The color(s) black, orange, red, yellow, green, and blue is/are claimed as a feature of the mark.
OTC
The mark consists of A stylized oval shape with a orange, red, yellow, green, and blue rainbow hued colors which ends in an arrowhead. The numbers 360 in black and letters OTC in orange are in the center of the oval. There is a shadow outline around the oval, numbers and letters.