2021 TWD to SLL Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 TWD to SLL Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the TWD to SLL exchange rate experienced significant fluctuation. The market reached its absolute peak on December 29, valuing the pair at 409.7545. Conversely, the yearly low was recorded on March 26, dropping to 357.9681.
This high-to-low spread represents a total annual volatility of 51.7864 SLL. From a start-to-finish perspective, comparing the January average rate of 363.8492 to the December average rate of 405.2787, the exchange rate registered a net change of 11.39% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2021 high of 409.7545 was up 12.45% compared to the 2020 peak of 364.3797, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 TWD based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
TWD 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 365.1396, compared to 381.8566 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 16.7170 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was November, with a trading range of 15.0298 SLL (High: 402.9652 / Low: 387.9354). On the other end, July was the most stable month, with a tight range of 3.0508 SLL (High: 368.0718 / Low: 365.0210).
Growth Streaks & Declines
TrendsBetween July and December, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 5 straight months. Conversely, the sharpest month-over-month decline occurred between June and July, when the average rate fell by 4.0689 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (December 2021: 405.2787) against the same month in 2020 (average: 359.3368), the exchange rate shifted by +45.9419 (+12.79%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 366.7630 | 359.1806 | 363.8492 |
| February | 366.8326 | 363.7788 | 365.4529 |
| March | 367.8720 | 357.9681 | 361.6408 |
| April | 367.4388 | 358.3465 | 361.9324 |
| May | 372.0257 | 365.1632 | 367.2777 |
| June | 374.6419 | 365.7062 | 370.6846 |
| July | 368.0718 | 365.0210 | 366.6157 |
| August | 374.0379 | 365.7475 | 368.6546 |
| September | 380.1158 | 372.6249 | 375.7158 |
| October | 389.1136 | 375.7833 | 380.9900 |
| November | 402.9652 | 387.9354 | 393.8848 |
| December | 409.7545 | 401.1100 | 405.2787 |