{"task": {"agent_timeout": 600, "task": "dacode-data-sa-013", "verifier_timeout": 600, "instruction": "All input files are under `/app`. Save your output file(s) under `/app/output`.\n\nFor this task, estimate the 95% Value at Risk (VaR) for a stock portfolio over two periods (2005-2006 and 2007-2009): compute daily returns, form equal-weighted portfolio returns, calculate losses, and take the 95th percentile of losses for each period; save the outputs to \"result.csv\" in the required format with exactly two columns named \"VaR_95, 2005-2006\" and \"VaR_95, 2007-2009\".", "memory": "4096m", "runnable": false, "difficulty": "medium", "language": "", "cpus": 1, "instruction_truncated": false, "category": "data-science", "compose": false, "has_solution": true, "oracle": null, "docker_image": "", "taskset": "dacode", "tags": ["data-processing", "coding", "data", "data-sa"]}, "runs": []}