1. Currency converter
  2. OP to USDT

Optimism (OP) to Tether (USDT)

Convert Optimism to Tethers at the live mid-market rate. Reverse: USDT to OP

1 Optimism =

0.1339 USDT −1.78% today

1 OP = 0.133935 USDT · 1 USDT = 7.46632 OP

Mid-market rate, updated 08:44 UTC. Paid plans update as often as every 60 seconds. Get OP→USDT rates via API

OP to USDT over the last year

0.200.400.600.80Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.75812
52-week low
0.08208
52-week average
0.19929
Change over the year
−81.50%

Conversion tables

OP to USDT
OP USDT
1 OP 0.1339 USDT
10 OP 1.34 USDT
100 OP 13.39 USDT
1,000 OP 133.93 USDT
10,000 OP 1,339.35 USDT
50,000 OP 6,696.74 USDT
100,000 OP 13,393.48 USDT
USDT to OP
USDT OP
1 USDT 7.46631936 OP
10 USDT 74.66319360 OP
100 USDT 746.63193597 OP
1,000 USDT 7,466.31935970 OP
10,000 USDT 74,663.19359700 OP
50,000 USDT 373,315.96798500 OP
100,000 USDT 746,631.93597000 OP

Get OP→USDT rates via API

The live rate, the rate on any past day or a whole range, for USDT and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=OP -d currencies=USDT \
  -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=USDT \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

Related conversions

Popular Optimism conversions

Popular Tether conversions

Questions about OP to USDT

How much is 1 OP in USDT?

1 Optimism is 0.133935 Tethers at the mid-market rate of 4 October 2026, 08:44 UTC, and 1 USDT is 7.46632 OP.

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

Over the last 52 weeks 1 OP ranged from 0.0820808 to 0.758117 USDT, 0.199286 USDT on average.

Which exchange rate is this?

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