2018 CDF to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2018.
2018 CDF to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2018
During 2018, the CDF to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on October 24, valuing the pair at 9.4630. Conversely, the yearly low was recorded on January 23, dropping to 8.2889.
This high-to-low spread represents a total annual volatility of 1.1742 IDR. From a start-to-finish perspective, comparing the January average rate of 8.3759 to the December average rate of 8.9306, the exchange rate registered a net change of 6.62% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2018 high of 9.4630 was down 18.70% compared to the 2017 peak of 11.6397, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 CDF based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2018.
CDF 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 8.5364, compared to 8.9554 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 0.4189 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2018 was October, with a trading range of 0.5367 IDR (High: 9.4630 / Low: 8.9264). On the other end, April was the most stable month, with a tight range of 0.0814 IDR (High: 8.5946 / Low: 8.5132).
Growth Streaks & Declines
TrendsBetween January and May, 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 October and November, when the average rate fell by 0.2914 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (October 2018: 9.3298) against the same month in 2017 (average: 8.6245), the exchange rate shifted by +0.7054 (+8.18%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 8.6785 | 8.2889 | 8.3759 |
| February | 8.5192 | 8.3358 | 8.4327 |
| March | 8.5733 | 8.4530 | 8.5093 |
| April | 8.5946 | 8.5132 | 8.5472 |
| May | 8.7785 | 8.6148 | 8.6930 |
| June | 8.8097 | 8.5785 | 8.6605 |
| July | 9.1253 | 8.6230 | 8.8114 |
| August | 8.8781 | 8.7358 | 8.8124 |
| September | 8.8765 | 8.7542 | 8.8097 |
| October | 9.4630 | 8.9264 | 9.3298 |
| November | 9.3008 | 8.8413 | 9.0384 |
| December | 9.0433 | 8.7738 | 8.9306 |