Jan 19 (Reuters) - CME Group Inc:

* CME RAISES SOYBEAN FUTURES (S) MAINTENANCE MARGINS BY 7.3% TO $2,950 PER CONTRACT FROM $2,750 FOR MARCH 2021

* SAYS INITIAL MARGIN RATES ARE 110% OF THESE LEVELS

* SAYS RATES WILL BE EFFECTIVE AFTER THE CLOSE OF BUSINESS ON JAN. 20, 2021 (Reporting by Brijesh Patel in Bengaluru)