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Optimism (OP) to Singapore Dollar (SGD)

Convert Optimism to Singapore dollars at the live mid-market rate. Reverse: SGD to OP

1 Optimism =

0.1712 SGD −2.05% today

1 OP = 0.171161 SGD · 1 SGD = 5.84245 OP

Mid-market rate, updated 09:39 UTC. Paid plans update as often as every 60 seconds. Get OP→SGD rates via API

OP to SGD over the last year

0.501.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.97826
52-week low
0.10504
52-week average
0.25664
Change over the year
−81.66%

Conversion tables

OP to SGD
OP SGD
1 OP 0.1712 SGD
10 OP 1.71 SGD
100 OP 17.12 SGD
1,000 OP 171.16 SGD
10,000 OP 1,711.61 SGD
50,000 OP 8,558.05 SGD
100,000 OP 17,116.10 SGD
SGD to OP
SGD OP
1 SGD 5.84245279 OP
10 SGD 58.42452787 OP
100 SGD 584.24527873 OP
1,000 SGD 5,842.45278730 OP
10,000 SGD 58,424.52787300 OP
50,000 SGD 292,122.63936500 OP
100,000 SGD 584,245.27873000 OP

Get OP→SGD rates via API

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

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Questions about OP to SGD

How much is 1 OP in SGD?

1 Optimism is 0.171161 Singapore dollars at the mid-market rate of 4 October 2026, 09:39 UTC, and 1 SGD is 5.84245 OP.

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

Over the last 52 weeks 1 OP ranged from 0.105044 to 0.978265 SGD, 0.256641 SGD on average.

Which exchange rate is this?

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