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Optimism (OP) to Australian Dollar (AUD)

Convert Optimism to Australian dollars at the live mid-market rate. Reverse: AUD to OP

1 Optimism =

0.1852 AUD −0.94% today

1 OP = 0.185175 AUD · 1 AUD = 5.40029 OP

Mid-market rate, updated 23:04 UTC. Paid plans update as often as every 60 seconds. Get OP→AUD rates via API

OP to AUD over the last year

0.501.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
1.14516
52-week low
0.11604
52-week average
0.30164
Change over the year
−82.61%

Conversion tables

OP to AUD
OP AUD
1 OP 0.1852 AUD
10 OP 1.85 AUD
100 OP 18.52 AUD
1,000 OP 185.18 AUD
10,000 OP 1,851.75 AUD
50,000 OP 9,258.76 AUD
100,000 OP 18,517.52 AUD
AUD to OP
AUD OP
1 AUD 5.40029056 OP
10 AUD 54.00290561 OP
100 AUD 540.02905611 OP
1,000 AUD 5,400.29056110 OP
10,000 AUD 54,002.90561100 OP
50,000 AUD 270,014.52805500 OP
100,000 AUD 540,029.05611000 OP

Get OP→AUD rates via API

The live rate, the rate on any past day or a whole range, for AUD 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=AUD \
  -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=AUD \
  -d date=2025-10-01 \
  -H "apikey: YOUR-API-KEY"

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Questions about OP to AUD

How much is 1 OP in AUD?

1 Optimism is 0.185175 Australian dollars at the mid-market rate of 1 October 2026, 23:04 UTC, and 1 AUD is 5.40029 OP.

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

Over the last 52 weeks 1 OP ranged from 0.116044 to 1.14516 AUD, 0.301637 AUD on average.

Which exchange rate is this?

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