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  2. OP to ISK

Optimism (OP) to Icelandic Króna (ISK)

Convert Optimism to Icelandic krónur at the live mid-market rate. Reverse: ISK to OP

1 Optimism =

16 ISK −1.53% today

1 OP = 16.3983 ISK · 1 ISK = 0.0609817 OP

Mid-market rate, updated 03:45 UTC. Paid plans update as often as every 60 seconds. Get OP→ISK rates via API

OP to ISK over the last year

25.0050.0075.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
91.748
52-week low
10.094
52-week average
24.767
Change over the year
−81.27%

Conversion tables

OP to ISK
OP ISK
1 OP 16 ISK
10 OP 164 ISK
100 OP 1,640 ISK
1,000 OP 16,398 ISK
10,000 OP 163,983 ISK
50,000 OP 819,917 ISK
100,000 OP 1,639,835 ISK
ISK to OP
ISK OP
1 ISK 0.06098 OP
10 ISK 0.6098 OP
100 ISK 6.09817477 OP
1,000 ISK 60.98174770 OP
10,000 ISK 609.81747700 OP
50,000 ISK 3,049.08738500 OP
100,000 ISK 6,098.17477000 OP

Get OP→ISK rates via API

The live rate, the rate on any past day or a whole range, for ISK 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=ISK \
  -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=ISK \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about OP to ISK

How much is 1 OP in ISK?

1 Optimism is 16.3983 Icelandic krónur at the mid-market rate of 4 October 2026, 03:45 UTC, and 1 ISK is 0.0609817 OP.

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

Over the last 52 weeks 1 OP ranged from 10.0942 to 91.7476 ISK, 24.7672 ISK on average.

Which exchange rate is this?

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