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Netherlands Antillean Guilder (ANG) to Optimism (OP)

Convert Netherlands Antillean guilders to Optimism at the live mid-market rate. Reverse: OP to ANG

The Netherlands Antillean Guilder is no longer in use

Netherlands Antillean Guilder (ANG) was replaced by the Caribbean Guilder (XCG) in 2025. For today’s money, convert XCG to OP.

1 Netherlands Antillean Guilder =

4.12778077 OP +0.81% today

1 ANG = 4.12778 OP · 1 OP = 0.242261 ANG

Mid-market rate, updated 06:17 UTC. Paid plans update as often as every 60 seconds. Get ANG→OP rates via API

ANG to OP over the last year

2.004.006.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
6.8067
52-week low
0.7382
52-week average
3.8505
Change over the year
+434.37%

Conversion tables

ANG to OP
ANG OP
1 ANG 4.12778077 OP
10 ANG 41.27780770 OP
100 ANG 412.77807701 OP
1,000 ANG 4,127.78077010 OP
10,000 ANG 41,277.80770100 OP
50,000 ANG 206,389.03850500 OP
100,000 ANG 412,778.07701000 OP
OP to ANG
OP ANG
1 OP 0.2423 ANG
10 OP 2.42 ANG
100 OP 24.23 ANG
1,000 OP 242.26 ANG
10,000 OP 2,422.61 ANG
50,000 OP 12,113.05 ANG
100,000 OP 24,226.09 ANG

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

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Questions about ANG to OP

How much is 1 ANG in OP?

1 Netherlands Antillean Guilder is 4.12778 Optimism at the mid-market rate of 4 October 2026, 06:17 UTC, and 1 OP is 0.242261 ANG.

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

Over the last 52 weeks 1 ANG ranged from 0.738153 to 6.8067 OP, 3.8505 OP on average.

Which exchange rate is this?

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