CBOE +13.2%. Nasdaq +3.1%, LPL Financial +0.5%, CME Group −0.6%, Intercontinental Exchange −7.7%. Weekly closes, Oct 3, 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 CBOE’s SEC industry (Security & Commodity Brokers, Dealers, Exchanges & Services) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.