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

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

Polymarket·SPX·May 11, 18:57 UTC

SELL$3,065.66

90.3¢ per share · 3,395 shares

S&P 500 (SPX) Up or Down on May 11?

Up

Signal 19First trade 8d ago

Spread: 2.2%
Book depth: $18K
Trader PnL (this market): -$964.76

Market

S&P 500 (SPX) Up or Down on May 11?

SELLUp

Trader

C

60% win rate across 15 markets

PnL+$231.08WR60%Markets15

Links

View on Polymarket
Transaction0xa7f0c6…
Trader profile
View all in terminal

Recent Large Trades