Submit a Tool
Tools/Data & Developer Tools/pnl-truthteller
Tool / applicationLiveData & Developer Tools

pnl-truthteller

Compare intended PnL with actual Polymarket fills.

Listed badgeSuggest an updateVisit official website
Polymarket support
Polymarket native
Pricing model
Free · Scope and terms apply
Access requirement
Open access
Wallet required
No
Trade execution
None
Last editorial review
Nov 6, 2026

01 · Overview

What is pnl-truthteller?

pnl-truthteller is a read-only audit tool for comparing strategy or database PnL with observed Polymarket fills, prices and slippage. Best for: Developers validating whether their local accounting matches execution records. Less suitable for: Users seeking a full tax ledger, official balance or trading interface. Key limitations: The audit only measures fields available to it; missing fees, rewards, transfers, open exposure or incomplete local records can change results.

Historical DataWallet Analytics
Explore pnl-truthteller by taskTrack portfolio & PnLAnalyze a walletBuild with Polymarket data

02 · Best for

Who is pnl-truthteller best for?

Best for

Developers validating whether their local accounting matches execution records.

Not ideal for

Users seeking a full tax ledger, official balance or trading interface.

Limitations

The audit only measures fields available to it; missing fees, rewards, transfers, open exposure or incomplete local records can change results.

03 · Access & execution

How do access and execution work?

Entity typeTool / application
Polymarket supportPolymarket native
Pricing modelFree · Scope and terms apply
Free planYes
Access requirementOpen access
Wallet requiredNo
Trade executionNone
Product statusLive
Polymarket

Scope-aware product facts

What to look for

Surfaces

ProductUnknown · Supported Evidence

Access modes

Primary workflowOpen access · wallet No · Not required · Non-custodial Evidence

Execution modes

Primary workflowNone · Not supported · Not required Evidence

Pricing offers

Primary productFree plan · $0 · Supported Evidence

Data capabilities

Product data · P&LSupported · Mixed sources Evidence
Product data · Fee accountingUnknown · Fees included in P&L Evidence
Product data · Rewards accountingUnknown · Rewards included in P&L Evidence
Product data · Open positions accountingUnknown · Open positions included in P&L Evidence
Market data · Order book historyNot applicable · Not applicable Evidence

04 · Data provenance

Data provenance

Current coverage: PartialA transparent record of which official sources were checked and when.

Data originMixed sources
PnL methodologyMixed sources
Fees includedUnknown
Rewards includedUnknown
Open positions includedUnknown
Order-book historyNot applicable
Update cadenceNot applicable
Review provenance evidence

05 · Public footprint

Public footprint

Current public signals from official platform sources, shown with their observation dates.

GitHub
0Stars
0Forks
May 16, 2026Last update
v0.1.1Latest release
Platform reported
Product activity

A transparent record of which official sources were checked and when.

Product statusLive
Tracked by PredAtlas sinceSep 8, 2026
Last editorial reviewNov 6, 2026
Latest public updateMay 16, 2026
Official documentationYes
Public repositoryYes

06 · Sources & review

How was pnl-truthteller reviewed?

Documentation strength: PartialA transparent record of which official sources were checked and when.

Sources reviewed · Nov 6, 2026

Official product sources were checked for documented identity, scope, access, pricing and limitations. This is not a security audit, performance test or endorsement.

GitHub repositorygithub.comDocumentationgithub.com