Yes, SPDR S&P 500 Buyback ETF has declared a $0.1790 dividend per share with an ex-date of March 18, 2016. SPDR S&P 500 Buyback ETF's annual dividend per share is for the trailing twelve months.
SPDR S&P 500 Buyback ETF's next dividend of $0.1790 per share has an ex-dividend date of March 18, 2016 and will be paid on an unknown date. To qualify for the dividend, you must buy SPYB shares before the ex-date.