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  2. OP to ARS

Optimism (OP) to Argentine Peso (ARS)

Convert Optimism to Argentine pesos at the live mid-market rate. Reverse: ARS to OP

1 Optimism =

205.71 ARS −1.19% today

1 OP = 205.709 ARS · 1 ARS = 0.00486123 OP

Mid-market rate, updated 04:54 UTC. Paid plans update as often as every 60 seconds. Get OP→ARS rates via API

OP to ARS over the last year

500.001,000.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
1,083.29
52-week low
122.84
52-week average
286.89
Change over the year
−80.06%

Conversion tables

OP to ARS
OP ARS
1 OP 205.71 ARS
10 OP 2,057.09 ARS
100 OP 20,570.94 ARS
1,000 OP 205,709.39 ARS
10,000 OP 2,057,093.87 ARS
50,000 OP 10,285,469.36 ARS
100,000 OP 20,570,938.72 ARS
ARS to OP
ARS OP
1 ARS 0.004861 OP
10 ARS 0.04861 OP
100 ARS 0.4861 OP
1,000 ARS 4.86122690 OP
10,000 ARS 48.61226900 OP
50,000 ARS 243.06134500 OP
100,000 ARS 486.12269000 OP

Get OP→ARS rates via API

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

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Questions about OP to ARS

How much is 1 OP in ARS?

1 Optimism is 205.709 Argentine pesos at the mid-market rate of 4 October 2026, 04:54 UTC, and 1 ARS is 0.00486123 OP.

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

Over the last 52 weeks 1 OP ranged from 122.84 to 1,083.29 ARS, 286.893 ARS on average.

Which exchange rate is this?

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