MARA −61.5%. Synchrony Financial +3.0%, American Express −9.5%, Coinbase Global −48.5%, Strategy −52.8%. Weekly closes, Oct 17, 2025 = 100, log scale.

End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in MARA’s SEC industry (Finance Services) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.