October raw sugar SBc1 rose 0.26 cents, or 1.1%, to 23.71 cents a pound, according to the Nasdaq.
Dealers said the market had recovered much of the previous session's losses, fueled by speculation of a likely global deficit in the upcoming 2023/24 season.
Some sugar market analysts are expecting a second consecutive global deficit next season as they bet Brazil's near-record production will not be enough to make up for falling production elsewhere.
Broker HedgePoint Global Markets raised its valuation of Brazilian sugar to a record high on Wednesday.
October white sugar LSUC1 rose $7.60, or 1.1%, to $687.10 per ton