2018 SAR to IDR Historical Review

YEARLY HIGH

4086.1211 IDR

YEARLY LOW

3548.7412 IDR

YEARLY AVERAGE

3776.3853 IDR

2018 SAR to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2018

During 2018, the SAR to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on October 8, valuing the pair at 4086.1211. Conversely, the yearly low was recorded on January 28, dropping to 3548.7412.

This high-to-low spread represents a total annual volatility of 537.3800 IDR. From a start-to-finish perspective, comparing the January average rate of 3575.9834 to the December average rate of 3869.7569, the exchange rate registered a net change of 8.22% (reflecting a strengthening trend).

Looking at year-over-year peak valuations, the 2018 high of 4086.1211 was up 12.86% compared to the 2017 peak of 3620.4495, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

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

Yearly Peak High 20,430,606 IDR

2017 Average 17,837,139 IDR

Yearly Trough Low 17,743,706 IDR

Transaction Impact: A difference of 2,686,899.77 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2018.

4096.8906

3528.6282

JanuMarcMayJulySeptNove

SAR 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 3669.5600, compared to 3883.2106 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 213.6506 points.

H1 Avg (Jan–Jun) 3669.5600

H2 Avg (Jul–Dec) 3883.2106

Volatility Range Comparison

Volatility

The most volatile month in 2018 was November, with a trading range of 212.8516 IDR (High: 4033.0294 / Low: 3820.1778). On the other end, September was the most stable month, with a tight range of 14.2419 IDR (High: 3847.5396 / Low: 3833.2978).

November Spread (Volatile) ±212.8516

September Spread (Stable) ±14.2419

Growth Streaks & Declines

Trends

Between January and May, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 4 straight months. Conversely, the sharpest month-over-month decline occurred between October and November, when the average rate fell by 139.4530 points.

Longest Streak 4 Mo.

Sharpest MoM Drop -139.4530

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (October 2018: 4049.5354) against the same month in 2017 (average: 3604.5998), the exchange rate shifted by +444.9355 (+12.34%).

2018 Avg (October) 4049.5354

2017 Avg (October) 3604.5998

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	3616.2442	3548.7412	3575.9834
February	3659.1104	3576.7800	3621.6870
March	3675.8694	3659.0973	3669.2063
April	3701.7480	3669.1586	3680.5276
May	3781.6099	3674.8170	3741.6349
June	3791.5289	3693.7254	3728.3207
July	3824.0188	3789.0564	3806.6114
August	3836.0275	3811.5652	3821.8836
September	3847.5396	3833.2978	3841.3937
October	4086.1211	3888.4969	4049.5354
November	4033.0294	3820.1778	3910.0824
December	3897.2199	3806.2175	3869.7569