2021 ARS to IDR Historical Review

YEARLY HIGH

166.9931 IDR

YEARLY LOW

138.5276 IDR

YEARLY AVERAGE

150.8799 IDR

2021 ARS to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2021

During 2021, the ARS to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on January 1, valuing the pair at 166.9931. Conversely, the yearly low was recorded on December 23, dropping to 138.5276.

This high-to-low spread represents a total annual volatility of 28.4656 IDR. From a start-to-finish perspective, comparing the January average rate of 163.7003 to the December average rate of 140.6592, the exchange rate registered a net change of -14.08% (reflecting a weakening trend).

Looking at year-over-year peak valuations, the 2021 high of 166.9931 was down 37.37% compared to the 2020 peak of 266.6178, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

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

Yearly Peak High 834,966 IDR

2020 Average 1,040,738 IDR

Yearly Trough Low 692,638 IDR

Transaction Impact: A difference of 142,327.87 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2021.

166.0044

138.3551

JanuMarcMayJulySeptNove

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)

Seasonal

The average exchange rate in the first half of the year (H1: Jan–Jun) was 156.7197, compared to 145.0400 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 11.6797 points.

H1 Avg (Jan–Jun) 156.7197

H2 Avg (Jul–Dec) 145.0400

Volatility Range Comparison

Volatility

The most volatile month in 2021 was January, with a trading range of 6.2641 IDR (High: 166.9931 / Low: 160.7291). On the other end, September was the most stable month, with a tight range of 1.2488 IDR (High: 145.7612 / Low: 144.5124).

January Spread (Volatile) ±6.2641

September Spread (Stable) ±1.2488

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 January and February, when the average rate fell by 5.2086 points.

Longest Streak 0 Mo.

Sharpest MoM Drop -5.2086

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (January 2021: 163.7003) against the same month in 2020 (average: 228.9719), the exchange rate shifted by -65.2716 (-28.51%).

2021 Avg (January) 163.7003

2020 Avg (January) 228.9719

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	166.9931	160.7291	163.7003
February	160.0909	157.0011	158.4917
March	159.4627	156.8286	158.1193
April	158.4562	154.4989	156.9459
May	154.5992	150.5951	152.2326
June	152.3781	149.1711	150.8285
July	152.5847	149.5070	150.8004
August	149.5211	145.7987	148.0597
September	145.7612	144.5124	145.1891
October	145.0871	141.8519	143.1185
November	144.2651	141.4521	142.4132
December	143.6582	138.5276	140.6592