At the opening bell, the main TAIEX index was up 1.07 points at 7,086.10, versus a 0.11 percent loss in the prior session.

Taishin climbed 0.48 percent, while Cathay slipped 0.15 percent. Banking shares dipped 0.42 percent.

The Taiwan dollar weakened slightly to trade at T$30.319.

Foreign investors were net buyers on Tuesday, bringing their total buying to T$26.9 billion this month.