Do not trust the ranking. Reproduce it.
Freeze the question, validate the source, score four candidate systems, inject realistic failures, and compare what each accepted answer actually costs.
Synthetic data only. This lab makes no current market claims and is not investment advice. Pasted CSV stays in your browser.
Candidate systems
Top 10 · adjusted price return · point-in-time membership · synthetic data
Failure injection
Change the source or answer, then inspect the ranking
Synthetic ground truth vs selected answer
Fictional symbols and returns
Verification metrics
Formulas remain visible and editable
70%
0.61
8.4 pts
42%
Task score = 35% overlap + 20% rank + 15% return accuracy + 15% provenance + 15% assumptions
Error impacthigh
Review burdenmed
Model pricelow
Schema validNo duplicates3 illustrative rows