According to Greeks.live, a common challenge for fund managers handling multiple segregated accounts (SMA) is the inconsistency in execution prices and trading timings across different client portfolios. They have introduced a solution—aggregated Request for Quote (RFQ) synchronized execution, demonstrated by two cases: 7 accounts trading 480 BTC simultaneously and 5 accounts trading 5,278 ETH at the same time, as shared on t.me/GreeksLiveBloc.