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Type "91" record - First Physical record - Expanded Format

LengthFromToDatatypeFormatDescription and Comments
212ANX(2)Record ID - "91"
335ANX(3)Exchange Acronym
267--Filler
10817ANX(10)Target Commodity (Product) Code
61823N9(6)Target Contract Month as CCYYMM
32426--Filler
32729ANX(3)Issuing Country Code
23031--Filler
153246ANX(15)CUSIP or ISIN or other primary instrument ID
34749ANX(3)Currency of Denomination - ISO code
15050ANXCurrency of Denomination - 1-byte code
85158N9(8)Maturity Date as CCYYMMDD
55963N9(2)V9(3)Coupon Rate (in percent)
96472N9(2)V9(7)Physical Conversion Factor
6073132--Filler

Type "92" record - Second Physical record - Expanded Format

LengthFromToDatatypeFormatDescription and Comments
212ANX(2)Record ID - "92"
335ANX(3)Exchange Acronym
267--Filler
10817ANX(10)Target Commodity (Product) Code
61823N9(6)Target Contract Month as CCYYMM
32426--Filler
32729ANX(3)Issuing Country Code
23031--Filler
153246ANX(15)CUSIP or ISIN or other primary instrument ID
504796ANX(50)Instrument Description
1097106N9(4)V9(6)Long-Bond-Equivalence Factor
26107132--Filler

Notes:

 

  1. The type 9 records are for physical securities, such as U.S. Treasury bonds, bills and notes, which are margined in SPAN on an equivalent basis -- in other words, by transforming positions in those securities into an equivalent futures positions.  Each such physical debt security may give rise to equivalent positions in any number of specific futures contracts.

  2. The type "91" records specify, for a given debt security, a particular futures contract in which an equivalent position is created, and the conversion factor to use in creating that equivalent position.  For each debt security, there may be any number of "91" records, each specifying a paticular futures contract in which an equivalent position is created. 

  3. The physical conversion factor is provided as the value per $1,000 in par value.

  4. The type "92" records provide a 50-byte instrument description field.   They also repeat the equivalent-contract product and contract month code fields.   These fields may be left blank or ignored, and it is not necessary to have a "92" record for each "91" record.  In other words, one or more "92" records may be provided for each debt security.

  5. The Long-Bond-Equivalence Factor is an optional value which specifies the relative riskiness of this particular security compared to the so-called "long bond."  LBE factors are divisors:  to calculate the long-bond-equivalent position in a particular security, divide the par value by the LBE factor.
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