The US dollar index closed essentially flat on the 24th, at 97.941.
TL;DR
The US dollar index remained nearly unchanged at 97.941 on December 24th, with mixed movements against major currencies including the euro, pound, yen, Swiss franc, Canadian dollar, and Swedish krona.
According to ChainCatcher, citing Jinshi, the US dollar index, which measures the dollar against six major currencies, closed essentially flat on December 24th at 97.941. One euro traded for 1.1775 US dollars, down from 1.179 US dollars the previous trading day; one British pound traded for 1.3496 US dollars, down from 1.3497 US dollars the previous trading day; one US dollar traded for 156.02 Japanese yen, down from 156.2 Japanese yen the previous trading day; one US dollar traded for 0.7886 Swiss francs, up from 0.7877 Swiss francs the previous trading day; one US dollar traded for 1.3676 Canadian dollars, down from 1.3694 Canadian dollars the previous trading day; and one US dollar traded for 9.1713 Swedish krona, up from 9.1684 Swedish krona the previous trading day.