Skip to content

0xinsider0x

Prediction Market Intelligence

The data analytics layer for Polymarket and Kalshi.

Every wallet graded. Every large trade scored. Every outlier flagged. Trade with conviction, not guesswork.

Create account See pricing

Terminal

Trade Alerts Leaderboard Smart Money Score Large Positions Notifications

Tools

Trader Analytics Compare Traders Portfolio Datasets

Learn

Guides Glossary Exchanges Strategies Compare Platforms Research Academic

Developer

Generate token MCP server API usage Docs CLI planned Webhooks planned Agent planned WebSocket planned

Company

About Methodology Newsroom Changelog Pricing

The data and intelligence layer for Polymarket and Kalshi. Every wallet graded, every large trade scored, every outlier flagged — in real time.

Trustpilot ProfileRead or leave a review on Trustpilot→

Copyright 2026 0xinsider. Prediction market analytics for Polymarket & Kalshi.

All metrics are historical and do not guarantee future performance. 0xinsider is a data and analytics platform, not a trading signal service or financial advisor.

Nothing on this site constitutes investment advice. Trade at your own risk. We will never ask for your passwords or private keys.

Sign in Sign up Support

Terms of Service Privacy Policy Fair Use Methodology System Status RSS Feed llms.txt llms-full.txt agents.md OpenAPI sitemap.xml

← Whale alerts

Kalshi·Sports·May 16, 14:52 UTC

BUY$3,690

82¢ per share · 4,500 shares

Will Madison Keys win the Keys vs Starodubtseva: Semifinal match?

Madison Keys

Signal 29

Spread: 6.9%
Book depth: $110K

Market

Will Madison Keys win the Keys vs Starodubtseva: Semifinal match?

BUYMadison Keys

KXWTACHALLENGERMATCH-26MAY16KEYSTA-KEY

Trader

Anonymous

Kalshi does not reveal trader identities on this route.

Links

View on Kalshi
View all in terminal

Recent Large Trades