By Garrett Byrd Storage  Authority Franchis e Franchise owners ask smart questions. One asked what percent stock means and why it matters. The answer shapes how you read supply pressure in any market. Percent stock measures the share of new storage space delivered compared to the total space already in place at the start of the period . It gives you a fast read on supply pressure. You see how much new space is hitting a market compared to what already exists. A higher percen
