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STN to IRR exchange rate history

Published daily São Tomé and Príncipe Second Dobra to Iranian Rial reference rates, with historical currency transitions adjusted for continuity.

Displayed range

September 4, 2025 to September 4, 2026

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Average rate: last 30 days

64,726.525

▲ Up 0.91%

IRR per 1 STN · published daily observations

65,525.60264,855.14964,184.697
2026-08-04Low 64,277.173 · High 65,433.1262026-09-03

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Recent published rates

Date1 STN
September 3, 202664,930.292 IRR
September 2, 202664,649.717 IRR
September 1, 202664,654.016 IRR
August 31, 202664,686.062 IRR
August 28, 202664,800.493 IRR
August 27, 202664,810.956 IRR
August 26, 202665,170.557 IRR
August 25, 202665,289.699 IRR
August 24, 202665,205.466 IRR
August 21, 202665,433.126 IRR
View IRR/STN historyArchive availability for this pair begins January 2, 2018.

Learn more about these currencies

STN

São Tomé and Príncipe Second Dobra

Learn more about STNIRR

Iranian Rial

Learn more about IRR

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Frequently asked questions

How far back does STN/IRR history go?+

The pair is bounded by the later underlying series. The archive can cover this pair from January 2, 2018; the chart shows the most recent year of published observations.

Are weekends filled in?+

No. The chart draws published daily observations only. Weekends, holidays, and other gaps do not become invented rate rows.