CME STP FIX - Quantity Calculations

CME STP FIX calculates Quantity using variables specific to the given product (for example, MMBTu for Natural Gas) and sends this value in trade reporting messages. The table below shows quantity calculation examples for STP supported product types.

Product	Instrument	Quantity Entered in CME ClearPort	10038-LegTradingQuanity in STP	Original Unit of Measure selected in ClearPort	1001-LegTimeUnit in STP	10045-LegContractMultiplier	610-LegMaturityMonthYear	Days Billable in Month	687-LegQty or 32-LastQty (Contracts per Leg or Outright)

Product	Instrument	Quantity Entered in CME ClearPort	10038-LegTradingQuanity in STP	Original Unit of Measure selected in ClearPort	1001-LegTimeUnit in STP	10045-LegContractMultiplier	610-LegMaturityMonthYear	Days Billable in Month	687-LegQty or 32-LastQty (Contracts per Leg or Outright)
Natural Gas	NN	65,000	65,000	MMBtu/calendar day	D	2500	September	30	LegQty = ( 10038-LegTradingQuantity/10045-LegContractMultiplier)Number of Days in Month 780 = (65,000/2,500)30
Natural Gas	NN	65,000	65,000	MMBtu/month	Mo	2500	October	31	LegQty = (10038-LegTradingQuantity/10045-LegContractMultiplier) 26 = 65,000/2500
Power	KA	125	125			400	December	22 See: NERC (North American Electric Reliability Corporation) Holiday Schedule	Total MwH for Month= 10038-LegTradingQuantityHours per DayNumber of Billable Days in Month 44,000 = 1251622 LegQty = Total MwH for Month/ 10045-LegCobtractMultiplier 110 = 44,000/400
Crude Oil	AO (WTI Average Price Option Combo)	1,000	1,000,000	Contracts/Month	Mo	1,000	September		1,000
Crude Oil	AO (WTI Average Price Option Combo)	31,000	31,000	Barrels/Month	Mo	1,000	October		LegQty = Total Barrels for Month/10045-LegCobtractMultiplier 31 = 31,000/1,000
Crude Oil	AO (WTI Average Price Option Combo)	1,000	1,000	Barrels/calendar day	D	1,000	December	31	Total Barrels for Month=10038-LegTradingQuantity * Number of Days in Month LegQty = Total Barrels for Month 10045-LegCobtractMultiplier 31=31,000/1,000
Grains	BSW	5,440	N/A	Metric tons/ Month	N/A	136	December		LegQty = Total Tons for Month/ 10045-LegCobtractMultiplier 40 =5,440/136
Grains	BSW	5,440	N/A	Contracts/ Month	N/A	136	December		5,440
Financial Interest Rates	ED SR3	4,000	N/A	Contracts/ Month	N/A	2,500	September		4,000
Financial	ED SR3	50,000,000,000	N/A	USD/Month	N/A	2500	September		LegQty = Total USD for Month/ Notional 50,000 = 50,000,000,000/ 1,000,000 Per Contract Specs, Notional value is 1,000,000 See also: Three-Month SOFR Futures - Contract Specs