2021 ETB to IDR Historical Review

YEARLY HIGH

359.9826 IDR

YEARLY LOW

62.7821 IDR

YEARLY AVERAGE

327.4294 IDR

2021 ETB to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2021

During 2021, the ETB to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on January 15, valuing the pair at 359.9826. Conversely, the yearly low was recorded on December 27, dropping to 62.7821.

This high-to-low spread represents a total annual volatility of 297.2005 IDR. From a start-to-finish perspective, comparing the January average rate of 356.7245 to the December average rate of 287.2535, the exchange rate registered a net change of -19.47% (reflecting a weakening trend).

Looking at year-over-year peak valuations, the 2021 high of 359.9826 was down 30.75% compared to the 2020 peak of 519.8139, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

Comparing the value generated converting 5,000 ETB based on timing:

Yearly Peak High 1,799,913 IDR

2020 Average 2,089,156 IDR

Yearly Trough Low 313,910 IDR

Transaction Impact: A difference of 1,486,002.56 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2021.

363.6716

280.3064

JanuMarcMayJulySeptNove

ETB to IDR Seasonal Trends & Volatility Analysis

A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.

Seasonal Halves (H1 vs H2)

Seasonal

The average exchange rate in the first half of the year (H1: Jan–Jun) was 346.6931, compared to 308.1657 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 38.5274 points.

H1 Avg (Jan–Jun) 346.6931

H2 Avg (Jul–Dec) 308.1657

Volatility Range Comparison

Volatility

The most volatile month in 2021 was December, with a trading range of 239.7120 IDR (High: 302.4941 / Low: 62.7821). On the other end, September was the most stable month, with a tight range of 6.9995 IDR (High: 312.8513 / Low: 305.8518).

December Spread (Volatile) ±239.7120

September Spread (Stable) ±6.9995

Growth Streaks & Declines

Trends

No sustained consecutive month-over-month growth streak of 2+ months occurred in 2021. Conversely, the sharpest month-over-month decline occurred between April and May, when the average rate fell by 13.5016 points.

Longest Streak 1 Mo.

Sharpest MoM Drop -13.5016

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (January 2021: 356.7245) against the same month in 2020 (average: 427.9716), the exchange rate shifted by -71.2472 (-16.65%).

2021 Avg (January) 356.7245

2020 Avg (January) 427.9716

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	359.9826	352.2178	356.7245
February	355.6515	346.7459	352.8683
March	359.2586	348.6832	355.4929
April	353.7386	343.7430	349.2283
May	342.9830	327.3102	335.7267
June	334.6305	325.6785	330.1179
July	333.0506	325.2869	329.1814
August	326.4652	312.2312	318.7990
September	312.8513	305.8518	309.5752
October	309.6826	299.2570	303.4726
November	305.0730	296.5689	300.7127
December	302.4941	62.7821	287.2535

2021 ETB నుండి IDR చారిత్రక సమీక్ష