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Optimism (OP) to Samoan Tala (WST)

Convert Optimism to Samoan Tala at the live mid-market rate. Reverse: WST to OP

1 Optimism =

0.3749 WST −1.58% today

1 OP = 0.374875 WST · 1 WST = 2.66756 OP

Mid-market rate, updated 03:52 UTC. Paid plans update as often as every 60 seconds. Get OP→WST rates via API

OP to WST over the last year

1.002.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
2.08811
52-week low
0.22186
52-week average
0.55013
Change over the year
−81.40%

Conversion tables

OP to WST
OP WST
1 OP 0.3749 WST
10 OP 3.75 WST
100 OP 37.49 WST
1,000 OP 374.87 WST
10,000 OP 3,748.75 WST
50,000 OP 18,743.74 WST
100,000 OP 37,487.49 WST
WST to OP
WST OP
1 WST 2.66755680 OP
10 WST 26.67556798 OP
100 WST 266.75567984 OP
1,000 WST 2,667.55679840 OP
10,000 WST 26,675.56798400 OP
50,000 WST 133,377.83992000 OP
100,000 WST 266,755.67984000 OP

Get OP→WST rates via API

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

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Questions about OP to WST

How much is 1 OP in WST?

1 Optimism is 0.374875 Samoan Tala at the mid-market rate of 4 October 2026, 03:52 UTC, and 1 WST is 2.66756 OP.

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

Over the last 52 weeks 1 OP ranged from 0.221857 to 2.08811 WST, 0.550125 WST on average.

Which exchange rate is this?

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