2021 SAR to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 SAR to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the SAR to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on April 12, valuing the pair at 3899.2952. Conversely, the yearly low was recorded on January 6, dropping to 3691.8681.
This high-to-low spread represents a total annual volatility of 207.4272 IDR. From a start-to-finish perspective, comparing the January average rate of 3748.2217 to the December average rate of 3817.0351, the exchange rate registered a net change of 1.84% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2021 high of 3899.2952 was down 13.75% compared to the 2020 peak of 4520.8053, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 SAR based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
SAR to IDR 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 3809.3786, compared to 3819.1123 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 9.7337 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was February, with a trading range of 112.6162 IDR (High: 3822.2560 / Low: 3709.6398). On the other end, September was the most stable month, with a tight range of 35.9158 IDR (High: 3822.7477 / Low: 3786.8318).
Growth Streaks & Declines
TrendsBetween February and April, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 2 straight months. Conversely, the sharpest month-over-month decline occurred between April and May, when the average rate fell by 60.1706 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (April 2021: 3877.0572) against the same month in 2020 (average: 4189.7458), the exchange rate shifted by -312.6886 (-7.46%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 3789.2227 | 3691.8681 | 3748.2217 |
| February | 3822.2560 | 3709.6398 | 3747.6977 |
| March | 3883.9409 | 3799.2762 | 3837.3830 |
| April | 3899.2952 | 3850.8517 | 3877.0572 |
| May | 3861.9517 | 3768.0222 | 3816.8866 |
| June | 3884.8105 | 3783.4883 | 3829.0255 |
| July | 3895.8979 | 3848.6741 | 3866.9925 |
| August | 3865.3243 | 3799.7288 | 3835.7809 |
| September | 3822.7477 | 3786.8318 | 3802.0927 |
| October | 3814.6451 | 3747.7438 | 3783.9756 |
| November | 3842.9137 | 3781.4783 | 3808.7972 |
| December | 3872.2019 | 3773.2626 | 3817.0351 |