Tether (USDT Arbitrum) → Ethereum (ETH Optimism)

Q: What rate does USDT Arbitrum to ETH Optimism run at?

As of Oct 1, 2026 00:15 it is 1 USDT Arbitrum = 0.000373976 ETH Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $1.00.

Q: What amounts does USDT Arbitrum → ETH Optimism accept?

From 100.67 to 10,000,000 USDT Arbitrum per order. The floor is roughly $100.64.

Q: Why can I not swap less than 100.67 USDT Arbitrum?

The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDT Arbitrum they eat a noticeable share of it, and the swap stops making sense for either side.

Q: Is anything charged on top of the rate?

No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending USDT Arbitrum, and the blockchain takes that one.

Q: How long does swapping USDT Arbitrum for ETH Optimism take?

The clock starts with confirmations: as soon as Arbitrum One confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant.

Q: Which network will ETH Optimism arrive in?

The payout goes out on Optimism. Check that the receiving wallet supports that network.

Q: Which network is cheaper for receiving ETH?

Usually ETH BEP20, ETH Arbitrum, ETH Optimism works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.

Q: What happens if the rate moves while I am paying?

Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.

Q: What did the USDT Arbitrum to ETH Optimism rate do over the month?

Over the month, minus 10.21%: a low of 0.000360264, a high of 0.000418142, an average of 0.000392817 ETH Optimism per 1 USDT Arbitrum.

Q: Can I swap back, ETH Optimism for USDT Arbitrum?

Yes, the reverse is open too: 1 ETH Optimism = 2,673.91 USDT Arbitrum. The link to switch sits under the calculator.

The order runs on autopilot: the rate is locked when you create it, and the payout leaves as soon as the network confirms your transfer. No manual approval, no working hours.

Rate and amounts for USDT Arbitrum → ETH Optimism 1 USDT Arbitrum = 0.000373976 ETH Optimism 1 ETH Optimism = 2,673.97 USDT Arbitrum

Rate as of Oct 1, 2026 00:15

Orders from: 100.67 USDT Arbitrum ≈ $100.64
Payout network: Optimism
24 hours: +0.63%

You send

USDT Arbitrum

You get 0.747952

ETH Optimism

Create the order

Rate: 1 USDT Arbitrum = 0.000373976 ETH Optimism
From: 100.67 USDT Arbitrum
Up to: 10,000,000 USDT Arbitrum

Preliminary figure: the final amount is locked in the order.

The direction is holding at 0.000373976 ETH Optimism per 1 USDT Arbitrum (2,673.97 USDT Arbitrum per 1 ETH Optimism). Over 24 hours USDT Arbitrum/ETH Optimism came in at plus 0.63%. Over the week, minus 0.57%.

The weekly range ran from 0.000366009 to 0.000378666 ETH Optimism, a spread of 3.46%. One order takes from 100.67 to 10,000,000 USDT Arbitrum. In dollars that is roughly $100.64.

The robot sends the payout in the Optimism network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts Tether at No. 3 ($183.82 B) and Ethereum at No. 2 ($326.89 B). Over 90 days the daily moves of USDT and ETH correlate at 0.15 (they travel apart).

Which network ETH arrives in

The same ETH goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

Network	Per 1 USDT Arbitrum	From	Network fee	Speed
Ethereum	0.000373976	100.67 USDT Arbitrum	≈ $0.015	—
BNB Smart Chain (BEP20)	0.000373976	100.67 USDT Arbitrum	≈ $0.0025	fast
Arbitrum One	0.000373976	100.67 USDT Arbitrum	≈ $0.0012	fast
BASE	0.000373976	100.67 USDT Arbitrum	—	—
Optimism open	0.000373976	100.67 USDT Arbitrum	≈ < $0.0001	fast

Rate and amounts for USDT Arbitrum → ETH Optimism

Send USDT Arbitrum — receive ETH OptimismNeed ETH Optimism — send this much USDT Arbitrum

USDT Arbitrum	ETH Optimism
200	0.0747952
1,000	0.373976
2,000	0.747952
10,000	3.7398
20,000	7.4795
100,000	37.3976

ETH Optimism	USDT Arbitrum
0.05	133.6983
0.2	534.7933
0.5	1,336.98
2	5,347.93
5	13,369.83
20	53,479.33

How the USDT Arbitrum → ETH Optimism exchange runs

Work out the amount in the calculator — orders start at 100.67 USDT Arbitrum.
Give a ETH address on Optimism and a contact for the order.
Send USDT Arbitrum on Arbitrum One, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends Ethereum to your address. The order page shows the status.

