About JEV Fund
A public, tax-funded prediction-market treasury where probabilistic machine decisions operate inside strict, inspectable trading rules.
TypeSafe official website ↗Decision intelligence built for software
JEV is TypeSafe's first public System One Model. Unlike a general chat model that produces open-ended text, JEV is designed to receive application state and return typed decisions, probabilities and confidence values that ordinary software can validate and use.
Inside this project, JEV has one bounded responsibility: evaluate whether Bitcoin is more likely to finish UP or DOWN relative to the opening reference of the active Polymarket five-minute window. It does not control the wallet, choose arbitrary markets or bypass risk rules.
JEV's output is treated as an opinion—not an instruction. Deterministic application code decides whether that opinion is eligible for execution.
Intelligence is only one layer
Every layer has a narrow responsibility and a public result.
- MARKET INPUTPolymarket market, bid/ask, time remaining and BTC context
- JEV JUDGMENTUP/DOWN choice, probability distribution and confidence
- POLICY GATESConfidence, edge, price, timing, freshness and duplicate checks
- POSITION SIZINGControlled by the execution policy and market constraints
- EXECUTIONFOK order submitted to Polymarket
- PUBLIC LEDGERPosition, result, P&L and execution evidence published
From token activity to a rolling treasury
A token launched through Flap produces trading-tax revenue. Tax proceeds arrive in a designated public wallet, are converted into USDC, and are transferred to the project's Polymarket account. Conversion and funding may remain manual during the first release.
The account is not periodically reset. Resolved principal and every profit or loss stay in the treasury. Position size is controlled by the execution policy, available capital and Polymarket market constraints.
What must be true before an order exists
01Inputs are complete, current and tied to the active market window.
02JEV confidence is strictly above the configured 90% gate.
03Estimated win probability exceeds the executable ask by the required edge.
04The ask is below the maximum permitted purchase price.
05Enough time remains before resolution to permit entry.
06No duplicate or conflicting position already exists for the window.
07The order satisfies current Polymarket minimum requirements.
If any check fails, the correct action is WAIT. A high-confidence JEV answer does not guarantee a trade.
From signal to settlement
- OBSERVERefresh the active market and portfolio state.
- DECIDEJEV returns typed probabilities and confidence.
- VALIDATEPolicy rejects or approves the opportunity.
- SIZEConvert the treasury rule into shares at the live ask.
- SUBMITSend a FOK order; an unfilled order does not remain resting.
- HOLDHold an acquired position to market resolution.
- RECORDUpdate balance, execution evidence and public history.
What visitors should be able to verify
- Official X/Twitter identity and Polymarket profile
- Flap tax wallet and Polymarket funding account
- Tax receipts, USDC funding transfers and account balance
- Open positions, entry price, shares and current valuation
- Resolved markets, wins, losses and cumulative P&L
- JEV probabilities, confidence and policy checks
- Order IDs, transaction hashes or execution evidence
The website publishes structured decision summaries, not private model chain-of-thought. The objective is behavioral auditability: inputs, typed output, policy result and final action.
Every number needs a source
LIVERetrieved from a real market or account source.
ONCHAINSupported by a public wallet or transaction record.
PENDINGAwaiting execution, confirmation or settlement.
Transparent does not mean risk-free.
JEV probabilities can be wrong. Markets can move before execution. Orders can fail. APIs and minimum-order rules can change. Tax revenue does not guarantee profit. This project is experimental software and not financial advice.