According to the calculations by Nielsen Korea, the latest episode of the trending drama aired on January 6 recorded average viewer ratings of 15% and the highest of 17.2%. This is also a 1.8% increase from last week's highest viewer ratings. 

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'Goblin' is now only 1.4% away from catching up to the highest viewer ratings of 'Reply 1988', which recorded the highest viewer ratings of all tvN dramas with 18.6%. With 'Goblin's rapid increase in popularity, it's expected to beat the records set by 'Reply 1988' shortly.