0xInsider
0 out of 5 starsBe the first to reviewPolymarket analytics for sports and esports: wallets graded S to F on settled P&L, both sides of every game, large trades with the grade behind each, and a REST API and MCP server.
Overview
Polymarket analytics for sports and esports: wallets graded S to F on settled P&L, both sides of every game, large trades with the grade behind each, and a REST API and MCP server.
How it works
- An information product, not an execution tool: 0xinsider holds no funds, never asks for keys and places no orders. Game pages link out to Polymarket carrying 0xinsider's referral code, and any bet is placed there.
- Every game card sets the market price on each side against the share of money from wallets graded S, A or B. When those wallets hold more of a side than the price implies, the card shows the gap — a record of where profitable money sits, which 0xinsider itself says does not predict the result.
- Grades run S to F on settled P&L for wallets with enough history and are rebuilt daily; followers and volume do not count. When we looked, 11,550 wallets were graded S, A or B, and 338 of them S.
- Picks are the side the graded wallets hold, released an hour before the game with the price frozen at publish, and scored at a flat $100 with every loss left on the record: 226 settled from Jun 23 to Sep 16, 2026, 150 won (66.4%), +$1,151 — about 5% on $22,600 staked, down from a +$1,980 peak on Aug 28. Most wins came on favorites (127 of 150 priced above 50¢), which is why a high hit rate returns little.
- Developer access comes with Pro: seven REST endpoints described in OpenAPI 3.1, a sandbox that answers without an account, a read-only MCP server from npm (@0xinsider/mcp), a CLI, and MIT-licensed Python and Go SDKs.
- Self-graded: the grades and the pick record are 0xinsider's own arithmetic on public Polymarket trades, not audited by a third party. The domain dates to Jan 31, 2026.
Supported markets
- NBA, WNBA, NFL, college football, NHL, MLB
- Soccer: Premier League, LaLiga, Serie A, Bundesliga, Ligue 1, Champions League, MLS and 8 more leagues
- Tennis, UFC, boxing, cricket
- Esports: CS2, League of Legends, Valorant, Dota 2
Free: the full leaderboard and trader profiles and the previous day's large trades; a free account adds a Market Strength read on every game and the first pick of each day. Pro is one plan at $25 a week, $99 a month or $899 a year — live prices and the profitable-wallet split on every game, every pick with its evidence, the live large-trade feed, suspicious-trade flags, live funding history, reports, exports and the token for the REST API and MCP server. An information product: it holds no funds and places no orders.
Get 0xInsider- Game boards: the price on both sides beside the share of money from S-, A- and B-grade wallets
- Wallet grades S to F, rebuilt daily from settled P&L, on a free leaderboard
- Large-trade feed with the wallet, grade, P&L and strategy label behind each fill
- Three to six picks a day, settled on a public record
- Suspicious-trade flags: unusual size, wallet clusters, new wallets
- Wallet funding history, each pUSD movement linked to its transaction
- REST API with an OpenAPI spec and sandbox, read-only MCP server, CLI, Python and Go SDKs
- Author
- 0xInsider
- Category
- Platforms & Tools
- Website
- 0xinsider.com
- Added
- Jul 3, 2026
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