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Data

SETTLEMENT_STYLE Changes for Eurex and Borsa Istanbul

To ensure data consistency, we are removing the values “Cash” and “Physical” from the SETTLEMENT_STYLE field in the Instrument Profile Format (IPF).  Technical details The SETTLEMENT_STYLE field typically contains settlement price determination styles such as Open and Close (see our Knowledge Base). Previously, for futures and options on Eurex and Borsa Istanbul, the SETTLEMENT_STYLE field … More

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Fundamentals

Update on ‘Types’ Parameter in dxFeed Fundamentals API

We are writing to inform you of an upcoming update to the dxFeed Fundamentals API that will affect your API requests. Effective April 20, 2024, the ‘types’ parameter will be required for all requests directed to composite controllers within the dxFeed Fundamentals API.

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Data

OPOL Changes for Cboe Digital assets

Following the acquisition of ErisX by Cboe and its subsequent rebranding as Cboe Digital, we are initiating improvements to our data feed.

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Fundamentals

dxFeed Fundamentals API update

dxFeed is planning to deprecate the ‘all’ method for all Fundamentals API endpoints on March 1st, 2024.

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Market data API

dxFeed GraalVM-based APIs for .NET, Swift, and C++ Beta Version Release

We are excited to announce a significant milestone in our technology offerings. Stable beta versions of our GraalVM-based APIs for .NET, Swift, and C++ is already released. This new suite of APIs marks a leap forward in our commitment to delivering cutting-edge solutions for our clients.  Technical details For current dxFeed API users If you … More

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dxPrice

Theta Adjustment on the Day of Expiration

To: dxPrice subscribers We continue to improve Theta calculation for expiring options. We will now use the extrinsic value of an option as an approximation for Theta on the day of expiration, which proves to be more accurate. Technical details Calculating Theta accurately is almost impossible on the day of expiration when using the Black-Scholes … More

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dxPrice

Update to the Dividend Yield and the Interest Rate Publication Format

To: dxPrice subscribers We are pleased to announce an update to the dividend yield and the interest rate publication format. To improve readability, we will now publish annualized continuously compounded rates instead of simple rates. Technical details Currently, dxPrice calculates and publishes simple dividend return and simple risk-free interest return. The calculations are performed for … More