IMM dates
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The IMM dates are the four quarterly dates of each year which certain money market and Foreign Exchange futures contracts and option contracts use as their scheduled maturity date or termination date. The dates are the third Wednesday of March, June, September and December (i.e., between the 15th and 21st, whichever such day is a Wednesday). These contracts stop trading the Monday preceding the third Wednesday of a March quarterly cycle. see CME Tutorial IMM stands for the International Monetary Market. This choice of date – middle of month and middle of week – minimizes issues with date rolling, as holidays are very unlikely to make the closest business day in another week or other month. The term is also used for the conventional quarterly termination dates of credit default swaps, which fall on 20 March, 20 June, 20 September and 20 December – note that these may fall on a weekend. These are not precisely the IMM dates, but they fall close to them and thus are also referred to as "IMM dates", by abuse of language.
The IMM dates are the four quarterly dates of each year which certain money market and Foreign Exchange futures contracts and option contracts use as their scheduled maturity date or termination date. The dates are the third Wednesday of March, June, September and December (i.e., between the 15th and 21st, whichever such day is a Wednesday). These contracts stop trading the Monday preceding the third Wednesday of a March quarterly cycle. see CME Tutorial IMM stands for the International Monetary Market. This choice of date – middle of month and middle of week – minimizes issues with date rolling, as holidays are very unlikely to make the closest business day in another week or other month. The term is also used for the conventional quarterly termination dates of credit default swaps, which fall on 20 March, 20 June, 20 September and 20 December – note that these may fall on a weekend. These are not precisely the IMM dates, but they fall close to them and thus are also referred to as "IMM dates", by abuse of language.
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