An increase in the value of an asset or a decrease in the value of a liability that occurs without any action on the part of the holder. For example, if the value of one's house increases from $100,000 to $150,000 over three years, one has a holding gain of $50,000 over that period. Holding gains improve one's net worth.
holding gains
increases in value resulting from holding an asset, eg, a rise in the value of factory premises caused by inflation.