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  1. USDT: changing network from Arbitrum One to OP Mainnet (Optimism)

USDT: changing network from Arbitrum One to OP Mainnet (Optimism)

It is still USDT, only in a different blockchain: you send USDT Arbitrum, and the payout of USDT Optimism goes to your address in OP Mainnet (Optimism). Bridge contracts, signatures and wrapped tokens play no part.

Rate and amounts for USDT Arbitrum → USDT Optimism 1 USDT Arbitrum = 1.001 USDT Optimism 1 USDT Optimism = 0.999001 USDT Arbitrum

Rate as of Nov 1, 2026 07:29

Orders from
100.67 USDT Arbitrum ≈ $100.62
Payout network
Optimism
24 hours
0%
You get 2,002 USDT Optimism
Create the order
Rate
1 USDT Arbitrum = 1.001 USDT Optimism
From
100.67 USDT Arbitrum
Up to
10,000,000 USDT Arbitrum

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

Right now 1 USDT Arbitrum gets you 1.001 USDT Optimism; the other way round, 1 USDT Optimism is 0.999001 USDT Arbitrum. Over 24 hours USDT Arbitrum/USDT Optimism came in at about 0%. Over the week, about 0%.

The weekly range ran from 1 to 1 USDT Optimism, a spread of 0%. One order takes from 100.67 to 10,000,000 USDT Arbitrum. In dollars that is roughly $100.62.

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.

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.

NetworkPer 1 USDT ArbitrumFromNetwork feeSpeed
Ethereum (ERC20)1.001100.67 USDT Arbitrum≈ $0.0055medium
TRON (TRC20)1.001100.67 USDT Arbitrum≈ $2.1fast
BNB Smart Chain (BEP20)1.001100.67 USDT Arbitrum≈ $0.0023fast
Solana1.001100.67 USDT Arbitrum≈ $0.00048fast
Avalanche C-Chain1.001100.67 USDT Arbitrum≈ $0.0014fast
NEAR1.001100.67 USDT Arbitrum——
Optimism open1.001100.67 USDT Arbitrum≈ $0.00015fast

Network charges for USDT

Rate and amounts for USDT Arbitrum → USDT Optimism

USDT ArbitrumUSDT Optimism
200200.2
1,0001,001
2,0002,002
10,00010,010
20,00020,020
100,000100,100
USDT OptimismUSDT Arbitrum
200199.8002
1,000999.001
2,0001,998
10,0009,990.01
20,00019,980.02
100,00099,900.1

How the USDT Arbitrum → USDT Optimism exchange runs

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

Swap USDT Arbitrum for USDT 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.
  • Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon addresses look the same (0x…) — make sure the wallet is switched to OP Mainnet (Optimism).
  • Keep a reserve of ETH at the same address — without it USDT cannot be sent on later.
  • 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 USDT Optimism rate has moved

high 1 USDT Optimismlow 1 USDT Optimism
Oct 25, 2026 07:34Nov 1, 2026 07:34
high 1 USDT Optimismlow 1 USDT Optimism
Oct 1, 2026 05:00Oct 31, 2026 05:00
high 1 USDT Optimismlow 1 USDT Optimism
Aug 2, 2026 05:00Oct 31, 2026 05:00
high 1 USDT Optimismlow 1 USDT Optimism
Nov 1, 2025 05:00Oct 31, 2026 05:00
24 hours
0%
Week
0%
Weekly high
1 USDT Optimism
Weekly low
1 USDT Optimism
Spread
0%

Market data from CoinGecko as of Nov 1, 2026 07:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The USDT Arbitrum/USDT Optimism spread by period

PeriodHighLowMiddlePeriod result
24 hours1110%
Week1110%
Month1110%
Quarter1110%

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

Daily USDT Arbitrum → USDT Optimism rate

DayCloseAgainst the day before
Oct 31, 20261 USDT Optimism0%
Oct 30, 20261 USDT Optimism0%
Oct 29, 20261 USDT Optimism0%
Oct 28, 20261 USDT Optimism0%
Oct 27, 20261 USDT Optimism0%
Oct 26, 20261 USDT Optimism0%
Oct 25, 20261 USDT Optimism0%

