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1 ONE to STDHarmony → São Tomé And Príncipe Dobra
On 2026-10-26, 1 Harmony (ONE) = 2,212.78 São Tomé And Príncipe Dobra (STD) at the mid-market rate. Conversely, 1 STD = 0.0004519 ONE. Over the last 30 days the ONE/STD rate moved between 2,212.78 and 3,436.68, a change of -35.61%.
This page shows the live mid-market rate from Harmony (ONE) to São Tomé And Príncipe Dobra (STD), 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.
ONE/STD exchange rate chart
ONE/STD went from 3,138.83 on Sep 26, 2026 to 2,212.78 on Oct 26, 2026 (−29.50 %). Highest: 3,355.21 (Sep 27, 2026); lowest: 2,212.78 (Oct 26, 2026).
ONE/STD exchange rate analysis
Over the last 30 days the ONE/STD rate fell sharply (-29.50%): the ONE weakened markedly against the STD. Over the past 12 months it ranged from 9.9871 (2025-12-06) to 3,637.44 (2026-09-18), with an average of 473.54. Today's rate is 367.28% above its one-year average: 1 ONE buys more STD than usual. Day-to-day movements are large (average daily change of 2.71%), so the amount received can vary noticeably from one day to the next. The largest daily move of the last 30 days was -9.47% on 2026-10-15.
| Period | Date | 1 ONE = | Change |
|---|---|---|---|
| 1 week ago | 2,265.18 STD | -2.31% | |
| 1 month ago | 3,138.83 STD | -29.50% | |
| 6 months ago | 47.7355 STD | +4,535.50% | |
| 1 year ago | 141.95 STD | +1,458.82% |
ONE/STD · last 10 days
| Date | 1 ONE = | 1 STD = |
|---|---|---|
| 2,212.78 STD | 0.0004519 ONE | |
| 2,249.31 STD | 0.0004446 ONE | |
| 2,251.51 STD | 0.0004441 ONE | |
| 2,233.53 STD | 0.0004477 ONE | |
| 2,255.49 STD | 0.0004434 ONE | |
| 2,276.12 STD | 0.0004393 ONE | |
| 2,238.20 STD | 0.0004468 ONE | |
| 2,265.18 STD | 0.0004415 ONE | |
| 2,228.07 STD | 0.0004488 ONE | |
| 2,303.88 STD | 0.000434 ONE |
Harmony to São Tomé And Príncipe Dobra
São Tomé And Príncipe Dobra to Harmony
Frequently asked questions
How much is 1 ONE in STD today?
1 Harmony is worth 2,212.78 São Tomé And Príncipe Dobra at the mid-market rate of 2026-10-26. 1 São Tomé And Príncipe Dobra is worth 0.0004519 Harmony.
How much is 100 ONE in STD?
100 ONE = 221,277.88 STD, and 100 STD = 0.04519 ONE (rate of 2026-10-26).
How has the ONE to STD rate changed over the last month?
Over 30 days the rate went from 3,436.68 to 2,212.78 (-35.61%). The 30-day high was 3,436.68 and the low was 2,212.78.
How has the ONE to STD rate changed this week?
One week ago 1 ONE was worth 2,265.18 STD; today it is worth 2,212.78 STD (-2.31%).
What was the best ONE to STD rate in the past year?
The highest rate of the past 12 months was 1 ONE = 3,637.44 STD on 2026-09-18; the lowest was 9.9871 STD on 2025-12-06.
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.