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  2. OP to ADA
  3. 1 OP

Convert 1 Optimism (OP) to Cardano (ADA)

Convert Optimism to Cardanos at the live mid-market rate. Reverse: ADA to OP

1 Optimism =

0.5509 ADA −1.39% today

1 OP = 0.550914 ADA · 1 ADA = 1.81517 OP

Mid-market rate, updated 06:56 UTC. Paid plans update as often as every 60 seconds. Get OP→ADA rates via API

OP to ADA over the last year

0.400.600.80Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.87320
52-week low
0.41598
52-week average
0.60651
Change over the year
−36.14%

Conversion tables

OP to ADA
OP ADA
1 OP 0.5509 ADA
10 OP 5.509141 ADA
100 OP 55.091406 ADA
1,000 OP 550.914062 ADA
10,000 OP 5,509.140617 ADA
50,000 OP 27,545.703085 ADA
100,000 OP 55,091.406170 ADA
ADA to OP
ADA OP
1 ADA 1.81516514 OP
10 ADA 18.15165140 OP
100 ADA 181.51651402 OP
1,000 ADA 1,815.16514020 OP
10,000 ADA 18,151.65140200 OP
50,000 ADA 90,758.25701000 OP
100,000 ADA 181,516.51402000 OP

Get OP→ADA rates via API

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

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=OP -d currencies=ADA \
  -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=ADA \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about OP to ADA

How much is 1 OP in ADA?

1 Optimism is 0.5509 Cardanos at the mid-market rate of 4 October 2026, 06:56 UTC, when 1 OP = 0.550914 ADA.

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

Over the last 52 weeks 1 OP ranged from 0.415983 to 0.873198 ADA, 0.606505 ADA on average.

Which exchange rate is this?

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