os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).

Bitwise MSTR Option Income Strategy ETF has an annual dividend of $45.00 per share, with a forward yield of 134.20%. The dividend is paid once a month and the last ex-dividend date was Sep 26, 2025.