09/03/2026
The median small business holds 27 days of cash.
That is from the JPMorgan Chase Institute's study of 597,000 small businesses, and a quarter of them held fewer than 13 days. The research used 2015 data, so treat it as a baseline rather than a current reading.
Twenty-seven days is under four weeks. Which is why a monthly profit and loss statement is the wrong instrument: it was never built to answer a weekly question. The businesses that get caught short are rarely the unprofitable ones. They are the ones who could not see a specific Friday coming.
We wrote up how to build a 13-week cash flow forecast, what a lender reads in it, and we put a free Excel template on the page with the rows and formulas already built.
Read the full insight: https://capitalsourcegroup.com/2026/09/03/13-week-cash-flow-forecast/