PUBM vs MYD Comparison

PubMatic Inc is a supply-side platform provider in the digital advertising technology market. These platforms help publishers, which supply digital ad inventory, manage their inventory, selling a high percentage of their inventory (increase the ad fill rate) and maximizing revenue per ad sold (optimize yield). The company generates revenue mainly by taking a piece of the ad sales that it enables. Buyers on the platform include intermediary buyers, such as demand-side platforms, or advertisers and ad agencies directly. Geographically, the company generates the majority of its revenue from the United States, followed by EMEA and APAC.

Blackrock Muniyield Fund Inc is a non-diversified, closed-end management investment company. Its investment objective is to provide shareholders with as high a level of current income exempt from U.S. federal income taxes. The fund invests a majority of its assets in municipal bonds exempt from U.S. federal income taxes (except that the interest may be subject to the U.S. federal alternative minimum tax). These bonds are predominantly long-term (with a maturity of more than ten years at the time of investment), and rated as investment grade, or deemed to be of comparable quality by the investment adviser at the time of investment. The fund can also invest directly in such securities or synthetically through the use of derivatives.