Convert 1 Optimism (OP) to São Tomé and Príncipe Dobra (STN)

Convert Optimism to São Tomé and Príncipe dobras at the live mid-market rate. Reverse: STN to OP

Amount

From

1 Optimism =

2.87 STN −4.15% today

1 OP = 2.87466 STN · 1 STN = 0.347867 OP

Mid-market rate, updated 11:43 UTC. Paid plans update as often as every 60 seconds. Get OP→STN rates via API

OP to STN over the last year

52-week high: 15.9839
52-week low: 1.7583
52-week average: 4.2322
Change over the year: −81.05%

Conversion tables

OP to STN
OP	STN
1 OP	2.87 STN
10 OP	28.75 STN
100 OP	287.47 STN
1,000 OP	2,874.66 STN
10,000 OP	28,746.60 STN
50,000 OP	143,732.98 STN
100,000 OP	287,465.96 STN

STN to OP
STN	OP
1 STN	0.3479 OP
10 STN	3.47867280 OP
100 STN	34.78672801 OP
1,000 STN	347.86728010 OP
10,000 STN	3,478.67280100 OP
50,000 STN	17,393.36400500 OP
100,000 STN	34,786.72801000 OP

Get OP→STN rates via API

The live rate, the rate on any past day or a whole range, for STN and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

Get a free API key API documentation

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=OP -d currencies=STN \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=OP -d currencies=STN \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about OP to STN

How much is 1 OP in STN?

1 Optimism is 2.87 São Tomé and Príncipe dobras at the mid-market rate of 4 October 2026, 11:43 UTC, when 1 OP = 2.87466 STN.

What was the OP to STN rate over the last year?

Over the last 52 weeks 1 OP ranged from 1.75825 to 15.9839 STN, 4.23223 STN on average.

Which exchange rate is this?

The mid-market rate: the midpoint between what currency markets pay and ask for OP/STN, without the margin a bank or card issuer adds, so the rate you are charged is usually a little worse.