According to @GreeksLive, notional block-trade volume totaled 287,390,611 dollars for Oct 20-26, 2025, with 284.1 million on Deribit and 3.3 million on OKX. Source: Greeks.live on X, Oct 27, 2025. Deribit represented approximately 98.9 percent of the weekly total, indicating the overwhelming share of executions on that venue during the period. Source: Greeks.live on X, Oct 27, 2025. Greeks.live reported a recap of the top five block trades for the week on greeks.live, and the seven-day total equates to an average daily notional of about 41.06 million dollars. Source: Greeks.live on X, Oct 27, 2025.

According to @GreeksLive, notional block trading volume totaled $1,076,585,040 for the week of September 29 to October 5 across Deribit and OKX, confirming a $1.0766 billion weekly tally, source: GreeksLive on X, Oct 6, 2025. Deribit accounted for $963.0 million or 89.5% of the reported notional, while OKX handled $113.6 million or 10.5%, quantifying venue concentration in reported block liquidity, source: GreeksLive on X, Oct 6, 2025. The period covered was September 29 to October 5 and included a recap of the top five block trades via greeks.live as highlighted by the source, source: GreeksLive on X, Oct 6, 2025. On a run-rate basis, the total equates to roughly $153.8 million per day of block notional during the week, providing a sizing benchmark for crypto options order flow, source: GreeksLive on X, Oct 6, 2025. Traders monitoring crypto derivatives liquidity can use these venue shares to plan block execution routing and assess depth between Deribit and OKX under similar conditions, source: GreeksLive on X, Oct 6, 2025.

According to @GreeksLive, for August 18-24, notional crypto options block trade volume totaled $780,198,021, with $632.6 million executed on Deribit and $147.6 million on OKX, source: @GreeksLive. This equates to approximately 81.1 percent share for Deribit and 18.9 percent for OKX over the week, highlighting venue concentration in reported block flows, source: @GreeksLive. A recap of the top 5 block trades for the period was also posted, source: @GreeksLive.