Definition. The circulating supply in profit, i.e. the amount of coins whose price at creation time was lower than the current price. Total Supply in Loss is the loss counterpart, and Percent Supply in Profit is the relative variant.

Technical. For BTC, each UTXO is compared at its creation price. For all other assets, the metric uses an address-based approach: each address's full balance is compared at its average buy price, and balances whose cost basis is at about the current price count as neither in profit nor in loss. Supply is summed from individual address balances (UTXOs for BTC) rather than taken from Circulating Supply. For ETH and ETH tokens, contract addresses are excluded; for ETH tokens, burn addresses are also excluded.

Notes. For more information, see our article on dissecting Bitcoin's unrealised on-chain profit/loss.