Swap USDT Arbitrum for ETH Optimism

Check this before sending USDT Arbitrum

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 100.67 USDT Arbitrum.
Copy the address in full, then check its first and last characters once it is pasted.
Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the USDT Arbitrum to ETH Optimism rate has moved

WeekMonthQuarterYear

high 0.000378666 ETH Optimismlow 0.000366009 ETH Optimism

Sep 24, 2026 00:17Oct 1, 2026 00:17

high 0.000418142 ETH Optimismlow 0.000360264 ETH Optimism

Aug 31, 2026 05:00Sep 30, 2026 05:00

high 0.000621216 ETH Optimismlow 0.000360264 ETH Optimism

Jul 2, 2026 05:00Sep 30, 2026 05:00

high 0.000637806 ETH Optimismlow 0.00021325 ETH Optimism

Oct 1, 2025 05:00Sep 30, 2026 05:00

24 hours: +0.63%
Week: −0.57%
Weekly high: 0.000378666 ETH Optimism
Weekly low: 0.000366009 ETH Optimism
Spread: 3.46%

Market data from CoinGecko as of Sep 30, 2026 23:57. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The USDT Arbitrum/ETH Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	0.000374349	0.000369145	0.000372854	+0.63%
Week	0.000378666	0.000366009	0.000372453	−0.57%
Month	0.000418142	0.000360264	0.000392817	−10.21%
Quarter	0.000621216	0.000360264	0.000473913	−40.19%

Figures are in ETH Optimism per unit of the currency you send, taken from market data.

Daily USDT Arbitrum → ETH Optimism rate

Day	Close	Against the day before
Sep 30, 2026	0.000371571 ETH Optimism	−0.09%
Sep 29, 2026	0.000371915 ETH Optimism	−0.02%
Sep 28, 2026	0.000371997 ETH Optimism	+0.29%
Sep 27, 2026	0.000370913 ETH Optimism	−0.18%
Sep 26, 2026	0.000371566 ETH Optimism	−0.12%
Sep 25, 2026	0.000372031 ETH Optimism	−0.12%
Sep 24, 2026	0.000372466 ETH Optimism	+2.54%

Market data: USDT and ETH

Tether USDT

Price: $0.999726
24 hours: 0%
Week: −0.01%
Market cap: $183.82 B
24-hour turnover: $63.04 B
Rank by cap: #3
In circulation: 183.87 B USDT
All-time high: $1.32

Ethereum ETH

Price: $2,677.39
24 hours: −0.62%
Week: +0.72%
Market cap: $326.89 B
24-hour turnover: $13.95 B
Rank by cap: #2
In circulation: 122.09 M ETH
All-time high: $4,946.05

Source: CoinGecko, Sep 30, 2026 23:57.

Tether and Ethereum: how they differ

	Tether (USDT)	Ethereum (ETH)
Ticker	USDT	ETH
Type	token	coin of its own network
Network	Arbitrum One	Optimism
Fees are paid in	ETH	ETH
Launched	2014	2015
Built by	Tether Limited	Vitalik Buterin
Supply cap	no cap	no cap
In circulation	183.87 B USDT	122.09 M ETH
Market cap	$183.82 B	$326.89 B
Rank by cap	#3	#2
Consensus	—	Proof of Stake
Block	—	~12 sec
Privacy	—	transfers are public

Daily moves of USDT and ETH over the quarter link at 0.15 (they travel apart).

Why people take the USDT Arbitrum → ETH Optimism route

Entering ETH from dollarsUSDT goes into Ethereum in one step, with no coin in between: over the last month ETH posted +11.34%.
Fuel for OptimismWithout Ethereum you cannot pay for a transfer or a contract call in Optimism — the coin is needed for anything that happens in that ecosystem.
Different basketsDaily moves of USDT and ETH over 90 days link at 0.15 (they travel apart) — the weaker the link, the less a portfolio rests on one coin.

Common questions: USDT Arbitrum → ETH Optimism

What rate does USDT Arbitrum to ETH Optimism run at?

As of Oct 1, 2026 00:15 it is 1 USDT Arbitrum = 0.000373976 ETH Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $1.00.

What amounts does USDT Arbitrum → ETH Optimism accept?

From 100.67 to 10,000,000 USDT Arbitrum per order. The floor is roughly $100.64.

Why can I not swap less than 100.67 USDT Arbitrum?

The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDT Arbitrum they eat a noticeable share of it, and the swap stops making sense for either side.

Is anything charged on top of the rate?

No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending USDT Arbitrum, and the blockchain takes that one.

How long does swapping USDT Arbitrum for ETH Optimism take?

The clock starts with confirmations: as soon as Arbitrum One confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant.

Which network will ETH Optimism arrive in?

The payout goes out on Optimism. Check that the receiving wallet supports that network.

Which network is cheaper for receiving ETH?

Usually ETH BEP20, ETH Arbitrum, ETH Optimism works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.

What happens if the rate moves while I am paying?

Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.

What did the USDT Arbitrum to ETH Optimism rate do over the month?