2021 AUD to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 AUD to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the AUD to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on April 15, valuing the pair at 11334.5689. Conversely, the yearly low was recorded on December 5, dropping to 10157.6694.
This high-to-low spread represents a total annual volatility of 1176.8995 IDR. From a start-to-finish perspective, comparing the January average rate of 10849.4006 to the December average rate of 10247.1841, the exchange rate registered a net change of -5.55% (reflecting a weakening trend).
Looking at year-over-year peak valuations, the 2021 high of 11334.5689 was up 3.59% compared to the 2020 peak of 10941.7057, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 AUD based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
AUD 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 11017.8524, compared to 10480.5354 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 537.3170 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was February, with a trading range of 575.0481 IDR (High: 11228.9458 / Low: 10653.8977). On the other end, December was the most stable month, with a tight range of 188.4258 IDR (High: 10346.0951 / Low: 10157.6694).
Growth Streaks & Declines
TrendsBetween January and April, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 3 straight months. Conversely, the sharpest month-over-month decline occurred between July and August, when the average rate fell by 268.1297 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (April 2021: 11191.2952) against the same month in 2020 (average: 9922.3189), the exchange rate shifted by +1268.9763 (+12.79%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 10979.1065 | 10696.1192 | 10849.4006 |
| February | 11228.9458 | 10653.8977 | 10904.3447 |
| March | 11275.3732 | 10975.5366 | 11089.6417 |
| April | 11334.5689 | 11051.3515 | 11191.2952 |
| May | 11225.6026 | 11010.7903 | 11107.3551 |
| June | 11066.3914 | 10784.1422 | 10965.0768 |
| July | 10926.1120 | 10630.3814 | 10770.1569 |
| August | 10620.0865 | 10269.5712 | 10502.0272 |
| September | 10626.3575 | 10292.5680 | 10438.0019 |
| October | 10695.8659 | 10362.8591 | 10505.8306 |
| November | 10737.7869 | 10201.3772 | 10420.0113 |
| December | 10346.0951 | 10157.6694 | 10247.1841 |