Keltainen Pörssi (Finnish for "the yellow stock market") is Finland's most popular small ads magazine. The magazine was established in 1986 and is part of Sanoma. Ilta-Sanomat Oy is the publisher of the magazine of which the headquarters is in Helsinki.
It is available both as a print edition published twice per week and a free online edition, and consists entirely of small ads by private citizens. These ads are divided into categories for easy browsing. Placing an ad is free of charge, but extra stand-out features and photographs cost money.
Keltainen Pörssi has several supplements, including Autot.
References
Keltainen Pörssi Wikipedia(Text) CC BY-SA