Repo fails have jumped to more than $320 billion as of the final full week in September, the highest since the very start of January. More importantly, the timing. While there are technical reasons for rising fails, they have been increasing since the first week in August, right when the July payroll report came out. There’s also been substantial selling of foreign reserve assets, an enormous amount which likewise is timed to the release of payroll estimates.
Credit to : Eurodollar University