On 2/5/14, Boston Properties, Inc.'s 5.25% Series B Cumulative Redeemable Preferred Stock ( BXP.PRB) will trade ex-dividend, for its quarterly dividend of $0.3281, payable on 2/18/14. As a percentage of BXP.PRB's recent share price of $20.39, this dividend works out to approximately 1.61%, so look for shares of BXP.PRB to trade 1.61% lower — all else being equal — when BXP.PRB shares open for trading on 2/5/14. On an annualized basis, the current yield is approximately 6.43%, which compares to an average yield of 7.61% in the "Real Estate" preferred stock category, according to Preferred Stock Channel.As of last close, BXP.PRB was trading at a 18.32% discount to its liquidation preference amount. The chart below shows the one year performance of BXP.PRB shares, versus BXP: Below is a dividend history chart for BXP.PRB, showing historical dividends prior to the most recent $0.3281 on Boston Properties, Inc.'s 5.25% Series B Cumulative Redeemable Preferred Stock: According to the ETF Finder at ETF Channel, Boston Properties, Inc. ( BXP) makes up 14.60% of the iShares Industrial/Office Real Estate Capped ETF (FNIO) which is trading lower by about 2% on the day Monday. In Monday trading, Boston Properties, Inc.'s 5.25% Series B Cumulative Redeemable Preferred Stock ( BXP.PRB) is currently down about 0.1% on the day, while the common shares ( BXP) are down about 1.4%.