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Rupiah Becomes Asia's Weakest Currency (January 21, 2026)

Erlina Fury Santika 22/01/2026 20:10 WIB

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According to Asia Bonds Online, the rupiah will be the weakest Asian currency as of January 21, 2026.

Depreciation of Asian Regional Currencies Against the US Dollar (January 2 - January 22, 2026)

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Rupiah Becomes Asia's Weakest Currency (January 21, 2026)

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Depreciation of Asian Regional Currencies Against the US Dollar (January 2 - January 22, 2026)

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Data collected by Asian Bonds Online from the Asian Development Bank (ADB) shows that the rupiah is the Asian currency that has fallen the most against the US dollar.

As of the close of trading on Wednesday (January 21, 2026), Asian Bonds Online recorded that the rupiah had weakened by 1.51% year-to-date (ytd).

This percentage increased from the 1.21% depreciation recorded at the close of trading on Monday (January 19, 2026).

Asian Bonds Online also reported that the rupiah closed at Rp16,935 per US dollar last Wednesday.

The next weakest currency was the South Korean won, which fell by 1.45% (ytd). Following that was the Japanese yen, which weakened by 1% (ytd).

Out of the 14 currencies tracked, 6 currencies weakened, while 8 currencies strengthened.

Below is a list of currencies that depreciated against the US dollar as of January 21, 2026:

Indonesian Rupiah (IDR): -1.51% (ytd)
Korean Won (KRW): -1.45% (ytd)
Japanese Yen (JPY): -1% (ytd)
Philippine Peso (PHP): -0.55% (ytd)
Cambodian Riel (KHR): -0.38% (ytd)
Hong Kong Dollar (HKD): -0.18% (ytd).

Asian Bonds Online also noted the currencies that appreciated the most, including the Thai baht (1.31%), Chinese yuan (0.35%), and Malaysian ringgit (0.3%).

Editor : Erlina Fury Santika

"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."