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  2. OP to ADA

Optimism (OP) to Cardano (ADA)

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

1 Optimism =

0.5536 ADA −0.90% today

1 OP = 0.553645 ADA · 1 ADA = 1.80621 OP

Mid-market rate, updated 04:50 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
−35.82%

Conversion tables

OP to ADA
OP ADA
1 OP 0.5536 ADA
10 OP 5.536448 ADA
100 OP 55.364483 ADA
1,000 OP 553.644826 ADA
10,000 OP 5,536.448262 ADA
50,000 OP 27,682.241310 ADA
100,000 OP 55,364.482620 ADA
ADA to OP
ADA OP
1 ADA 1.80621213 OP
10 ADA 18.06212129 OP
100 ADA 180.62121287 OP
1,000 ADA 1,806.21212870 OP
10,000 ADA 18,062.12128700 OP
50,000 ADA 90,310.60643500 OP
100,000 ADA 180,621.21287000 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.

Get a free API key API documentation 
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 0.553645 Cardanos at the mid-market rate of 4 October 2026, 04:50 UTC, and 1 ADA is 1.80621 OP.

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, 0.606513 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.