US dollar index speculators increased net long position, according to the latest Commitment of Traders (COT) data released by the Commodity Futures Trading Commission (CFTC). The non-commercial futures contracts of US dollar index futures, traded by large speculators and hedge funds, totaled a net long position of 1402 contracts in the data reported through June 10, 2025, showing an increase of 785 net long contracts compared to the previous week.