USDT: moving from OP Mainnet (Optimism) to Arbitrum One

The same USDT, only in another network: send USDT Optimism and collect USDT Arbitrum at your own address in Arbitrum One. No bridge contracts, no signatures, no wrapped tokens.

Rate as of Nov 1, 2026 12:49

Orders from: 200 USDT Optimism ≈ $199.91
Payout network: Arbitrum One
24 hours: 0%

You send

USDT Optimism

You get 2,000.2

USDT Arbitrum

Start the order

Rate: 1 USDT Optimism = 1.0001 USDT Arbitrum
From: 200 USDT Optimism
Up to: 10,000,000 USDT Optimism

The figure is indicative; the exact amount is locked in the order.

The direction runs at 1.0001 USDT Arbitrum per USDT Optimism, or 0.9999 USDT Optimism per USDT Arbitrum. Market over 24 hours: USDT Optimism against USDT Arbitrum a move of 0%. The week added a move of 0%.

The weekly corridor ran from 1 to 1 USDT Arbitrum, a spread of 0%. A single order takes 200 to 10,000,000 USDT Optimism. In dollars that is roughly $199.91.

The payout leaves in the Arbitrum One network, so the receiving address has to belong to that network.

Who takes the USDT Optimism → USDT Arbitrum route

Moving between networksUSDT in Optimism (fee ≈ $0.00015) becomes Arbitrum One (fee ≈ $0.003) — the usual way to top up a wallet or an exchange that speaks one network only.
A road both waysThe USDT Arbitrum → USDT Optimism direction is open too, so going back into USDT takes the same route.

USDT Optimism → USDT Arbitrum rate and amounts

1 USDT Optimism = 1.0001 USDT Arbitrum

1 USDT Arbitrum = 0.9999 USDT Optimism

Send USDT Optimism — receive USDT Arbitrum

USDT Optimism	USDT Arbitrum
200	200.02
1,000	1,000.1
2,000	2,000.2
10,000	10,001
20,000	20,002
100,000	100,010

Need USDT Arbitrum — send this much USDT Optimism

USDT Arbitrum	USDT Optimism
200	199.98
1,000	999.9
2,000	1,999.8
10,000	9,999
20,000	19,998
100,000	99,990

Payout network for USDT

The same USDT goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.

Network	Per USDT Optimism	From	Network fee	Speed
OMNI	1.0001	—	—	—
Ethereum (ERC20)	1.0001	200 USDT Optimism	≈ $0.0059	medium
TRON (TRC20)	1.0001	200 USDT Optimism	≈ $2.1	fast
BNB Smart Chain (BEP20)	1.0001	200 USDT Optimism	≈ $0.0023	fast
Solana	1.0001	200 USDT Optimism	≈ $0.00048	fast
Polygon	1.0001	200 USDT Optimism	≈ $0.00015	fast
Arbitrum One open now	1.0001	200 USDT Optimism	≈ $0.003	fast
TON	1.0001	200 USDT Optimism	low	fast
Avalanche C-Chain	1.0001	—	≈ $0.0014	fast
NEAR	1.0001	—	—	—

USDT network fees

How the USDT Optimism → USDT Arbitrum order runs

Work out the amount in the calculator: orders start at 200 USDT Optimism.
Enter a USDT address in Arbitrum One and a way to reach you.
Send USDT Optimism in Optimism for exactly the amount stated in the order.
Once the network confirms your transfer, Tether Arbitrum leaves for your address. The order page tracks every step.

Swap USDT Optimism for USDT Arbitrum

Check this before sending USDT Optimism

The address network is Arbitrum One. Sending through another network usually means losing the transfer.
The transfer must not be smaller than 200 USDT Optimism.
Copy the address whole, then compare the first and last characters after pasting.
Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon all use the same address shape (0x…). Make sure the wallet is switched to Arbitrum One.
To move USDT on later, put a little ETH at the same address.
Coins go through an AML check: a flagged transfer can be held until the check is finished.

OP Mainnet (Optimism) against Arbitrum One

	OP Mainnet (Optimism)	Arbitrum One
Network type	L2, optimistic rollup	L2, optimistic rollup
Fees are paid in	ETH	ETH
Fee level	≈ $0.00015	≈ $0.003
Speed	fast	fast
Block	~2 sec	~0.25 sec
Address shape	0x…	0x…
Memo or tag	not needed	not needed
Ethereum-style address (0x…)	yes	yes
Official withdrawal to Ethereum	≈ 7 days (challenge period)	≈ 7 days (challenge period)

Fee and speed levels are comparative: both move with how busy the network is.

How this differs from a classic bridge

	RubyCash	Classic bridge
What lands at your address	USDT in Arbitrum One	Depends: in some networks it is the bridged version of the token
Wallet and signatures	Not needed: the coins go to the address from the order	Needed: connect the wallet and sign contract transactions
A coin for fees in Arbitrum One	Not needed to receive	Often needed, or the funds cannot be claimed or moved on
Timing	After confirmations in OP Mainnet (Optimism); the order page tracks it	Depends on the bridge and the load of both networks
Who holds the funds meanwhile	RubyCash for the life of the order, with an AML check	The bridge contract or its validators

Bridge OP Mainnet (Optimism) → Arbitrum One: all directions The Arbitrum One network

Where the USDT Optimism to USDT Arbitrum rate has been

WeekMonthQuarterYear

high 1 USDT Arbitrumlow 1 USDT Arbitrum

Oct 25, 2026 12:53Nov 1, 2026 12:53

high 1 USDT Arbitrumlow 1 USDT Arbitrum

Oct 1, 2026 03:00Oct 31, 2026 03:00

high 1 USDT Arbitrumlow 1 USDT Arbitrum

Aug 2, 2026 03:00Oct 31, 2026 03:00

high 1 USDT Arbitrumlow 1 USDT Arbitrum

Nov 1, 2025 03:00Oct 31, 2026 03:00

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 11:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDT Optimism/USDT Arbitrum travelled, by period

Period	High	Low	Middle	Net move
24 hours	1	1	1	0%
Week	1	1	1	0%
Month	1	1	1	0%
Quarter	1	1	1	0%

Figures are in USDT Arbitrum per unit sent, from market data.

