which platform is likely more accurate. This is what separates OddsShift from the 170+ other comparison tools.
Cross-platform price comparison is legal. Buying on one platform and selling on another to capture a spread is standard market activity. See our legal guide for state-by-state availability and regulatory details.
Prediction markets are generally well-calibrated for high-liquidity events. OddsShift tracks accuracy independently across both Polymarket and Kalshi by category. See our accuracy tracker for the latest data.