How the Velorex rate moved: USDT Arbitrum → USDT Optimism day by day

DayVelorex rateMarket rate
Nov 1, 20261.001 USDT Optimism1
Oct 31, 20261.001 USDT Optimism1
Oct 30, 20261.001 USDT Optimism1
Oct 29, 20261.001 USDT Optimism1
Oct 28, 20261.001 USDT Optimism1
Oct 27, 20261.001 USDT Optimism1
Oct 26, 20261.001 USDT Optimism1
Oct 25, 20261.001 USDT Optimism1
Oct 24, 20261.001 USDT Optimism1
Oct 23, 20261.001 USDT Optimism1
Oct 22, 20261.001 USDT Optimism1
Oct 21, 20261.001 USDT Optimism1
Oct 20, 20261.001 USDT Optimism1
Oct 19, 20261.001 USDT Optimism1

Our own rate is recorded every hour, and the table keeps the last entry of the day. The column beside it is the ratio of the prices of the same two coins on CoinGecko at that same hour. How these numbers are counted

Market data: USDT

Tether USDT
Price
$0.999529
24 hours
+0.04%
Week
+0.04%
Market cap
$180.04 B
24-hour turnover
$25.77 B
Rank by cap
#3
In circulation
180.12 B USDT
All-time high
$1.32

Source: CoinGecko, Nov 1, 2026 07:27.

Compared: Arbitrum One and OP Mainnet (Optimism)

Arbitrum OneOP Mainnet (Optimism)
What kind of networkOptimistic rollup (L2)Optimistic rollup (L2)
What pays the feeETHETH
How expensive≈ $0.0029≈ $0.00015
How fastfastfast
Block time~0.25 sec~2 sec
Address format0x…0x…
Memo or tag needednot requirednot required
Ethereum-format address (0x…)yesyes
Withdrawal to Ethereum through the official bridge≈ 7 days — the challenge window runs≈ 7 days — the challenge window runs

The cost and speed marks are given against each other: both drift with the load on the network.

How an exchange differs from an ordinary bridge

VelorexOrdinary bridge
What arrives at the addressthe USDT token in the OP Mainnet (Optimism) networkIt varies: a number of networks hand out the bridged version of the token
Wallet connection and signaturesWe do without them: the payout goes to the address from the orderMandatory: the wallet is connected, contract transactions are signed
Is a OP Mainnet (Optimism) coin needed for feesNot required to receiveAs a rule yes, otherwise the funds cannot be claimed or moved on
When it arrivesAs soon as Arbitrum One gathers confirmations; the status is shown on the order pageSet by the bridge itself and by the load on both networks
Who holds the funds on the wayVelorex — until the order is closed by the payoutThe smart contract of the bridge or its validators

Arbitrum One → OP Mainnet (Optimism): the full list of directions The OP Mainnet (Optimism) blockchain

Why people take the USDT Arbitrum → USDT Optimism route

  • Changing networkUSDT from Arbitrum One (fee ≈ $0.0029) moves over to Optimism (fee ≈ $0.00015). That is how people top up a wallet or an exchange that takes one network only.
  • It works both waysThe USDT Optimism → USDT Arbitrum direction is open as well — going back into USDT takes the same route and the same automation.

Common questions: USDT Arbitrum → USDT Optimism

What rate does USDT Arbitrum to USDT Optimism run at?
As of Nov 1, 2026 07:29 it is 1 USDT Arbitrum = 1.001 USDT 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 → USDT Optimism accept?
From 100.67 to 10,000,000 USDT Arbitrum per order. The floor is roughly $100.62.
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 USDT 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. A block in Arbitrum One closes in about 0.25 sec.
Will real USDT be credited, or a wrapper?
USDT Optimism is the ordinary USDT token of the OP Mainnet (Optimism) network: exactly the same one an exchange sends when you withdraw into this blockchain.
Is ETH needed to receive USDT Optimism?
Not to receive. ETH comes in handy later, when you decide to move USDT from your address.
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 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 USDT Arbitrum to USDT Optimism rate do over the month?
Over the month, about 0%: a low of 1, a high of 1, an average of 1 USDT Optimism per 1 USDT Arbitrum.
Can I swap back, USDT Optimism for USDT Arbitrum?
Yes, the reverse is open too: 1 USDT Optimism = 1.001 USDT Arbitrum. The link to switch sits under the calculator.

Related reading

Other directions

The other way round

Send USDT Arbitrum, receive something else

Receive USDT Optimism, send something else

USDT Arbitrum USDT Optimism All directions All currencies

Arbitrum One → OP Mainnet (Optimism): the full list of directions All networks and routes

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