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Optimism (OP) to Cuban Convertible Peso (CUC)

Convert Optimism to Cuban Convertible Peso at the live mid-market rate. Reverse: CUC to OP

The Cuban Convertible Peso is no longer in use

Cuban Convertible Peso (CUC) was replaced by the Cuban Peso (CUP) in 2021. For today’s money, convert OP to CUP.

1 Optimism =

0.1358 CUC −0.61% today

1 OP = 0.135755 CUC · 1 CUC = 7.36621 OP

Mid-market rate, updated 05:53 UTC. Paid plans update as often as every 60 seconds. Get OP→CUC rates via API

OP to CUC over the last year

0.200.400.600.80Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.75768
52-week low
0.08217
52-week average
0.19941
Change over the year
−81.25%

Conversion tables

OP to CUC
OP CUC
1 OP 0.1358 CUC
10 OP 1.36 CUC
100 OP 13.58 CUC
1,000 OP 135.76 CUC
10,000 OP 1,357.55 CUC
50,000 OP 6,787.75 CUC
100,000 OP 13,575.50 CUC
CUC to OP
CUC OP
1 CUC 7.36620913 OP
10 CUC 73.66209135 OP
100 CUC 736.62091349 OP
1,000 CUC 7,366.20913490 OP
10,000 CUC 73,662.09134900 OP
50,000 CUC 368,310.45674500 OP
100,000 CUC 736,620.91349000 OP

Get OP→CUC rates via API

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

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Questions about OP to CUC

How much is 1 OP in CUC?

1 Optimism is 0.135755 Cuban Convertible Peso at the mid-market rate of 4 October 2026, 05:53 UTC, and 1 CUC is 7.36621 OP.

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

Over the last 52 weeks 1 OP ranged from 0.0821667 to 0.757681 CUC, 0.199409 CUC on average.

Which exchange rate is this?

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