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===Calculating your {{csaprov|Credit Support Amount}}=== | ===Calculating your {{csaprov|Credit Support Amount}}=== | ||
How the {{csaprov|IA}} contributes to the {{csaprov|Credit Support Amount}} — being the total | How the {{csaprov|IA}} contributes to the {{csaprov|Credit Support Amount}} — being the amount of credit support in total that one party must have given the other at any time<ref>As opposed to the amount required to be transferred ''on that day'', considering the “{{csaprov|Credit Support Balance}}” the {{csaprov|Transferee}} already holds — that’s the {{csaprov|Delivery Amount}} or {{csaprov|Return Amount}}, [[as the case may be]].</ref> can be mind-boggling. | ||
It pans out for a {{csaprov|Transferee}} like so: | It pans out for a {{csaprov|Transferee}} like so: | ||
*The {{csaprov|Transferee}}’s {{csaprov|Exposure}} - the net [[mark-to-market]] value the {{csaprov|Transferor}} would owe the {{csaprov|Transferee}} under all outstanding {{isdaprov|Transactions}} if they were [[closed out]] (not counting, of course, the {{csa}} itself). Call this '''E'''. | |||
*Add to E the total {{csaprov|Independent Amount}} {{csaprov|Transferor}} must give the {{csaprov|Transferee}}. Call this '''IA<sub>t</sub>'''. ''E + IA<sub>t</sub>'' is the total amount {{csaprov|Transferor}} would be holding at the end of the day if it weren’t for ... | |||
*Any {{csaprov|Independent Amount}} the {{csaprov|Transferee}} has to pay the {{csaprov|Transferor}}. Call this '''IA<sub>r</sub>'''.<br>''There’s something faintly absurd both parties exchanging {{csaprov|Independent Amounts}} by [[title transfer]] — they net off against each other — but that’s as may be. Stupider things have happened<ref>[[SFTR]] disclosure, for example.</ref>.''. Lastly there is ... | |||
*Any {{csaprov|Threshold}} that applies to the {{csaprov|Transferor}} - being the Exposure which triggers its [[variation margin]] obligation in the first place.<br /> | |||
This leaves you with a formula as follows: | This leaves you with a formula as follows: | ||
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Let's plug in some numbers. Say: | Let's plug in some numbers. Say: | ||
*{{csaprov|Exposure}} is 10,000,000 | *Your {{csaprov|Exposure}} is 10,000,000 | ||
*The IA<sub>t</sub> you owe | *The IA<sub>t</sub> you owe the counterparty: 2,000,000 | ||
*IA<sub>r</sub> | *IA<sub>r</sub> the counterparty owes you: 0 | ||
*Your {{csaprov|Threshold}}: 5,000,000 | *Your {{csaprov|Threshold}}: 5,000,000 | ||