保值 (noun) refers to the concept of preserving the purchasing power or monetary value of an asset over time, especially against inflation. It commonly appears in financial contexts — 保值产品 (value-preserving products), 保值储蓄 (inflation-adjusted savings). Though the characters form a verb-object compound (保 'protect' + 值 'value'), in HSK 7 you'll encounter it primarily as a noun describing the abstract quality of value retention. Be aware that in everyday use it behaves as a separable verb (离合词): 保不了值 (cannot maintain its value), but the official POS for this entry is noun.