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Yield Curve
[This yield curve provides the interest rates used to calculate index arbitrage program trading values.]
Updated: Thursday, Dec-19-2024
10:35pm ET

Yield Curve Used to Calculate Index Arbitrage Program Trading Values

 
Notes:
The yield curve is constructed daily as piecewise linear segments.
Individual segments are constructed as zero coupon yields from current quotations for deposit rates and Eurodollar futures. The segments are consecutively linked mathematically, according to conventional yield curve construction techniques.
Quotations for deposit rates and Eurodollar futures are used to construct the yield curve because they are actively traded and, therefore, have good price (and yield) discovery.
The interest rate for a given index future is determined by selecting the yield that corresponds to its settlement (expiration) date on the yield curve. Internally, this is accomplished by interpolation, using the two yields at the nodes of the relevant line segment; viz., the line segment defined by the date coordinates that surround the futures' expiration date.
The interest rates in the following tables are rounded to six decimal places; internal precision is maintained to at least twelve decimal places.


Yield Curve Data Used to Construct the Above Graph
Yield Curve Origin Date is 12-20-2024
Date Number
of Days
from Origin
Interest Rate
(%)
12-20-20240.000000 
12-21-20244.752806 
01-20-202531 6.020380 
06-18-2025180 6.342270 
09-17-2025271 5.641634 


 
Table of the active index futures and the interest rates
(derived from the above yield curve)
that are used to calculate their index arbitrage program trading values.
 Index Futures Index Futures
Expiration Date
Number
of Days
from Origin
Interest Rate
(%)
S&P 500      
  MAR 2025 03-21-2025   91   6.150000  
  JUN 2025 06-20-2025   182   6.326871  
Nasdaq 100      
  MAR 2025 03-21-2025   91   6.150000  
  JUN 2025 06-20-2025   182   6.326871  
Dow Jones      
  MAR 2025 03-21-2025   91   6.150000  
  JUN 2025 06-20-2025   182   6.326871  


 

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