2025 THB to SLL Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2025.
2025 THB to SLL Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2025
During 2025, the THB to SLL exchange rate experienced significant fluctuation. The market reached its absolute peak on December 25, valuing the pair at 675.3462. Conversely, the yearly low was recorded on April 8, dropping to 601.0175.
This high-to-low spread represents a total annual volatility of 74.3287 SLL. From a start-to-finish perspective, comparing the January average rate of 612.1169 to the December average rate of 665.1157, the exchange rate registered a net change of 8.66% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2025 high of 675.3462 was up 4.20% compared to the 2024 peak of 648.0960, indicating shifts in long-term support levels.
Comparing the value generated converting 250,000 THB based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2025.
THB to SLL Seasonal Trends & Volatility Analysis
A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.
Seasonal Halves (H1 vs H2)
SeasonalThe average exchange rate in the first half of the year (H1: Jan–Jun) was 625.8672, compared to 651.2612 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 25.3940 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2025 was April, with a trading range of 33.2687 SLL (High: 634.2861 / Low: 601.0175). On the other end, August was the most stable month, with a tight range of 8.6319 SLL (High: 650.6864 / Low: 642.0545).
Growth Streaks & Declines
TrendsBetween March and September, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 6 straight months. Conversely, the sharpest month-over-month decline occurred between September and October, when the average rate fell by 11.4572 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (December 2025: 665.1157) against the same month in 2024 (average: 613.9776), the exchange rate shifted by +51.1381 (+8.33%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 624.8202 | 603.7071 | 612.1169 |
| February | 625.2180 | 612.4685 | 620.7205 |
| March | 625.7735 | 612.4685 | 620.6325 |
| April | 634.2861 | 601.0175 | 621.9419 |
| May | 645.4621 | 625.0224 | 636.3100 |
| June | 648.6884 | 638.9244 | 643.4813 |
| July | 652.2395 | 640.2901 | 646.5560 |
| August | 650.6864 | 642.0545 | 647.6207 |
| September | 663.7759 | 646.0105 | 655.5955 |
| October | 650.7108 | 638.1467 | 644.1382 |
| November | 655.9846 | 643.8287 | 648.5408 |
| December | 675.3462 | 654.2517 | 665.1157 |