I often see a discussion about backtesting a different strategy by using various funds. I don't believe the TSP is utilized, however, the funds that correspond are used which allows a user to still reasonably access their quality over time.
Enjoy!
https://www.portfoliovisualizer.com/backtest-portfolio
Best,
Me
Fund Prices2024-05-13
| Fund | Price | Day | YTD |
| G | $18.25 | 0.04% | 1.58% |
| F | $18.88 | 0.11% | -1.77% |
| C | $81.80 | -0.02% | 10.00% |
| S | $80.29 | 0.05% | 4.15% |
| I | $42.83 | 0.10% | 6.58% |
| L2065 | $16.32 | 0.03% | 7.94% |
| L2060 | $16.32 | 0.03% | 7.95% |
| L2055 | $16.32 | 0.03% | 7.95% |
| L2050 | $32.63 | 0.04% | 6.60% |
| L2045 | $14.87 | 0.04% | 6.27% |
| L2040 | $54.26 | 0.04% | 5.98% |
| L2035 | $14.32 | 0.04% | 5.62% |
| L2030 | $47.62 | 0.04% | 5.28% |
| L2025 | $13.17 | 0.04% | 3.59% |
| Linc | $25.67 | 0.04% | 3.05% |