Mean Coin Age measures the average age of all unspent transaction outputs on the network, weighted by coin value - calculating the mean number of days each coin has remained in its current wallet without being moved. The result reflects the aggregate dormancy of circulating supply at any given point in time.
When Mean Coin Age rises steadily, coins are remaining unmoved for longer periods on average - reflecting broad-based holding behavior, reduced on-chain activity, and a market environment where participants are accumulating rather than transacting. Gradual increases over time are typical of consolidation phases where supply is quietly maturing in long-term holder wallets.
Sudden sharp declines are the most actionable signal this metric produces - a rapid drop indicates that a large volume of previously dormant coins have moved simultaneously, destroying accumulated coin age across the network. These events historically coincide with significant market activity from long-term holders, whether distributing into strength or repositioning ahead of major price moves.
