A spread between pre-DESTR and Tom/Next has been determined by DFBF in concert with Danmarks Nationalbank and is calculated at 0,190% (19,0 basis points). The calculation period was 19 March 2021 – 21 March 2022. From 1 April 2022 the TomNext methodology will change to DESTR+19 bp.
The spread is based on a methodology recommended by the Working Group on Short Term Reference Rate.
https://www.nationalbanken.dk/en/marketinfo/transaction-based%20_reference_rate/Pages/default.aspx