Optimism (OP 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 OP Optimism → USDT Arbitrum 1 OP Optimism = 0.129999 USDT Arbitrum 1 USDT Arbitrum = 7.6924 OP Optimism

Rate as of Sep 30, 2026 07:30

Orders from: 772.0092 OP Optimism ≈ $100.57
Payout network: Arbitrum One
24 hours: +0.93%

You send

OP Optimism

You get 1,299.99

USDT Arbitrum

Create the order

Rate: 1 OP Optimism = 0.129999 USDT Arbitrum
From: 772.0092 OP Optimism
Up to: 76,800,000 OP Optimism

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

The direction is holding at 0.129999 USDT Arbitrum per 1 OP Optimism (7.6924 OP Optimism per 1 USDT Arbitrum). Over 24 hours OP Optimism/USDT Arbitrum came in at plus 0.93%. Over the week, minus 2.8%.

The weekly range ran from 0.121672 to 0.149923 USDT Arbitrum, a spread of 23.22%. One order takes from 772.0092 to 76,800,000 OP Optimism. In dollars that is roughly $100.57.

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 Optimism at No. 152 ($299.65 M) and Tether at No. 3 ($183.81 B). Over 90 days the daily moves of OP and USDT correlate at -0.02 (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 OP Optimism	From	Network fee	Speed
Arbitrum One open	0.129999	772.0092 OP Optimism	≈ $0.0035	fast
Avalanche C-Chain	0.129999	772.0092 OP Optimism	≈ $0.0037	fast
NEAR	0.129999	772.0092 OP Optimism	—	—
Optimism	0.129999	772.0092 OP Optimism	≈ $0.00018	fast
Ethereum (ERC20)	0.129999	772.0092 OP Optimism	≈ $0.017	medium
TRON (TRC20)	0.129999	772.0092 OP Optimism	≈ $2.3	fast
BNB Smart Chain (BEP20)	0.129999	772.0092 OP Optimism	≈ $0.0025	fast
Solana	0.129999	772.0092 OP Optimism	≈ $0.0006	fast

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

Rate and amounts for OP Optimism → USDT Arbitrum

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

OP Optimism	USDT Arbitrum
1,000	129.9987
5,000	649.9935
10,000	1,299.99
50,000	6,499.93
100,000	12,999.87
500,000	64,999.35

USDT Arbitrum	OP Optimism
200	1,538.48
1,000	7,692.38
2,000	15,384.77
10,000	76,923.85
20,000	153,847.69
100,000	769,238.46

How the OP Optimism → USDT Arbitrum exchange runs

Work out the amount in the calculator — orders start at 772.0092 OP Optimism.
Give a USDT address on Arbitrum One and a contact for the order.
Send OP 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 OP Optimism for USDT Arbitrum

Check this before sending OP Optimism

The address network is Arbitrum One. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 772.0092 OP 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 OP Optimism to USDT Arbitrum rate has moved

WeekMonthQuarterYear

high 0.149923 USDT Arbitrumlow 0.121672 USDT Arbitrum

Sep 23, 2026 07:34Sep 30, 2026 07:34

high 0.149215 USDT Arbitrumlow 0.0864459 USDT Arbitrum

Aug 30, 2026 05:00Sep 29, 2026 05:00

high 0.149215 USDT Arbitrumlow 0.082065 USDT Arbitrum

Jul 1, 2026 05:00Sep 29, 2026 05:00

high 0.759965 USDT Arbitrumlow 0.082065 USDT Arbitrum

Oct 1, 2025 05:00Sep 29, 2026 05:00

24 hours: +0.93%
Week: −2.8%
Weekly high: 0.149923 USDT Arbitrum
Weekly low: 0.121672 USDT Arbitrum
Spread: 23.22%

Market data from CoinGecko as of Sep 30, 2026 07:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The OP Optimism/USDT Arbitrum spread by period

Period	High	Low	Middle	Period result
24 hours	0.134827	0.128723	0.130946	+0.93%
Week	0.149923	0.121672	0.136394	−2.8%
Month	0.149215	0.0864459	0.110373	+46.09%
Quarter	0.149215	0.082065	0.100145	+34.4%

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

Daily OP Optimism → USDT Arbitrum rate

Day	Close	Against the day before
Sep 29, 2026	0.129572 USDT Arbitrum	−13.16%
Sep 28, 2026	0.149215 USDT Arbitrum	+3.72%
Sep 27, 2026	0.143857 USDT Arbitrum	−1.78%
Sep 26, 2026	0.146458 USDT Arbitrum	+11.43%
Sep 25, 2026	0.13143 USDT Arbitrum	+6.91%
Sep 24, 2026	0.122939 USDT Arbitrum	−8.99%
Sep 23, 2026	0.135084 USDT Arbitrum	+6%

Market data: OP and USDT

Optimism OP

Price: $0.130264
24 hours: +0.92%
Week: −2.59%
Market cap: $299.65 M
24-hour turnover: $88.12 M
Rank by cap: #152
In circulation: 2.3 B OP
All-time high: $4.84

Tether USDT

Price: $0.999665
24 hours: −0.01%
Week: −0.03%
Market cap: $183.81 B
24-hour turnover: $58.91 B
Rank by cap: #3
In circulation: 183.87 B USDT
All-time high: $1.32

Source: CoinGecko, Sep 30, 2026 07:27.

Optimism and Tether: how they differ

	Optimism (OP)	Tether (USDT)
Ticker	OP	USDT
Network	Optimism	Arbitrum One
Fees are paid in	ETH	ETH
In circulation	2.3 B OP	183.87 B USDT
Market cap	$299.65 M	$183.81 B
Rank by cap	#152	#3
Type	—	token
Launched	—	2014
Built by	—	Tether Limited
Supply cap	—	no cap

Daily moves of OP and USDT over the quarter link at -0.02 (they travel apart).

Why people take the OP Optimism → USDT Arbitrum route

Stepping out of the swingsOP moved +46.04% over the past month. USDT tracks the dollar, so after the swap the amount stops following OP.
It works both waysThe USDT Arbitrum → OP Optimism direction is open as well — going back into OP takes the same route and the same automation.

Common questions: OP Optimism → USDT Arbitrum

What rate does OP Optimism to USDT Arbitrum run at?

As of Sep 30, 2026 07:30 it is 1 OP Optimism = 0.129999 USDT Arbitrum. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.129955.

What amounts does OP Optimism → USDT Arbitrum accept?

From 772.0092 to 76,800,000 OP Optimism per order. The floor is roughly $100.57.

Why can I not swap less than 772.0092 OP Optimism?

The network fee and the handling do not depend on the amount. On a transfer below 772.0092 OP 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 OP Optimism, and the blockchain takes that one.

How long does swapping OP 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.

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

Over the month, plus 46.09%: a low of 0.0864459, a high of 0.149215, an average of 0.110373 USDT Arbitrum per 1 OP Optimism.

Can I swap back, USDT Arbitrum for OP Optimism?

Yes, the reverse is open too: 1 USDT Arbitrum = 7.6922 OP Optimism. The link to switch sits under the calculator.