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Optimism (OP) to Thai Baht (THB)

Convert Optimism to Thai baht at the live mid-market rate. Reverse: THB to OP

1 Optimism =

4.56 THB −0.60% today

1 OP = 4.55625 THB · 1 THB = 0.219479 OP

Mid-market rate, updated 05:51 UTC. Paid plans update as often as every 60 seconds. Get OP→THB rates via API

OP to THB over the last year

10.0020.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
24.6042
52-week low
2.7217
52-week average
6.4294
Change over the year
−80.54%

Conversion tables

OP to THB
OP THB
1 OP 4.56 THB
10 OP 45.56 THB
100 OP 455.62 THB
1,000 OP 4,556.25 THB
10,000 OP 45,562.46 THB
50,000 OP 227,812.31 THB
100,000 OP 455,624.63 THB
THB to OP
THB OP
1 THB 0.2195 OP
10 THB 2.19478919 OP
100 THB 21.94789186 OP
1,000 THB 219.47891860 OP
10,000 THB 2,194.78918600 OP
50,000 THB 10,973.94593000 OP
100,000 THB 21,947.89186000 OP

Get OP→THB rates via API

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

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Questions about OP to THB

How much is 1 OP in THB?

1 Optimism is 4.55625 Thai baht at the mid-market rate of 4 October 2026, 05:51 UTC, and 1 THB is 0.219479 OP.

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

Over the last 52 weeks 1 OP ranged from 2.72169 to 24.6042 THB, 6.42943 THB on average.

Which exchange rate is this?

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