Partial Start-of-Day Positions Upload

The purpose of this test is to verify the client system can submit a properly named and properly formatted Partial Start of Day Positions file. Validations will check that the file name is the proper structure and that each of the required headers and columns are set properly (including case sensitivity).

  1. Select a Identifier from the drop-down and select ASSIGN if not already assigned.

  1. From the Test Suite tab, select the linked test: Start of Day Positions Partial File Upload Validation.

Note:If a test is not proceeding to the next step, clicking the Refresh button () below the test steps may resolve the issue.

Start of Day Positions Partial File Upload Validation appears if the response to the second interview question (Will you be supporting Partial Position Files) is Yes.

  • To Upload and Validate CME Direct Start of Day Positions:
  1. Open the CSV file in MS Excel, then format cells:
  2. Right-click the BusDate cell(s) > Select Format Cells > Select Category: Date: *MM/DD/YYYY.

The BusDate field must include leading zeros, as applicable.

Example: January 1, 2025 will appear as 01/01/2025.

  1. Right-click remaining cell(s) > Select Format Cells > Select Category: Text.
  2. Select OK.

  1. Enter remaining position data in the file.

#

Column Name

Description

Required

Allowable Values

1

BusDate

- Current Business Date

- The BusDate field must include leading zeros, as applicable.

- Example: January 1, 2025 will appear as 01/01/2025

Y

MM/DD/YYYY

2

CMF

Clearing member firm ID

Y

0_9; A_Z

3

CustAcct

 

Account to which the position applies (clearing account identifier)

Y

0_9; A_Z

4

Exch

Product exchange code

Y

CME, CBT, NYMEX, COMEX, DME etc

5

ProdCode

CME Group product code

Y

Valid CME alphanumeric clearing product code (e.g. CL, LO)

6

ProdType

Product Type

Y

FUT, OOF, OOC

7

Term

Term Code

Y

Valid term code - format: YYYYMM, YYYYMMDD

Examples: 202505 or 20250505 (May 2025 or May 5, 2025)

8

PutCall

Put / Call Indicator (required for option products)

N

P, C

9

Strike

Strike price: decimal format (required for option products)

N

Decimal Price This should use the same strike price convention as the ClearPort API. This is not necessarily the display convention used in either CMED or cmegroup.com.

Example: Corn options with a strike of 500 cents is entered as "5" (dollars).

10

NetPosition

Net position

Can be positive (long position) or negative (short position)

Y

Current Net long for this account / product. The position should be given in terms of cleared contracts, not the CME Globex quantity. Thus for flow products like Henry Hub LD Financial Futures (NN), where the contract is defined in terms of quantity per day, the position is the value after multiplying the Globex fill quantity by the number of days in the month (i.e. the ContractMultiplier from the SecurityDefinition).
  1. Save the file in the following format:
  • CMED.Positions.NNN.Partial.YYYYMMDD.##.csv

Example: CMED.Positions.123.Partial.01022025.1.csv

  1. Upload (Choose File > Browse) the partial start of day positions file with today's date.

AutoCert+ validates the following:

  • File Name: The following file name details are verified:
  • Start of File begins with "CMED.Positions"

The file name may contain NR but it is not required

  • Firm: Next three positions are the alphanumeric firm identifier
  • The next characters are "Partial"
  • File Contents

If applicable, on-screen error messages will indicate information that must be updated.

Example error message:
BusDate,CMF,CustAcct,Exch,ProdCode,ProdType,Term,PutCall,Strike,LineNo,Status,Message
05/23/2025,123,ACC123,NYMEX,CL,FUT,202105,,,8,WARN,Account ACC123 could not befound
05/23/2025,123,ACC123,NYMEX,LO,OOF,202105,,4950,15,ERROR,PutCall is required forOption product