what are yellow sheets 
yellow sheets are bulletins for bond traders which contain information for corporate bonds listed on the over the counter otc market the sheets contain data on each bond s yield volume high low closing and bid ask spread yellow sheets are published by the otc markets group formerly called the national quotation bureau nqb the company also publishes pink sheets with the equivalent data on stocks that trade over the counter both bulletins have been distributed electronically in real time since 1999 understanding yellow sheetsyellow sheets provide information about bonds issued by companies that are not listed on a national exchange these non listed companies may be small and little known or still in the process of establishing a business many could not meet the requirements for listing on the public exchanges the otc market is a decentralized system for trading securities dealers on the otc market do not do business from a single physical location or a centralized market the yellow sheets provide contact information for the brokerages that make a market for these bonds yellow sheet bonds are traded by this network of market makers through a closed network that can be accessed in hard copy or online by subscribers if a subscriber wants to purchase a particular bond they may use the contact information in the yellow sheets to contact the appropriate brokerage yellow sheet bondsbonds listed in the yellow sheets are generally considered to be riskier than other fixed income securities the companies issuing these bonds are not listed on any public u s stock exchange and therefore are not subject to the stringent government regulation and publication requirements of listed public companies some well established foreign companies list in the u s through the over the counter markets often as american depositary receipts adrs the bid ask spread is understandably wider for bonds listed on yellow sheets to compensate investors for the risks involved in these entities the main risk is that the company will fail and default on the bonds there also is added liquidity risk there may be little or no market for the bond if the investor wishes to sell it yellow sheets and the otc markets groupthe national quotation bureau nqb was established in 1913 to provide investors with information regarding otc stocks and bonds in its early years the nqb published information on paper of different colors and the bulletins soon carried the same name as the paper color stock quotes appeared on the pink sheets and bond quotes were published on the yellow sheets in 1963 the nqb was sold to commerce clearing house in 1999 the nqb transitioned from printing its famous paper bulletins to operating as a primarily electronic operation the nqb has since changed its name to otc markets group 