POLYMARKET × KALSHI

See the gap.
Verify the edge.

SpreadSpy finds where the two largest prediction markets disagree, then shows what remains after fees and real order-book depth.

✓ Resolution-matched✓ Fee-adjusted✓ Depth-aware

Start your 7-day trialNo card required · then $49.99/month

By continuing, you agree to the terms and acknowledge this is analytics—not investment advice.

LIVE EDGE BOARDSCAN 104

Fed cut in September62¢ Y34¢ N+3.1%

Spain wins World Cup31¢ Y63¢ N+4.7%

BTC above $150k48¢ Y45¢ N+5.4%

CPI above 3.2%18¢ Y77¢ N+3.9%

◈Verified edge data is subscriber-onlySign in to see live events and venue links

See the gap.Verify the edge.