Ethereum (ETH Optimism) → Tether (USDT Arbitrum)

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 ETH Optimism → USDT Arbitrum 1 ETH Optimism = 2,673.91 USDT Arbitrum 1 USDT Arbitrum = 0.000373984 ETH Optimism

Rate as of Oct 1, 2026 00:15

Orders from: 0.037454 ETH Optimism ≈ $100.28
Payout network: Arbitrum One
24 hours: −0.62%

You send

ETH Optimism

You get 2,673.91

USDT Arbitrum

Create the order

Rate: 1 ETH Optimism = 2,673.91 USDT Arbitrum
From: 0.037454 ETH Optimism
Up to: 3,730 ETH Optimism

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

The direction is holding at 2,673.91 USDT Arbitrum per 1 ETH Optimism (0.000373984 ETH Optimism per 1 USDT Arbitrum). Over 24 hours ETH Optimism/USDT Arbitrum came in at minus 0.62%. Over the week, plus 0.57%.

The weekly range ran from 2,640.85 to 2,732.17 USDT Arbitrum, a spread of 3.46%. One order takes from 0.037454 to 3,730 ETH Optimism. In dollars that is roughly $100.28.

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

Which network USDT arrives in

The same USDT 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 ETH Optimism	From	Network fee	Speed
Ethereum (ERC20)	2,673.91	0.0374734 ETH Optimism	≈ $0.048	medium
TRON (TRC20)	2,673.91	0.0374734 ETH Optimism	≈ $2.3	fast
BNB Smart Chain (BEP20)	2,673.91	0.0374734 ETH Optimism	≈ $0.0025	fast
Solana	2,673.91	0.0374734 ETH Optimism	≈ $0.00059	fast
Arbitrum One open	2,673.91	0.037454 ETH Optimism	≈ $0.0036	fast
Avalanche C-Chain	2,673.91	0.037454 ETH Optimism	≈ $0.0036	fast
NEAR	2,673.91	0.037454 ETH Optimism	—	—
Optimism	2,673.91	0.037454 ETH Optimism	≈ $0.00019	fast

ETH Optimism → USDT: all networks side by side Network charges for USDT

Rate and amounts for ETH Optimism → USDT Arbitrum

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

ETH Optimism	USDT Arbitrum
0.05	133.6957
0.2	534.7827
0.5	1,336.96
2	5,347.83
5	13,369.57
20	53,478.27

USDT Arbitrum	ETH Optimism
200	0.0747967
1,000	0.373984
2,000	0.747967
10,000	3.7398
20,000	7.4797
100,000	37.3984

How the ETH Optimism → USDT Arbitrum exchange runs

Work out the amount in the calculator — orders start at 0.037454 ETH Optimism.
Give a USDT address on Arbitrum One and a contact for the order.
Send ETH Optimism on Optimism, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends Tether to your address. The order page shows the status.

Swap ETH Optimism for USDT Arbitrum

Check this before sending ETH Optimism

The address network is Arbitrum One. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 0.037454 ETH Optimism.
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 ETH Optimism to USDT Arbitrum rate has moved

WeekMonthQuarterYear

high 2,732.17 USDT Arbitrumlow 2,640.85 USDT Arbitrum

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

high 2,775.75 USDT Arbitrumlow 2,391.53 USDT Arbitrum

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

high 2,775.75 USDT Arbitrumlow 1,609.74 USDT Arbitrum

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

high 4,689.34 USDT Arbitrumlow 1,567.88 USDT Arbitrum

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

24 hours: −0.62%
Week: +0.57%
Weekly high: 2,732.17 USDT Arbitrum
Weekly low: 2,640.85 USDT Arbitrum
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 ETH Optimism/USDT Arbitrum spread by period

Period	High	Low	Middle	Period result
24 hours	2,708.96	2,671.31	2,682.06	−0.62%
Week	2,732.17	2,640.85	2,685.02	+0.57%
Month	2,775.75	2,391.53	2,550.92	+11.37%
Quarter	2,775.75	1,609.74	2,163.35	+67.19%

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

Daily ETH Optimism → USDT Arbitrum rate

Day	Close	Against the day before
Sep 30, 2026	2,691.28 USDT Arbitrum	+0.09%
Sep 29, 2026	2,688.79 USDT Arbitrum	+0.02%
Sep 28, 2026	2,688.19 USDT Arbitrum	−0.29%
Sep 27, 2026	2,696.05 USDT Arbitrum	+0.18%
Sep 26, 2026	2,691.31 USDT Arbitrum	+0.13%
Sep 25, 2026	2,687.95 USDT Arbitrum	+0.12%
Sep 24, 2026	2,684.81 USDT Arbitrum	−2.48%

Market data: ETH and USDT

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

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

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

Ethereum and Tether: how they differ

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

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

Why people take the ETH Optimism → USDT Arbitrum route

Stepping out of the swingsETH moved +11.34% over the past month. USDT tracks the dollar, so after the swap the amount stops following ETH.
It works both waysThe USDT Arbitrum → ETH Optimism direction is open as well — going back into ETH takes the same route and the same automation.

Common questions: ETH Optimism → USDT Arbitrum

What rate does ETH Optimism to USDT Arbitrum run at?

As of Oct 1, 2026 00:15 it is 1 ETH Optimism = 2,673.91 USDT Arbitrum. The figure updates on its own, and the calculator always shows the current one. On the market that is around $2,673.18.

What amounts does ETH Optimism → USDT Arbitrum accept?

From 0.037454 to 3,730 ETH Optimism per order. The floor is roughly $100.28.

Why can I not swap less than 0.037454 ETH Optimism?

The network fee and the handling do not depend on the amount. On a transfer below 0.037454 ETH Optimism 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 ETH Optimism, and the blockchain takes that one.

How long does swapping ETH Optimism for USDT Arbitrum take?

The clock starts with confirmations: as soon as Optimism 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. A block in Optimism closes in about 12 sec.

Which network will USDT Arbitrum arrive in?

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

Which network is cheaper for receiving USDT?

Usually USDT BEP20, USDT SOL, USDT Arbitrum, USDT AVAX C, USDT 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 ETH Optimism to USDT Arbitrum rate do over the month?

Over the month, plus 11.37%: a low of 2,391.53, a high of 2,775.75, an average of 2,550.92 USDT Arbitrum per 1 ETH Optimism.

Can I swap back, USDT Arbitrum for ETH Optimism?

Yes, the reverse is open too: 1 USDT Arbitrum = 0.000373976 ETH Optimism. The link to switch sits under the calculator.