Dollar index steadied just above 98 as markets weighed Middle East war risks and Fed rate‑hike uncertainty.
Japanese yen strengthened 0.5% after reported Tokyo intervention, breaking the 160‑yen level that had previously pressured the currency.
Australian dollar hovered near four‑year highs ahead of the Reserve Bank of Australia's expected 25‑basis‑point rate hike on Tuesday.
Major Asian currencies were largely flat, with the won down 0.2%, Singapore dollar down 0.1%, rupee steady below 94 per USD.