The Capital Efficiency Signal: When ROIC Stops Making Sense
This month, Japan's regulators did something quietly radical. The Corporate Governance Code revision — the first in six years — will require listed companies to demonstrate that they are actually using their cash rather than stockpiling it. The number behind the reform is staggering: roughly $840 billion in idle cash, the highest cash-to-market-cap ratio in the developed world. In FY2025/26, Japanese firms returned just 37.6% of earnings as dividends, against an international average of 54.3%. The capital exists. It simply isn't moving. That phrase — capital that isn't moving — is the entire premise of capital efficiency analysis. Return on invested capital (ROIC) is supposed to tell you how well a company turns money into more money. But ROIC is a backward-looking ratio. By the time it visibly deteriorates, the underlying behavior has been in place for several reporting periods. The more revealing question is not "what is the return?" but "where is the cap...