All deals here are grouped by exchange. Inside an exchange deals are grouped by chain length, and inside chain length by profit amount, top to bottom.
Chain length is number of steps (deals) purchase/sale transactions within one exchange which must be make progressively for take a profit.
Beneath every exchange’s name there is an on-off switch that can filter it out. This lets you customize the table and keep only exchanges of interest in the listing, making its perusal easier. All are on by default.
Opposite every deal there is an arrow up button, which will keep a deal of interest on top of the group to avoid losing sight of it after table data are refreshed.