Bullish bets on South Korean won, Taiwanese dollar, and Philippine peso were at their highest since Feb. 9, while long positions on the Singapore dollar and Indonesian rupiah stood at a four month high, the fortnightly survey of 12 respondents showed.

Source: https://business.inquirer.net/434393/investors-bullish-on-most-asian-fx-as-us-interest-rate-bets-shift-poll

Further tightening of policy was widely expected (not unanimously though) and the Singapore dollar had risen going into the decision.

Source: https://www.forexlive.com/news/forexlive-asia-pacific-fx-news-wrap-usd-continued-to-dribble-lower-20230414/