Based on charts and analysis, I'm seeing this declining until about June/July 2019, stabilizing from 2019 to 2020 then coming out positive in 2020 to the start of the year, as long as markets cooperate.
Enjoy your Divident Yields if you are holding!
Current market for SHO (12/20/2018): VOL: 4.032M ; AVG VOL: 2.535M ; SHARES: 228.24M ; DIV YIELD: 15.56196%
SHO