2018 ARS to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2018.
2018 ARS to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2018
During 2018, the ARS to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on January 2, valuing the pair at 735.5744. Conversely, the yearly low was recorded on September 30, dropping to 349.3588.
This high-to-low spread represents a total annual volatility of 386.2155 IDR. From a start-to-finish perspective, comparing the January average rate of 706.0111 to the December average rate of 384.0728, the exchange rate registered a net change of -45.60% (reflecting a weakening trend).
Looking at year-over-year peak valuations, the 2018 high of 735.5744 was down 16.30% compared to the 2017 peak of 878.8343, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 ARS based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2018.
ARS 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 646.2040, compared to 428.8041 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 217.3998 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2018 was August, with a trading range of 153.7767 IDR (High: 525.2480 / Low: 371.4713). On the other end, March was the most stable month, with a tight range of 8.7141 IDR (High: 683.9420 / Low: 675.2279).
Growth Streaks & Declines
TrendsNo sustained consecutive month-over-month growth streak of 2+ months occurred in 2018. Conversely, the sharpest month-over-month decline occurred between August and September, when the average rate fell by 109.2163 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (January 2018: 706.0111) against the same month in 2017 (average: 841.3437), the exchange rate shifted by -135.3326 (-16.09%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 735.5744 | 680.2558 | 706.0111 |
| February | 693.3164 | 676.0237 | 684.9975 |
| March | 683.9420 | 675.2279 | 680.6929 |
| April | 686.7237 | 674.0947 | 681.8657 |
| May | 672.3348 | 557.2705 | 597.7240 |
| June | 556.7670 | 492.0554 | 525.9327 |
| July | 524.5278 | 490.8562 | 517.0453 |
| August | 525.2480 | 371.4713 | 483.2114 |
| September | 390.2073 | 349.3588 | 373.9952 |
| October | 424.7862 | 369.4242 | 410.5299 |
| November | 424.1592 | 370.6555 | 403.9703 |
| December | 390.8438 | 377.7653 | 384.0728 |