2021 DZD to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 DZD to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the DZD to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on April 13, valuing the pair at 110.5629. Conversely, the yearly low was recorded on December 23, dropping to 101.9692.
This high-to-low spread represents a total annual volatility of 8.5937 IDR. From a start-to-finish perspective, comparing the January average rate of 106.0289 to the December average rate of 103.0483, the exchange rate registered a net change of -2.81% (reflecting a weakening trend).
Looking at year-over-year peak valuations, the 2021 high of 110.5629 was down 19.69% compared to the 2020 peak of 137.6628, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 DZD based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
DZD 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 107.3008, compared to 104.7175 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 2.5832 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was February, with a trading range of 3.1546 IDR (High: 107.8128 / Low: 104.6582). On the other end, July was the most stable month, with a tight range of 1.5248 IDR (High: 108.7316 / Low: 107.2068).
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 2.1117 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (April 2021: 109.4912) against the same month in 2020 (average: 123.7394), the exchange rate shifted by -14.2483 (-11.51%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 107.6221 | 104.7246 | 106.0289 |
| February | 107.8128 | 104.6582 | 105.7274 |
| March | 108.8783 | 106.9357 | 107.8897 |
| April | 110.5629 | 108.2874 | 109.4912 |
| May | 108.3596 | 105.9266 | 107.3794 |
| June | 108.6221 | 105.8332 | 107.2880 |
| July | 108.7316 | 107.2068 | 107.7544 |
| August | 107.3523 | 105.1261 | 106.3573 |
| September | 105.8369 | 103.9253 | 104.6228 |
| October | 104.2431 | 102.2851 | 103.3755 |
| November | 104.6182 | 102.3491 | 103.1469 |
| December | 104.6278 | 101.9692 | 103.0483 |