via press note:
Last night's midseason finale of ARROW hit a series high in M18-34 (1.6/6), ranking #1 in the hour. ARROW delivered The CW's best M18-34 rating for any show in more than three years (Smallville on 10/29/10). It's the network's best performance in M18-34 in the Wednesday 8-9 pm time period in more than five years (10/29/08).
ARROW also matched its second highest rating ever in A18-34 (1.1/4), and tied its second best number of the season in A18-49 (1.1/3). ARROW was up 10% from last year's midseason finale in both A18-34 and A18-49, and was virtually on par with last week's rating in both demos.
ARROW also tied both Fox and ABC at 8pm in A18-34.