President Joe Biden's midday announcement that a bipartisan group of Senators had reached a deal to pass an infrastructure bill had little effect on the bond market.
Brazil's real erased early losses to trade up 0.2%, as central bank minutes showed a 100 basis point hike could be coming at the next meeting to keep inflation in check.
Copper struggled to hold gains, weighing on top producer Chile's peso, while Mexico's peso looked to give back Monday's strong gains, down 0.4%.
The yield curve spread between five-year notes and 30-year bonds hit 110.62 basis points, its lowest level since August 2020, before ticking back to 117.90.
Taiwan stocks closed 1.5% lower to mark their worst session in over one month, as daily COVID-19 infections falling below 100 failed to cheer investors.
But they also noted they do not expect a sustained dollar either, noting that other central banks will need to consider policy normalisation as their economies recover from depressed levels.