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CLEARING OPERATIONS - Clearing participant (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Clearing Operations
Cash Contributions	$ 2,332.1	$ 1,190.6
Non-Cash Contributions	501.5	645.9
Total Contributions	2,833.6	1,836.5
Margin deposits
Clearing Operations
Cash Contributions	1,515.6	319.5
Non-Cash Contributions	333.5	401.0
Total Contributions	1,849.1	720.5
Clearing funds
Clearing Operations
Cash Contributions	150.0	492.6
Non-Cash Contributions	41.3	69.7
Total Contributions	191.3	562.3
Interoperability funds
Clearing Operations
Cash Contributions	666.5	378.5
Non-Cash Contributions	126.7	175.2
Total Contributions	$ 793.2	$ 553.7

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The amount of cash contributions made by clearing participants as on the balance sheet date.

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