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  2. GNF to OP

Guinean Franc (GNF) to Optimism (OP)

Convert Guinean francs to Optimism at the live mid-market rate. Reverse: OP to GNF

1 Guinean Franc =

0.0008398 OP +1.44% today

1 GNF = 0.00083977 OP · 1 OP = 1,190.80 GNF

Mid-market rate, updated 07:50 UTC. Paid plans update as often as every 60 seconds. Get GNF→OP rates via API

GNF to OP over the last year

0.00050.001Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00137939
52-week low
0.00015172
52-week average
0.00078302
Change over the year
+428.92%

Conversion tables

GNF to OP
GNF OP
1 GNF 0.0008398 OP
10 GNF 0.008398 OP
100 GNF 0.08398 OP
1,000 GNF 0.8398 OP
10,000 GNF 8.39773600 OP
50,000 GNF 41.98868000 OP
100,000 GNF 83.97736000 OP
OP to GNF
OP GNF
1 OP 1,191 GNF
10 OP 11,908 GNF
100 OP 119,080 GNF
1,000 OP 1,190,797 GNF
10,000 OP 11,907,971 GNF
50,000 OP 59,539,854 GNF
100,000 OP 119,079,709 GNF

Get GNF→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=GNF -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=GNF -d currencies=OP \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about GNF to OP

How much is 1 GNF in OP?

1 Guinean Franc is 0.00083977 Optimism at the mid-market rate of 4 October 2026, 07:50 UTC, and 1 OP is 1,190.80 GNF.

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

Over the last 52 weeks 1 GNF ranged from 0.00015172 to 0.00137939 OP, 0.00078302 OP on average.

Which exchange rate is this?

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