Shiffrin finished with a 97-point lead over Slovakia's Petra Vlhova, who was second on the day while Holdener had to settle for third place.
Victory meant Shiffrin, who sealed the Super-G World Cup title for the season on Thursday, is closing in on the women's record of 82 World Cup race wins set by compatriot Lindsey Vonn, who retired this season at the age of 34.
She also leads the giant slalom standings and could win that crystal globe on Sunday, which would make her the first skier -- male or female -- to win the World Cup in overall, slalom, giant slalom and super-G in the same season.
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(Reporting by Shrivathsa Sridhar in Bengaluru; Editing by Christian Radnedge)
