YEARLY HIGH
1.4312 IDR
YEARLY LOW
1.2535 IDR
YEARLY AVERAGE
1.3738 IDR

2021 SLL to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2021

During 2021, the SLL to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on April 13, valuing the pair at 1.4312. Conversely, the yearly low was recorded on December 25, dropping to 1.2535.

This high-to-low spread represents a total annual volatility of 0.1777 IDR. From a start-to-finish perspective, comparing the January average rate of 1.3805 to the December average rate of 1.2756, the exchange rate registered a net change of -7.60% (reflecting a weakening trend).

Looking at year-over-year peak valuations, the 2021 high of 1.4312 was down 35.94% compared to the 2020 peak of 2.2342, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

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

Yearly Peak High 7,156 IDR
2020 Average 7,981 IDR
Yearly Trough Low 6,267 IDR
Transaction Impact: A difference of 888.42 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2021.

1.4375
1.2609
JanuMarcMayJulySeptNove

SLL 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 1.3975, compared to 1.3501 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 0.0474 points.

H1 Avg (Jan–Jun) 1.3975
H2 Avg (Jul–Dec) 1.3501

Volatility Range Comparison

Volatility

The most volatile month in 2021 was December, with a trading range of 0.0527 IDR (High: 1.3062 / Low: 1.2535). On the other end, July was the most stable month, with a tight range of 0.0162 IDR (High: 1.4248 / Low: 1.4086).

December Spread (Volatile) ±0.0527
July Spread (Stable) ±0.0162

Growth Streaks & Declines

Trends

Between 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 September and October, when the average rate fell by 0.0352 points.

Longest Streak 2 Mo.
Sharpest MoM Drop -0.0352

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (April 2021: 1.4228) against the same month in 2020 (average: 1.7703), the exchange rate shifted by -0.3475 (-19.63%).

2021 Avg (April) 1.4228
2020 Avg (April) 1.7703

Monthly Breakdown

Statistical summary for each calendar month.

Month High Low Average
January 1.4074 1.3592 1.3805
February 1.4058 1.3610 1.3772
March 1.4217 1.3975 1.4092
April 1.4312 1.4123 1.4228
May 1.4165 1.3822 1.3988
June 1.4206 1.3741 1.3962
July 1.4248 1.4086 1.4142
August 1.4139 1.3814 1.4007
September 1.3840 1.3542 1.3703
October 1.3526 1.3155 1.3350
November 1.3281 1.2876 1.3047
December 1.3062 1.2535 1.2756