Office Properties Income Trust Common Shares of Beneficial Interest. Replay the stock market charts of OPI day by day, back to 2003. Open long and short positions without spending any money. OPI is a REIT focused on owning, operating and leasing properties primarily leased to single tenants and those with high credit quality characteristics such as government entities. OPI is managed by the operating subsidiary of The RMR Group Inc. (Nasdaq: RMR), an alternative asset management company that is headquartered in Newton, Massachusetts.
