UPQ · Market data
Historical bars, option chains and Greeks for the agent and broker simulator.
Market data guide ↗Services
Market data, events and broker simulation
UPQ, ESP and PMB share JSON schemas and time-aligned interfaces.
ESP · News and events
News and earnings calendars queried as of the simulation time.
News and events reference ↗PMB · Broker simulation
Accounts, orders, fills and margin checks for simulated trading.
Trading guide ↗Use in LiveOption
QFinZero in LiveOption
LiveOption uses QFinZero for market data, news and events, and simulated brokerage.
LiveOption
Tasks and agents
Task rules, model inputs, decisions and evaluation.
QFinZeroService hub · REST / Python APIs
UPQMarket dataESPNews & eventsPMBPaper brokerMarket and account data go to the agent. Order proposals are passed to the simulator, which records fills and account changes.
Retrieve market and event data
LiveOption queries QFinZero for the market and event data required by each task.
Submit simulated orders
Proposals are checked against task rules before submission to the broker. Orders, fills and holdings are recorded separately.
Analyze the records
LiveOption uses the saved records to calculate returns, risk metrics and trading behaviour.
Paper and citation
QFinZero · ACL 2026
System Demonstrations · pages 68–77
QFinZero: A Unified Financial Toolchain for LLM-Based Trading Agents
DOI: 10.18653/v1/2026.acl-demo.7
Author-provided BibTeX.
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