2021 THB to IRR Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 THB to IRR Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the THB to IRR exchange rate experienced significant fluctuation. The market reached its absolute peak on February 13, valuing the pair at 1410.1510. Conversely, the yearly low was recorded on September 29, dropping to 1243.7758.
This high-to-low spread represents a total annual volatility of 166.3752 IRR. From a start-to-finish perspective, comparing the January average rate of 1403.0204 to the December average rate of 1259.8177, the exchange rate registered a net change of -10.21% (reflecting a weakening trend).
Looking at year-over-year peak valuations, the 2021 high of 1410.1510 was down 33.48% compared to the 2020 peak of 2119.8217, indicating shifts in long-term support levels.
Comparing the value generated converting 250,000 THB based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
THB to IRR Seasonal Trends & Volatility Analysis
A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.
Seasonal Halves (H1 vs H2)
SeasonalThe average exchange rate in the first half of the year (H1: Jan–Jun) was 1367.5039, compared to 1273.3550 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the first half (Jan–Jun) by a margin of 94.1489 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was September, with a trading range of 63.0530 IRR (High: 1306.8287 / Low: 1243.7758). On the other end, January was the most stable month, with a tight range of 15.5692 IRR (High: 1409.9914 / Low: 1394.4222).
Growth Streaks & Declines
TrendsNo sustained consecutive month-over-month growth streak of 2+ months occurred in 2021. Conversely, the sharpest month-over-month decline occurred between June and July, when the average rate fell by 49.3829 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (February 2021: 1402.2824) against the same month in 2020 (average: 1343.7348), the exchange rate shifted by +58.5477 (+4.36%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 1409.9914 | 1394.4222 | 1403.0204 |
| February | 1410.1510 | 1381.9097 | 1402.2824 |
| March | 1393.4209 | 1345.2077 | 1368.1375 |
| April | 1352.1239 | 1336.4047 | 1344.2059 |
| May | 1356.5891 | 1336.9605 | 1347.0773 |
| June | 1355.1658 | 1310.3556 | 1340.2997 |
| July | 1312.2137 | 1278.7254 | 1290.9168 |
| August | 1311.2958 | 1259.0406 | 1274.4623 |
| September | 1306.8287 | 1243.7758 | 1277.1177 |
| October | 1278.2190 | 1244.2884 | 1261.2911 |
| November | 1296.4099 | 1252.3285 | 1276.5244 |
| December | 1273.5255 | 1247.6740 | 1259.8177 |