Will Trump be impeached in 2025?
Polymarket vs Kalshi spread: 4.0%. Buy YES on Kalshi at 4¢, sell YES on Polymarket at 8¢. Data via Musashi — last updated hourly.
Last updated: Apr 29, 2026, 12:00 AM UTC
Current Spread Data
How This Arbitrage Works
Both Polymarket and Kalshi are pricing the same event but at different probabilities. This 4.0% gap lets you trade both sides simultaneously:
Frequently Asked Questions
What is the current arbitrage spread for "Will Trump be impeached in 2025?"?
The current gross spread is 4.0 percentage points: Kalshi prices YES at 4¢ and Polymarket prices YES at 8¢. This data updates hourly via Musashi.
How do I trade this arbitrage?
Buy YES on Kalshi at 4¢ per share. Simultaneously sell YES on Polymarket at 8¢. Your locked-in gross spread is 4.0¢ per share because you collect the higher sale price and pay the lower entry price up front. If YES resolves, the long pays $1 and the short owes $1; if NO resolves, both legs expire worthless, and in either case you keep the initial spread before fees and slippage.
Is this arbitrage risk-free?
Near risk-free in theory, but execution risk exists. Both legs must fill before the spread closes. Slippage, position limits, and the time required to withdraw funds between platforms reduce the realized profit. Model your net spread after fees and slippage before committing.
How often does this spread update?
Musashi polls Polymarket and Kalshi every 15-20 seconds and this page revalidates every hour. For real-time spread data, use the Musashi arbitrage API: GET /api/markets/arbitrage.