Aktifnya investor asing membeli instrumen Bank Indonesia BI seperti surat utang negara SUN maupun Sertifikat Bank Indonesia SBI memicu rupiah bergerak naik meski kenaikannya tidak besar.
Foreign investors' activity in purchasing Bank Indonesia central bank/BI instruments such as state debentures SUN and short-term promissory notes SBI had caused the rupiah to appreciate although the rise was modest, he said.