2021 BOB to IDR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 BOB to IDR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the BOB to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on April 13, valuing the pair at 2121.0842. Conversely, the yearly low was recorded on February 15, dropping to 2010.9259.
This high-to-low spread represents a total annual volatility of 110.1583 IDR. From a start-to-finish perspective, comparing the January average rate of 2040.6005 to the December average rate of 2076.0217, the exchange rate registered a net change of 1.74% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2021 high of 2121.0842 was down 14.67% compared to the 2020 peak of 2485.7742, indicating shifts in long-term support levels.
Comparing the value generated converting 5,000 BOB based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
BOB 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 2069.2116, compared to 2075.5996 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 6.3880 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was June, with a trading range of 73.6613 IDR (High: 2107.7383 / Low: 2034.0769). On the other end, September was the most stable month, with a tight range of 18.5938 IDR (High: 2076.3454 / Low: 2057.7515).
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 31.5555 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (April 2021: 2105.9673) against the same month in 2020 (average: 2284.9194), the exchange rate shifted by -178.9521 (-7.83%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 2058.4758 | 2016.0502 | 2040.6005 |
| February | 2079.7473 | 2010.9259 | 2034.6911 |
| March | 2108.6747 | 2064.1964 | 2083.8593 |
| April | 2121.0842 | 2090.1005 | 2105.9673 |
| May | 2101.3225 | 2049.8604 | 2074.4118 |
| June | 2107.7383 | 2034.0769 | 2075.7395 |
| July | 2116.6397 | 2084.4114 | 2101.3619 |
| August | 2098.6042 | 2065.6234 | 2084.0368 |
| September | 2076.3454 | 2057.7515 | 2065.9007 |
| October | 2072.5163 | 2034.7553 | 2055.7271 |
| November | 2090.3092 | 2053.7270 | 2070.5492 |
| December | 2107.9308 | 2053.6778 | 2076.0217 |