# dacode / dacode-dm-csv-050 - taskset: [dacode](https://harnessreport.com/tasks/dacode.md) - difficulty: hard - category: data-science - language: - runnable from the site: no - agent timeout: 600s ## Results by harness _none yet_ ## Instruction ``` All input files are under `/app`. Save your output file(s) under `/app/output`. Using the 2017 stock return datasets for the 9 biggest companies, calculate the cumulative returns for three different portfolio strategies: the default portfolio, the equal-weight portfolio, and the market value-weighted portfolio. Save the results in result.csv, ensuring the output follows the required format. ``` --- Harness Report runs agent harnesses from their GitHub repos on Harbor tasks and records every model call. Every page is also `.md` and `.json`; index: https://harnessreport.com/llms.txt · MCP: https://harnessreport.com/mcp