Daily USDT Optimism → USDT Arbitrum rate

Day	Close	Against the day before
Oct 31, 2026	1 USDT Arbitrum	0%
Oct 30, 2026	1 USDT Arbitrum	0%
Oct 29, 2026	1 USDT Arbitrum	0%
Oct 28, 2026	1 USDT Arbitrum	0%
Oct 27, 2026	1 USDT Arbitrum	0%
Oct 26, 2026	1 USDT Arbitrum	0%
Oct 25, 2026	1 USDT Arbitrum	0%

Daily RubyCash rate: USDT Optimism → USDT Arbitrum

Date	RubyCash rate	Market rate
Nov 1, 2026	1.0001 USDT Arbitrum	1
Oct 31, 2026	1.0001 USDT Arbitrum	1
Oct 30, 2026	1.0001 USDT Arbitrum	1
Oct 29, 2026	1.0001 USDT Arbitrum	1
Oct 28, 2026	1.0001 USDT Arbitrum	1
Oct 27, 2026	1.0001 USDT Arbitrum	1
Oct 26, 2026	1.0001 USDT Arbitrum	1
Oct 25, 2026	1.0001 USDT Arbitrum	1
Oct 24, 2026	1.0001 USDT Arbitrum	1
Oct 22, 2026	1.0001 USDT Arbitrum	1
Oct 21, 2026	1.0001 USDT Arbitrum	1
Oct 20, 2026	1.0001 USDT Arbitrum	1
Oct 19, 2026	1.0001 USDT Arbitrum	1
Oct 18, 2026	1.0001 USDT Arbitrum	1

Our own rate is written down every hour; the table keeps the last entry of each day. The market column is the ratio of the same two coins on CoinGecko at that moment. Where these numbers come from

The numbers on USDT

Tether USDT

Price: $0.999538
24 hours: +0.02%
Week: +0.05%
Market cap: $180.04 B
24-hour turnover: $25.75 B
Rank by cap: #3
In circulation: 180.12 B USDT
Record price: $1.32

Source: CoinGecko, Nov 1, 2026 11:54.

Common questions: USDT Optimism → USDT Arbitrum

What rate does USDT Optimism to USDT Arbitrum run at?

As of Nov 1, 2026 12:49 it is 1 USDT Optimism = 1.0001 USDT Arbitrum. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999638.

What amounts does USDT Optimism → USDT Arbitrum accept?

From 200 to 10,000,000 USDT Optimism per order. The lower limit is roughly $199.91.

Where does the 200 USDT Optimism floor come from?

Network fees and order handling eat a small transfer alive — below 200 USDT Optimism the swap stops making sense for either side.

What else is taken on top of the rate?

The payout is already calculated at the rate in the calculator. On top of it you only pay the network fee for sending USDT Optimism, and that one goes to the blockchain, not to us.

How long does USDT Optimism to USDT Arbitrum take?

The clock starts with confirmations: the order goes into work once Optimism confirms your transfer. After that it comes down to how busy the network is. A block in Optimism closes in about 2 sec.

Will native USDT arrive, or a wrapper?

USDT Arbitrum is the standard USDT token in Arbitrum One — exactly what exchanges send when they withdraw into this network.

Do I need ETH to receive USDT Arbitrum?

Not to receive. ETH comes into play later, when you want to send USDT from your address.

Which network will USDT Arbitrum arrive in?

The payout leaves in Arbitrum One. Make sure the receiving wallet works with that network.

Where is receiving USDT cheaper?

The cheapest is usually USDT BEP20, USDT SOL, USDT Polygon, USDT Arbitrum, USDT TON, USDT AVAX C. Still, the network is chosen by what the recipient supports, not by the fee.

What if the rate moves while I am paying?

The rate is pinned to the order and does not move while the order is alive. It can be recalculated 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 this month?

The month came in at a move of 0%. Low 1, high 1, middle 1 USDT Arbitrum per USDT Optimism.

Can I go back, USDT Arbitrum to USDT Optimism?

Yes, the reverse direction is open: 1 USDT Arbitrum = 1.0001 USDT Optimism. The link sits right under the calculator.

USDT: moving from OP Mainnet (Optimism) to Arbitrum One

Who takes the USDT Optimism → USDT Arbitrum route

USDT Optimism → USDT Arbitrum rate and amounts

Send USDT Optimism — receive USDT Arbitrum

Need USDT Arbitrum — send this much USDT Optimism

Payout network for USDT

How the USDT Optimism → USDT Arbitrum order runs

Check this before sending USDT Optimism

OP Mainnet (Optimism) against Arbitrum One

How this differs from a classic bridge

Where the USDT Optimism to USDT Arbitrum rate has been

How far USDT Optimism/USDT Arbitrum travelled, by period

Daily USDT Optimism → USDT Arbitrum rate

Daily RubyCash rate: USDT Optimism → USDT Arbitrum

The numbers on USDT

Common questions: USDT Optimism → USDT Arbitrum

Worth reading

Where else this can go

The other way round

Send USDT Optimism, receive something else

Receive USDT Arbitrum, send something else