2021 WST to SLL Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 WST to SLL Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the WST to SLL exchange rate experienced significant fluctuation. The market reached its absolute peak on December 29, valuing the pair at 4352.7720. Conversely, the yearly low was recorded on January 3, dropping to 3981.0225.
This high-to-low spread represents a total annual volatility of 371.7495 SLL. From a start-to-finish perspective, comparing the January average rate of 4052.6528 to the December average rate of 4328.6911, the exchange rate registered a net change of 6.81% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2021 high of 4352.7720 was up 8.20% compared to the 2020 peak of 4022.9887, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 WST based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
WST 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 4054.4714, compared to 4136.5656 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 82.0942 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was November, with a trading range of 135.6001 SLL (High: 4337.4939 / Low: 4201.8938). On the other end, April was the most stable month, with a tight range of 36.7425 SLL (High: 4039.0203 / Low: 4002.2778).
Growth Streaks & Declines
TrendsBetween August and December, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 4 straight months. Conversely, the sharpest month-over-month decline occurred between June and July, when the average rate fell by 46.7798 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (December 2021: 4328.6911) against the same month in 2020 (average: 3970.9388), the exchange rate shifted by +357.7524 (+9.01%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 4098.4946 | 3981.0225 | 4052.6528 |
| February | 4081.3081 | 4040.5888 | 4063.4086 |
| March | 4078.7325 | 4001.4736 | 4047.0660 |
| April | 4039.0203 | 4002.2778 | 4032.8148 |
| May | 4076.2816 | 4036.0580 | 4060.5245 |
| June | 4099.7395 | 4029.2754 | 4070.3616 |
| July | 4055.6618 | 3997.6857 | 4023.5817 |
| August | 4029.4798 | 3987.9669 | 4002.0994 |
| September | 4108.1417 | 4029.4797 | 4063.7710 |
| October | 4202.8673 | 4102.2423 | 4133.3874 |
| November | 4337.4939 | 4201.8938 | 4267.8627 |
| December | 4352.7720 | 4294.7906 | 4328.6911 |