{ "id": "123", "instruction_en": "Assume that in January 2002 you enter a “portfolio” by going long ERCOT peak power and short an equal-scale amount of NYMEX natural gas. Over the full year 2002, does this portfolio make or lose money, and what is its nominal return?", "source_files": [ "123_src_0.xlsx" ], "source_files_urls": [ "https://huggingface.co/datasets/FinWorkBench/Finch/resolve/main/files/123/123_src_0.xlsx" ], "task_type": "Calculation", "business_type": "Pricing and Valuation, Trading and Risk Management", "task_constraints": "", "reference_outputs": { "files": [], "text": "Interpreting “equal scale” as a dollar-neutral position, the trade loses money over the full year 2002, with a nominal return of approximately –2.0 dollars per portfolio unit." }, "reference_file_urls": [] }