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CLEARING OPERATIONS - Clearing participant (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Clearing Operations |  |
Cash Contributions | $ 2,598.9 | $ 1,169.2
Non-Cash Contributions | 629.9 | 421.5
Total Contributions | 3,228.8 | 1,590.7
Margin deposits |  |
Clearing Operations |  |
Cash Contributions | 1,666.8 | 600.0
Non-Cash Contributions | 495.8 | 287.0
Total Contributions | 2,162.6 | 887.0
Clearing funds |  |
Clearing Operations |  |
Cash Contributions | 143.5 | 145.9
Non-Cash Contributions | 38.3 | 41.9
Total Contributions | 181.8 | 187.8
Interoperability funds |  |
Clearing Operations |  |
Cash Contributions | 788.6 | 423.3
Non-Cash Contributions | 95.8 | 92.6
Total Contributions | $ 884.4 | $ 515.9

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