Optimism · OP
Optimism Investment Calculator
What would buying OP have been worth? Pick a plan and a start date and this replays it against real daily Optimism closes.
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What to keep in mind for OP
OP competes directly with ARB for the same narrative, and the two tend to move together — often on the same rollup news.
Fees are a few cents and move with Ethereum's data costs; chains built on the OP Stack share the same economics.
A backtest is one path that already happened. It shows what this plan produced through the exact sequence of prices OP went through — not what a similar plan will produce through a sequence nobody has seen yet.