Home TSP TSP Rates of Return December 2018 TSP TSP Rates of Return December 2018 January 5, 2019 1707 0 Share on Facebook Tweet on Twitter December 2018 was another dismal month for the Thrift Savings Plan, with losses across the board except for the F and G Funds. RELATED ARTICLESMORE FROM AUTHOR TSP TSP Rates of Return September 2019 TSP New TSP Options Available September 15th, 2019 TSP TSP Rates of Return March 2019