YEARLY HIGH
735.5744 IDR
YEARLY LOW
349.3588 IDR
YEARLY AVERAGE
537.5041 IDR

2018 ARS to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2018

During 2018, the ARS to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on January 2, valuing the pair at 735.5744. Conversely, the yearly low was recorded on September 30, dropping to 349.3588.

This high-to-low spread represents a total annual volatility of 386.2155 IDR. From a start-to-finish perspective, comparing the January average rate of 706.0111 to the December average rate of 384.0728, the exchange rate registered a net change of -45.60% (reflecting a weakening trend).

Looking at year-over-year peak valuations, the 2018 high of 735.5744 was down 16.30% compared to the 2017 peak of 878.8343, 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 3,677,872 IDR
2017 Average 4,051,437 IDR
Yearly Trough Low 1,746,794 IDR
Transaction Impact: A difference of 1,931,077.74 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2018.

739.2127
340.7936
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 646.2040, compared to 428.8041 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 217.3998 points.

H1 Avg (Jan–Jun) 646.2040
H2 Avg (Jul–Dec) 428.8041

Volatility Range Comparison

Volatility

The most volatile month in 2018 was August, with a trading range of 153.7767 IDR (High: 525.2480 / Low: 371.4713). On the other end, March was the most stable month, with a tight range of 8.7141 IDR (High: 683.9420 / Low: 675.2279).

August Spread (Volatile) ±153.7767
March Spread (Stable) ±8.7141

Growth Streaks & Declines

Trends

No sustained consecutive month-over-month growth streak of 2+ months occurred in 2018. Conversely, the sharpest month-over-month decline occurred between August and September, when the average rate fell by 109.2163 points.

Longest Streak 1 Mo.
Sharpest MoM Drop -109.2163

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (January 2018: 706.0111) against the same month in 2017 (average: 841.3437), the exchange rate shifted by -135.3326 (-16.09%).

2018 Avg (January) 706.0111
2017 Avg (January) 841.3437

Monthly Breakdown

Statistical summary for each calendar month.

Month High Low Average
January 735.5744 680.2558 706.0111
February 693.3164 676.0237 684.9975
March 683.9420 675.2279 680.6929
April 686.7237 674.0947 681.8657
May 672.3348 557.2705 597.7240
June 556.7670 492.0554 525.9327
July 524.5278 490.8562 517.0453
August 525.2480 371.4713 483.2114
September 390.2073 349.3588 373.9952
October 424.7862 369.4242 410.5299
November 424.1592 370.6555 403.9703
December 390.8438 377.7653 384.0728