The assessment is based on the high authority and direct relevance of the primary data provided by the U.S. Department of the Treasury. The statement describes a well-known pattern in financial markets where investors often buy safe-haven assets, such as U.S. Treasury bonds, in the period leading up to major scheduled economic data releases. This behavior, often termed a 'flight to safety' or pre-event de-risking, is driven by uncertainty about the data's outcome and its potential impact on the market. An increase in demand for Treasury bonds raises their price and, conversely, lowers their yield.While the provided sources do not offer a pre-written analysis or explicit confirmation of the statement, the 'Interest Rates Data CSV Archive' is the definitive primary source containing the raw historical data necessary to verify this trend. The existence of this high-quality, authoritative data allows for empirical testing of the statement. The statement's alignment with established principles of market behavior, combined with the availability of the exact data required to prove it from a highly authoritative source, makes it very likely to be true as a general market tendency. The assessment is not absolute (1.0 probability) because this is a behavioral pattern, not a physical law, and market conditions can lead to exceptions where yields might rise or stay flat before a data release.