We do not yet have markets for “one-hour money”, real-time accounting and reporting, and other similar devilries. But they will come.
The Basle Committee has stated that “although regular reporting will in principle take place only at intervals (in most countries quarterly), banks are expected to manage the market risk in their trading book in such a way that the capital requirements are being met on a continuous basis. i.e., at the close of each business day”.