MEV and Block Building - An Overview | Blink.io
Builder Bid Auction By Time Delta to Slot Auction Deadline (Merkle). Each diagram contains the max block value (left) and max transaction count (right) seen across all relays at the specific time delta from the end of the auction. ... The top 3 block builders control 77% of the builder market share and the top 5 control almost 95%.
Source: www.merkle.io