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

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

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

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

Rate as of Nov 1, 2026 07:29

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

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

Current maths: 1.001 USDT Arbitrum for every USDT Optimism, and 0.999001 USDT Optimism per USDT Arbitrum in reverse. Over 24 hours USDT Optimism/USDT Arbitrum came in at about 0%. Over the week, about 0%.

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

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.

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 OptimismFromNetwork feeSpeed
Arbitrum One open1.001100.67 USDT Optimism≈ $0.0029fast
Avalanche C-Chain1.001100.67 USDT Optimism≈ $0.0014fast
NEAR1.001100.67 USDT Optimism——
Ethereum (ERC20)1.001100.67 USDT Optimism≈ $0.0055medium
TRON (TRC20)1.001100.67 USDT Optimism≈ $2.1fast
BNB Smart Chain (BEP20)1.001100.67 USDT Optimism≈ $0.0023fast
Solana1.001100.67 USDT Optimism≈ $0.00048fast

Network charges for USDT

Rate and amounts for USDT Optimism → USDT Arbitrum

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

How the USDT Optimism → USDT Arbitrum exchange runs

  1. Work out the amount in the calculator — orders start at 100.67 USDT Optimism.
  2. Give a USDT address on Arbitrum One and a contact for the order.
  3. Send USDT Optimism on Optimism, 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 Arbitrum to your address. The order page shows the status.

Swap USDT Optimism for USDT Arbitrum

Check this before sending USDT Optimism

  • The address network is Arbitrum One. Sending through another network almost always means losing the transfer.
  • The transfer must not be smaller than 100.67 USDT Optimism.
  • 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 Arbitrum One.
  • 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 Optimism to USDT Arbitrum rate has moved

high 1 USDT Arbitrumlow 1 USDT Arbitrum
Oct 25, 2026 07:34Nov 1, 2026 07:34
high 1 USDT Arbitrumlow 1 USDT Arbitrum
Oct 1, 2026 05:00Oct 31, 2026 05:00
high 1 USDT Arbitrumlow 1 USDT Arbitrum
Aug 2, 2026 05:00Oct 31, 2026 05:00
high 1 USDT Arbitrumlow 1 USDT Arbitrum
Nov 1, 2025 05:00Oct 31, 2026 05:00
24 hours
0%
Week
0%
Weekly high
1 USDT Arbitrum
Weekly low
1 USDT Arbitrum
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 Optimism/USDT Arbitrum spread by period

PeriodHighLowMiddlePeriod result
24 hours1110%
Week1110%
Month1110%
Quarter1110%

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

Daily USDT Optimism → USDT Arbitrum rate

DayCloseAgainst the day before
Oct 31, 20261 USDT Arbitrum0%
Oct 30, 20261 USDT Arbitrum0%
Oct 29, 20261 USDT Arbitrum0%
Oct 28, 20261 USDT Arbitrum0%
Oct 27, 20261 USDT Arbitrum0%
Oct 26, 20261 USDT Arbitrum0%
Oct 25, 20261 USDT Arbitrum0%

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

DayVelorex rateMarket rate
Nov 1, 20261.001 USDT Arbitrum1
Oct 31, 20261.001 USDT Arbitrum1
Oct 30, 20261.001 USDT Arbitrum1
Oct 29, 20261.001 USDT Arbitrum1
Oct 28, 20261.001 USDT Arbitrum1
Oct 27, 20261.001 USDT Arbitrum1
Oct 26, 20261.001 USDT Arbitrum1
Oct 25, 20261.001 USDT Arbitrum1
Oct 24, 20261.001 USDT Arbitrum1
Oct 23, 20261.001 USDT Arbitrum1
Oct 22, 20261.001 USDT Arbitrum1
Oct 21, 20261.001 USDT Arbitrum1
Oct 20, 20261.001 USDT Arbitrum1
Oct 19, 20261.001 USDT Arbitrum1

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: OP Mainnet (Optimism) and Arbitrum One

OP Mainnet (Optimism)Arbitrum One
What kind of networkOptimistic rollup (L2)Optimistic rollup (L2)
What pays the feeETHETH
How expensive≈ $0.00015≈ $0.0029
How fastfastfast
Block time~2 sec~0.25 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 Arbitrum One 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 Arbitrum One coin needed for feesNot required to receiveAs a rule yes, otherwise the funds cannot be claimed or moved on
When it arrivesAs soon as OP Mainnet (Optimism) 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

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

Why people take the USDT Optimism → USDT Arbitrum route

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

Common questions: USDT Optimism → USDT Arbitrum

What rate does USDT Optimism to USDT Arbitrum run at?
As of Nov 1, 2026 07:29 it is 1 USDT Optimism = 1.001 USDT Arbitrum. 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 Optimism → USDT Arbitrum accept?
From 100.67 to 10,000,000 USDT Optimism per order. The floor is roughly $100.62.
Why can I not swap less than 100.67 USDT Optimism?
The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDT 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 USDT Optimism, and the blockchain takes that one.
How long does swapping USDT 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 2 sec.
Will real USDT be credited, or a wrapper?
USDT Arbitrum is the ordinary USDT token of the Arbitrum One network: exactly the same one an exchange sends when you withdraw into this blockchain.
Is ETH needed to receive USDT Arbitrum?
Not to receive. ETH comes in handy later, when you decide to move USDT from your address.
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 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 USDT Optimism to USDT Arbitrum rate do over the month?
Over the month, about 0%: a low of 1, a high of 1, an average of 1 USDT Arbitrum per 1 USDT Optimism.
Can I swap back, USDT Arbitrum for USDT Optimism?
Yes, the reverse is open too: 1 USDT Arbitrum = 1.001 USDT Optimism. The link to switch sits under the calculator.

Related reading

Other directions

The other way round

Send USDT Optimism, receive something else

Receive USDT Arbitrum, send something else

USDT Optimism USDT Arbitrum All directions All currencies

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

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