2026 THB to JPY Historical Review

YEARLY HIGH

5.0993 JPY

YEARLY LOW

4.8230 JPY

YEARLY AVERAGE

4.9300 JPY

2026 THB to JPY Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2026

During 2026, the THB to JPY exchange rate experienced significant fluctuation. The market reached its absolute peak on January 22, valuing the pair at 5.0993. Conversely, the yearly low was recorded on May 2, dropping to 4.8230.

This high-to-low spread represents a total annual volatility of 0.2763 JPY. From a start-to-finish perspective, comparing the January average rate of 5.0029 to the December average rate of 4.8827, the exchange rate registered a net change of -2.40% (reflecting a weakening trend).

Looking at year-over-year peak valuations, the 2026 high of 5.0993 was up 1.16% compared to the 2025 peak of 5.0409, 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 1,274,836 JPY

2025 Average 1,139,436 JPY

Yearly Trough Low 1,205,755 JPY

Transaction Impact: A difference of 69,080.81 JPY purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2026.

5.0157

4.8621

JanuFebrMarcApriMayJune

THB to JPY 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 4.9300, compared to 0.0000 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 4.9300 points.

H1 Avg (Jan–Jun) 4.9300

H2 Avg (Jul–Dec) 0.0000

Volatility Range Comparison

Volatility

The most volatile month in 2026 was January, with a trading range of 0.1980 JPY (High: 5.0993 / Low: 4.9014). On the other end, June was the most stable month, with a tight range of 0.0354 JPY (High: 4.9008 / Low: 4.8654).

January Spread (Volatile) ±0.1980

June Spread (Stable) ±0.0354

Growth Streaks & Declines

Trends

No sustained consecutive month-over-month growth streak of 2+ months occurred in 2026. Conversely, the sharpest month-over-month decline occurred between April and May, when the average rate fell by 0.0546 points.

Longest Streak 1 Mo.

Sharpest MoM Drop -0.0546

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (January 2026: 5.0029) against the same month in 2025 (average: 4.5710), the exchange rate shifted by +0.4319 (+9.45%).

2026 Avg (January) 5.0029

2025 Avg (January) 4.5710

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	5.0993	4.9014	5.0029
February	5.0471	4.8893	4.9660
March	5.0189	4.8446	4.9237
April	4.9733	4.8671	4.9295
May	4.8926	4.8230	4.8749
June	4.9008	4.8654	4.8827