2025 THB to SDG Historical Review

YEARLY HIGH

19.3720 SDG

YEARLY LOW

17.2112 SDG

YEARLY AVERAGE

18.2983 SDG

2025 THB to SDG Performance & Market Timing Review

Analysis of key historical highlights and timing insights for 2025

During 2025, the THB to SDG exchange rate experienced significant fluctuation. The market reached its absolute peak on December 25, valuing the pair at 19.3720. Conversely, the yearly low was recorded on April 8, dropping to 17.2112.

This high-to-low spread represents a total annual volatility of 2.1607 SDG. From a start-to-finish perspective, comparing the January average rate of 17.5460 to the December average rate of 19.0785, the exchange rate registered a net change of 8.73% (reflecting a strengthening trend).

Looking at year-over-year peak valuations, the 2025 high of 19.3720 was up 4.20% compared to the 2024 peak of 18.5903, 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 4,842,995 SDG

2024 Average 4,246,633 SDG

Yearly Trough Low 4,302,809 SDG

Transaction Impact: A difference of 540,186.34 SDG purely based on transaction execution date.

Trend Visualization

Monthly average fluctuations over the course of 2025.

19.2318

17.3928

JanuMarcMayJulySeptNove

THB to SDG 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 17.9299, compared to 18.6668 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 0.7369 points.

H1 Avg (Jan–Jun) 17.9299

H2 Avg (Jul–Dec) 18.6668

Volatility Range Comparison

Volatility

The most volatile month in 2025 was April, with a trading range of 0.9527 SDG (High: 18.1639 / Low: 17.2112). On the other end, August was the most stable month, with a tight range of 0.2472 SDG (High: 18.6336 / Low: 18.3864).

April Spread (Volatile) ±0.9527

August Spread (Stable) ±0.2472

Growth Streaks & Declines

Trends

Between March and September, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 6 straight months. Conversely, the sharpest month-over-month decline occurred between September and October, when the average rate fell by 0.3170 points.

Longest Streak 6 Mo.

Sharpest MoM Drop -0.3170

Same-Month Historical Baseline

YoY Baseline

Comparing the current year's strongest month average (December 2025: 19.0785) against the same month in 2024 (average: 17.6117), the exchange rate shifted by +1.4669 (+8.33%).

2025 Avg (December) 19.0785

2024 Avg (December) 17.6117

Monthly Breakdown

Statistical summary for each calendar month.

Month	High	Low	Average
January	17.9078	17.3027	17.5460
February	17.9192	17.5538	17.7903
March	17.9351	17.5538	17.7839
April	18.1639	17.2112	17.8104
May	18.4840	17.8987	18.2219
June	18.5764	18.2968	18.4268
July	18.6781	18.3359	18.5153
August	18.6336	18.3864	18.5458
September	19.0454	18.5305	18.7933
October	18.6653	18.3049	18.4763
November	18.8166	18.4372	18.5912
December	19.3720	18.7669	19.0785