Tool / applicationLiveData & Developer Tools

pnl-truthteller

Compare intended PnL with actual Polymarket fills.

Polymarket support
Polymarket native
Pricing model
Free
Access requirement
Open
Wallet required
No
Trade execution
None
Last editorial review
Sep 8, 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

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
Free planYes
Access requirementOpen
Wallet requiredNo
Trade executionNone
Product statusLive
Polymarket

Scope-aware product facts

Each row applies only to the named product surface or workflow. The quick facts above remain compact summaries.

Surfaces

ProductWeb · Supported Evidence

Access modes

Primary-WorkflowOpen · wallet No · Not-Required · Non-Custodial Evidence

Execution modes

Primary-WorkflowNone · Not-Supported · Not-Required Evidence

Pricing offers

Primary-ProductFree-Plan · $0 Evidence

Data capabilities

Product-Data · PnlSupported · Mixed Evidence
Product-Data · Fee-AccountingUnknown · Pnl-Fees-Included Evidence
Product-Data · Rewards-AccountingUnknown · Pnl-Rewards-Included Evidence
Product-Data · Open-Positions-AccountingUnknown · Pnl-Open-Positions-Included Evidence
Market-Data · Order-Book-HistoryNot-Applicable · Not-Applicable Evidence

04 · Data provenance

What supports the product's data?

Data provenance coverage: PartialSome provenance fields remain unknown because reviewed evidence does not establish them.

Data originMixed
PnL methodologyMixed
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.

Product activity

PredAtlas tracking and source-review facts, separate from third-party audience metrics.

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

06 · Sources & review

How was pnl-truthteller reviewed?

Documentation strength: Partial3 material facts remain unknown and 0 evidence links need coverage.

Sources reviewed · Sep 8, 2026

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