Network REV is execution gas fees plus IO gas fees. Storage fees are excluded, because on Movement they are refundable deposits rather than consumed revenue.
Token Holder Net Income is Network REV minus staking reward expense.
Movement launched as an L2/sidechain, then became a sovereign L1 with the M1 mainnet launch on 22 December 2025, which brought native MOVE staking and validator consensus for the first time.
That history gives the charts on this tab two different start dates.
Periods before M1 reflect the earlier L2/sidechain architecture, under which staking did not exist.