2026 THB to IDR Historical Review

YEARLY HIGH

552.7236 IDR

YEARLY LOW

513.5563 IDR

YEARLY AVERAGE

536.6799 IDR

2026 THB to IDR Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2026

During 2026, the THB to IDR exchange rate experienced significant fluctuation. The market reached its absolute peak on June 8, valuing the pair at 552.7236. Conversely, the yearly low was recorded on March 26, dropping to 513.5563.

This high-to-low spread represents a total annual volatility of 39.1673 IDR. From a start-to-finish perspective, comparing the January average rate of 536.5480 to the December average rate of 537.6960, the exchange rate registered a net change of 0.21% (reflecting a strengthening trend).

Looking at year-over-year peak valuations, the 2026 high of 552.7236 was up 2.40% compared to the 2025 peak of 539.7778, indicating shifts in long-term support levels.

Transfer Payout Power Comparison

Comparing the value generated converting 250,000 THB based on timing:

Yearly Peak High 138,180,897 IDR

2025 Average 125,430,075 IDR

Yearly Trough Low 128,389,066 IDR

Transaction Impact: A difference of 9,791,830.90 IDR purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2026.

546.4935

523.0538

JanuMarcMayJuly

THB 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 536.3901, compared to 537.5492 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 1.1591 points.

H1 Avg (Jan–Jun) 536.3901

H2 Avg (Jul–Dec) 537.5492

Volatility Range Comparison

Volatility

The most volatile month in 2026 was March, with a trading range of 24.8764 IDR (High: 538.4326 / Low: 513.5563). On the other end, August was the most stable month, with a tight range of 0.0000 IDR (High: 537.6960 / Low: 537.6960).

March Spread (Volatile) ±24.8764

August Spread (Stable) ±0.0000

Growth Streaks & Declines

Trends

Between March and May, 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 February and March, when the average rate fell by 13.8479 points.

Longest Streak 2 Mo.

Sharpest MoM Drop -13.8479

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (June 2026: 543.4605) against the same month in 2025 (average: 499.8395), the exchange rate shifted by +43.6209 (+8.73%).

2026 Avg (June) 543.4605

2025 Avg (June) 499.8395

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	547.1051	528.5949	536.5480
February	544.3047	529.5639	538.8550
March	538.4326	513.5563	525.0071
April	535.9729	519.3806	529.9297
May	547.9271	532.8247	544.5402
June	552.7236	534.8979	543.4605
July	542.9822	530.0785	537.4025
August	537.6960	537.6960	537.6960