Convert 1 Optimism (OP) to Bulgarian Lev (BGN)

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

Amount

From

1 Optimism =

0.2208 BGN −2.91% today

1 OP = 0.220805 BGN · 1 BGN = 4.52889 OP

Mid-market rate, updated 14:10 UTC. Paid plans update as often as every 60 seconds. Get OP→BGN rates via API

OP to BGN over the last year

52-week high: 1.26555
52-week low: 0.13681
52-week average: 0.33352
Change over the year: −81.70%

Conversion tables

OP to BGN
OP	BGN
1 OP	0.2208 BGN
10 OP	2.21 BGN
100 OP	22.08 BGN
1,000 OP	220.80 BGN
10,000 OP	2,208.05 BGN
50,000 OP	11,040.24 BGN
100,000 OP	22,080.48 BGN

BGN to OP
BGN	OP
1 BGN	4.52888697 OP
10 BGN	45.28886965 OP
100 BGN	452.88869651 OP
1,000 BGN	4,528.88696510 OP
10,000 BGN	45,288.86965100 OP
50,000 BGN	226,444.34825500 OP
100,000 BGN	452,888.69651000 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 0.2208 Bulgarian leva at the mid-market rate of 4 October 2026, 14:10 UTC, when 1 OP = 0.220805 BGN.

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, 0.333518 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.