Updated Overnight Interest Calculations for Spot Index Products 

2025-04-03 | Spot Index , Trading Service

To ensure consistency with our liquidity providers, we will be updating the overnight swap calculation method for all spot index products. This will take effect on April 3, 2025, at 00:00 (GMT +3). Here’s what you need to know: 

ProductOld MethodNew Method
AUS200 Spread-Based Calculation Percentage-Based Calculation 
EU50 
FRA40 
GER40 
HK50 
JPN225 
NAS100 
SP500 
UK100 
UK30 

1. Spread-Based Calculation: 

      • Formula: Lot Size × Point Value × Overnight Interest 
      • Purpose: Calculating interest based on trade volume and market position (long/short). 

      2. Percentage-Based Calculation: 

        • Formula: (Position Notional Value × Long or Short Overnight Interest × Days) / 360 
        • Purpose: Provides a more precise interest calculation, considering the cost per position and dividing annually over 360 days. 

        If you have any questions or require further support, please reach out to our dedicated Support Team. We are here to assist you at every step. 


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        You are strongly advised to fully understand the nature and inherent risks of trading with the respective financial instrument before you begin to trade or engage in any transactions with us. When you engage in transactions with us, you acknowledge that you are aware of and accept these risks. You should conduct your own research and consult with an independent qualified financial advisor or  professional before making any financial, trading or investment decisions.    

        Disclaimer  
        The information contained in this blog is for general informational purposes only and should not be considered as financial, investment, legal, tax or any other form of professional advice, recommendation, an offer, or an invitation to buy or sell any financial instruments. The content herein, including but not limited to data, analyses and market commentary, is presented based on internal records and/or publicly available information and may be subject to change or revision at any time without notice and does not consider any specific recipient’s investment objectives or financial situation. Past performance is not an indicator of future performance and D Prime and its affiliates give no assurance that any views, projections or forecasts will materialize. D Prime and its affiliated entities make no representations or warranties about the accuracy or completeness of this information and disclaim any and all liability for any direct, indirect, incidental, consequential, or other losses or damages arising out of or in connection with the use of or reliance on any information contained in this blog. You should conduct your own research and consult with an independent qualified financial advisor or  professional before making any financial, trading or investment decisions.    

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