According to @GreeksLive, crypto options block trades totaled a notional $122,143,210 for the week of December 22–28 (source: @GreeksLive). The breakdown shows $120.7M executed on Deribit and $1.5M on OKX (source: @GreeksLive). Based on these figures, Deribit captured approximately 98.8% of weekly block notional while OKX accounted for about 1.2%, indicating block activity was highly concentrated on Deribit (source: @GreeksLive). For traders, this highlights where weekly block liquidity was concentrated and where large options orders were predominantly filled (source: @GreeksLive).