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  2. BGN to OP

Bulgarian Lev (BGN) to Optimism (OP)

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

1 Bulgarian Lev =

4.44752376 OP +1.14% today

1 BGN = 4.44752 OP · 1 OP = 0.224844 BGN

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

BGN to OP over the last year

2.004.006.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
7.3095
52-week low
0.7902
52-week average
4.1315
Change over the year
+436.74%

Conversion tables

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
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

Get BGN→OP rates via API

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

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=BGN -d currencies=OP \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about BGN to OP

How much is 1 BGN in OP?

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

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

Over the last 52 weeks 1 BGN ranged from 0.790167 to 7.30953 OP, 4.13151 OP on average.

Which exchange rate is this?

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