The 'Rate of Gain' and 'Rate of Return' columns display percentages > -1 and < 1 without the leading zero. For example, a percentage of -0.10% is displayed as -.10% and 0.10% is displayed as .10%. This is a regression which was working correctly in 2.6.21.
Try edit advanced-portfolio.scm and amend the string ~0,2f as follows (replace all of them) (format #f "~0,2f%" ... to (format #f "~,2f%" ...
Thanks Christopher, that mod fixes the issue.
fixed in repository. will be available in next release. thank you for reporting.