Guaranteed Stock - Guaranteed Stock is common stock certificate or preferred stock certificate with dividends guaranteed by the insurer of record. The common stock certificates or preferred stock certificates guarantee gives the stock certificates a much higher value. The value translates into a higher yield and dividend payment. The value in the stock certificates is higher than previously expected. Other stockbrokers and stock investors are attracted to buy at higher yield. Investment is timely and good. Preferred stock certificates issued by one company and guaranteed dividends by another company or corporation. Stock certificate issues guaranteed, as bonds are most popular among the railroads.