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1 XCD to ONEEast Caribbean Dollar → Harmony
On 2026-10-31, 1 East Caribbean Dollar (XCD) = 3.4735 Harmony (ONE) at the mid-market rate. Conversely, 1 ONE = 0.2879 XCD. Over the last 30 days the XCD/ONE rate moved between 2.5223 and 3.6675, a change of +29.41%.
This page shows the live mid-market rate from East Caribbean Dollar (XCD) to Harmony (ONE), its history over the past year and ready-made conversion tables. Rates are updated twice a day; banks and card networks usually add a margin on top.
XCD/ONE exchange rate chart
XCD/ONE went from 2.6296 on Oct 2, 2026 to 3.4735 on Oct 31, 2026 (+32.09 %). Highest: 3.6675 (Oct 26, 2026); lowest: 2.5223 (Oct 6, 2026).
XCD/ONE exchange rate analysis
Over the last 30 days the XCD/ONE rate rose sharply (+29.41%): the XCD strengthened markedly against the ONE. Over the past 12 months it ranged from 2.1055 (2026-09-18) to 787.30 (2025-12-06), with an average of 164.11. Today's rate is 97.88% below its one-year average: 1 XCD buys fewer ONE than usual. Day-to-day movements are large (average daily change of 2.70%), so the amount received can vary noticeably from one day to the next. The largest daily move of the last 30 days was +10.31% on 2026-10-15.
| Period | Date | 1 XCD = | Change |
|---|---|---|---|
| 1 week ago | 3.5948 ONE | -3.37% | |
| 1 month ago | 2.6841 ONE | +29.41% | |
| 3 months ago | 316.10 ONE | -98.90% | |
| 6 months ago | 163.32 ONE | -97.87% | |
| 1 year ago | 64.4100 ONE | -94.61% |
XCD/ONE · last 10 days
| Date | 1 XCD = | 1 ONE = |
|---|---|---|
| 3.4735 ONE | 0.2879 XCD | |
| 3.6017 ONE | 0.2776 XCD | |
| 3.3832 ONE | 0.2956 XCD | |
| 3.4848 ONE | 0.287 XCD | |
| 3.5858 ONE | 0.2789 XCD | |
| 3.6675 ONE | 0.2727 XCD | |
| 3.6066 ONE | 0.2773 XCD | |
| 3.5948 ONE | 0.2782 XCD | |
| 3.6398 ONE | 0.2747 XCD | |
| 3.5962 ONE | 0.2781 XCD |
East Caribbean Dollar to Harmony
Harmony to East Caribbean Dollar
Frequently asked questions
How much is 1 XCD in ONE today?
1 East Caribbean Dollar is worth 3.4735 Harmony at the mid-market rate of 2026-10-31. 1 Harmony is worth 0.2879 East Caribbean Dollar.
How much is 100 XCD in ONE?
100 XCD = 347.35 ONE, and 100 ONE = 28.7891 XCD (rate of 2026-10-31).
How has the XCD to ONE rate changed over the last month?
Over 30 days the rate went from 2.6841 to 3.4735 (+29.41%). The 30-day high was 3.6675 and the low was 2.5223.
How has the XCD to ONE rate changed this week?
One week ago 1 XCD was worth 3.5948 ONE; today it is worth 3.4735 ONE (-3.37%).
What was the best XCD to ONE rate in the past year?
The highest rate of the past 12 months was 1 XCD = 787.30 ONE on 2025-12-06; the lowest was 2.1055 ONE on 2026-09-18.
Where does this exchange rate come from?
XeConvert publishes daily mid-market reference rates aggregated from public market data and central bank sources. Banks, card issuers and exchange offices add a margin, so the rate you actually get may be slightly different.
East Caribbean Dollar to other currencies
About the East Caribbean Dollar (XCD)
The East Caribbean Dollar is used in 8 countries and territories, including Dominica, St. Lucia, Antigua & Barbuda, St. Vincent & Grenadines, Grenada, St. Kitts & Nevis. Symbol: EC$. ISO 4217 code: XCD.
All East Caribbean Dollar (XCD) exchange rates →