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  2. OP to BGN

Optimism (OP) to Bulgarian Lev (BGN)

Convert Optimism to Bulgarian leva at the live mid-market rate. Reverse: BGN to OP

1 Optimism =

0.2248 BGN −1.13% today

1 OP = 0.224844 BGN · 1 BGN = 4.44752 OP

Mid-market rate, updated 06:50 UTC. Paid plans update as often as every 60 seconds. Get OP→BGN rates via API

OP to BGN over the last year

0.501.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
1.26555
52-week low
0.13681
52-week average
0.33353
Change over the year
−81.37%

Conversion tables

OP to BGN
OP BGN
1 OP 0.2248 BGN
10 OP 2.25 BGN
100 OP 22.48 BGN
1,000 OP 224.84 BGN
10,000 OP 2,248.44 BGN
50,000 OP 11,242.21 BGN
100,000 OP 22,484.42 BGN
BGN to OP
BGN OP
1 BGN 4.44752376 OP
10 BGN 44.47523764 OP
100 BGN 444.75237641 OP
1,000 BGN 4,447.52376410 OP
10,000 BGN 44,475.23764100 OP
50,000 BGN 222,376.18820500 OP
100,000 BGN 444,752.37641000 OP

Get OP→BGN rates via API

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

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Questions about OP to BGN

How much is 1 OP in BGN?

1 Optimism is 0.224844 Bulgarian leva at the mid-market rate of 4 October 2026, 06:50 UTC, and 1 BGN is 4.44752 OP.

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

Over the last 52 weeks 1 OP ranged from 0.136808 to 1.26555 BGN, 0.333529 BGN on average.

Which exchange rate is this?

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