Ethereum (ETH BASE) → Tether (USDT Optimism)

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 BASE → USDT Optimism 1 ETH BASE = 2,698.71 USDT Optimism 1 USDT Optimism = 0.000370547 ETH BASE

Rate as of Sep 30, 2026 17:25

Orders from: 0.0374734 ETH BASE ≈ $100.97
Payout network: Optimism
24 hours: −1.42%

You send

ETH BASE

You get 2,698.71

USDT Optimism

Create the order

Rate: 1 ETH BASE = 2,698.71 USDT Optimism
From: 0.0374734 ETH BASE
Up to: 3,710 ETH BASE

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

Current maths: 2,698.71 USDT Optimism for every ETH BASE, and 0.000370547 ETH BASE per USDT Optimism in reverse. Over 24 hours ETH BASE/USDT Optimism came in at minus 1.42%. Over the week, minus 1.8%.

The weekly range ran from 2,648.82 to 2,738.15 USDT Optimism, a spread of 3.37%. One order takes from 0.0374734 to 3,710 ETH BASE. In dollars that is roughly $100.97.

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 Ethereum at No. 2 ($328.98 B) and Tether at No. 3 ($183.8 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 BASE	From	Network fee	Speed
Ethereum (ERC20)	2,698.71	0.0374734 ETH BASE	≈ $0.036	medium
TRON (TRC20)	2,698.71	0.0374734 ETH BASE	≈ $2.3	fast
BNB Smart Chain (BEP20)	2,698.71	0.0374734 ETH BASE	≈ $0.0025	fast
Solana	2,698.71	0.0374734 ETH BASE	≈ $0.0006	fast
Arbitrum One	2,698.71	0.0374734 ETH BASE	≈ $0.0036	fast
Avalanche C-Chain	2,698.71	0.0374734 ETH BASE	≈ $0.0038	fast
NEAR	2,698.71	0.0374734 ETH BASE	—	—
Optimism open	2,698.71	0.0374734 ETH BASE	≈ $0.00019	fast

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

Rate and amounts for ETH BASE → USDT Optimism

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

ETH BASE	USDT Optimism
0.05	134.9357
0.2	539.7426
0.5	1,349.36
2	5,397.43
5	13,493.57
20	53,974.26

USDT Optimism	ETH BASE
200	0.0741094
1,000	0.370547
2,000	0.741094
10,000	3.7055
20,000	7.4109
100,000	37.0547

How the ETH BASE → USDT Optimism exchange runs

Work out the amount in the calculator — orders start at 0.0374734 ETH BASE.
Give a USDT address on Optimism and a contact for the order.
Send ETH BASE on BASE, 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 BASE for USDT Optimism

Check this before sending ETH BASE

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 0.0374734 ETH BASE.
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 BASE to USDT Optimism rate has moved

WeekMonthQuarterYear

high 2,738.15 USDT Optimismlow 2,648.82 USDT Optimism

Sep 23, 2026 17:25Sep 30, 2026 17:25

high 2,775.75 USDT Optimismlow 2,391.53 USDT Optimism

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

high 2,775.75 USDT Optimismlow 1,609.74 USDT Optimism

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

high 4,689.34 USDT Optimismlow 1,567.88 USDT Optimism

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

24 hours: −1.42%
Week: −1.8%
Weekly high: 2,738.15 USDT Optimism
Weekly low: 2,648.82 USDT Optimism
Spread: 3.37%

Market data from CoinGecko as of Sep 30, 2026 16:57. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The ETH BASE/USDT Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	2,736.7	2,662.66	2,687.98	−1.42%
Week	2,738.15	2,648.82	2,685.38	−1.8%
Month	2,775.75	2,391.53	2,550.91	+11.36%
Quarter	2,775.75	1,609.74	2,163.35	+67.17%

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

Daily ETH BASE → USDT Optimism rate

Day	Close	Against the day before
Sep 30, 2026	2,691.08 USDT Optimism	+0.09%
Sep 29, 2026	2,688.79 USDT Optimism	+0.02%
Sep 28, 2026	2,688.19 USDT Optimism	−0.29%
Sep 27, 2026	2,696.05 USDT Optimism	+0.18%
Sep 26, 2026	2,691.31 USDT Optimism	+0.13%
Sep 25, 2026	2,687.95 USDT Optimism	+0.12%
Sep 24, 2026	2,684.81 USDT Optimism	−2.48%

Market data: ETH and USDT

Ethereum ETH

Price: $2,694.51
24 hours: −1.44%
Week: −1.42%
Market cap: $328.98 B
24-hour turnover: $13.26 B
Rank by cap: #2
In circulation: 122.09 M ETH
All-time high: $4,946.05

Tether USDT

Price: $0.999612
24 hours: −0.02%
Week: −0.02%
Market cap: $183.8 B
24-hour turnover: $56.31 B
Rank by cap: #3
In circulation: 183.87 B USDT
All-time high: $1.32

Source: CoinGecko, Sep 30, 2026 16:57.

Ethereum and Tether: how they differ

	Ethereum (ETH)	Tether (USDT)
Ticker	ETH	USDT
Type	coin of its own network	token
Network	BASE	Optimism
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	$328.98 B	$183.8 B
Rank by cap	#2	#3
Fees are paid in	—	ETH

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

Why people take the ETH BASE → USDT Optimism 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 Optimism → ETH BASE direction is open as well — going back into ETH takes the same route and the same automation.

Common questions: ETH BASE → USDT Optimism

What rate does ETH BASE to USDT Optimism run at?

As of Sep 30, 2026 17:25 it is 1 ETH BASE = 2,698.71 USDT Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $2,697.67.

What amounts does ETH BASE → USDT Optimism accept?

From 0.0374734 to 3,710 ETH BASE per order. The floor is roughly $100.97.

Why can I not swap less than 0.0374734 ETH BASE?

The network fee and the handling do not depend on the amount. On a transfer below 0.0374734 ETH BASE 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 BASE, and the blockchain takes that one.

How long does swapping ETH BASE for USDT Optimism take?

The clock starts with confirmations: as soon as BASE 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 BASE closes in about 12 sec.

Which network will USDT Optimism arrive in?

The payout goes out on Optimism. 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 BASE to USDT Optimism rate do over the month?

Over the month, plus 11.36%: a low of 2,391.53, a high of 2,775.75, an average of 2,550.91 USDT Optimism per 1 ETH BASE.

Can I swap back, USDT Optimism for ETH BASE?

Yes, the reverse is open too: 1 USDT Optimism = 0.00037054 ETH BASE. The link to switch sits under the calculator.