Stablecoins from Arbitrum One to Polygon PoS: USDC Arbitrum → USDT Polygon

Q: What rate does USDC Arbitrum to USDT Polygon run at?

As of Sep 18, 2026 06:28 it is 1 USDC Arbitrum = 1.0009 USDT Polygon. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $1.00.

Q: What amounts does USDC Arbitrum → USDT Polygon accept?

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

Q: Where does the 200 USDC Arbitrum floor come from?

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

Q: 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 USDC Arbitrum, and that one goes to the blockchain, not to us.

Q: How long does USDC Arbitrum to USDT Polygon take?

The clock starts with confirmations: the order goes into work once Arbitrum One confirms your transfer. After that it comes down to how busy the network is. A block in Arbitrum One closes in about 0.25 sec.

Q: Will native USDT arrive, or a wrapper?

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

Q: Do I need POL to receive USDT Polygon?

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

Q: Which network will USDT Polygon arrive in?

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

Q: Where is receiving USDT cheaper?

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

Q: 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.

The direction runs at 1.0009 USDT Polygon per USDC Arbitrum, or 0.999101 USDC Arbitrum per USDT Polygon. Market over 24 hours: USDC Arbitrum against USDT Polygon a move of 0%. The week added a move of 0%.

The weekly corridor ran from 1 to 1.0004 USDT Polygon, a spread of 0.04%. A single order takes 200 to 10,000,000 USDC Arbitrum. In dollars that is roughly $199.91.

The payout leaves in the Polygon network, so the receiving address has to belong to that network. By market cap USD Coin sits 6th ($73.87 B) and Tether 3th ($183.29 B). Daily moves of USDC and USDT over 90 days line up at 0.15 (they travel apart).

Who takes the USDC Arbitrum → USDT Polygon route

A road both waysThe USDT Polygon → USDC Arbitrum direction is open too, so going back into USDC takes the same route.

USDC Arbitrum → USDT Polygon rate and amounts

1 USDC Arbitrum = 1.0009 USDT Polygon

1 USDT Polygon = 0.999101 USDC Arbitrum

Send USDC Arbitrum — receive USDT Polygon

USDC Arbitrum	USDT Polygon
200	200.18
1,000	1,000.9
2,000	2,001.8
10,000	10,009
20,000	20,018
100,000	100,090

Need USDT Polygon — send this much USDC Arbitrum

USDT Polygon	USDC Arbitrum
500	499.5504
1,000	999.1008
5,000	4,995.5
10,000	9,991.01
50,000	49,955.04
100,000	99,910.08

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 USDC Arbitrum	From	Network fee	Speed
OMNI	1.0009	—	—	—
Ethereum (ERC20)	1.0009	200 USDC Arbitrum	≈ $0.017	medium
TRON (TRC20)	1.0009	200 USDC Arbitrum	≈ $2.3	fast
BNB Smart Chain (BEP20)	1.0009	200 USDC Arbitrum	≈ $0.0024	fast
Solana	1.0009	200 USDC Arbitrum	≈ $0.00051	fast
Polygon open now	1.0009	200 USDC Arbitrum	≈ $0.0018	fast
Arbitrum One	1.0009	200 USDC Arbitrum	≈ $0.0033	fast
TON	1.0009	200 USDC Arbitrum	low	fast
Avalanche C-Chain	1.0009	—	≈ < $0.0001	fast
NEAR	1.0009	—	—	—
Optimism	1.0009	—	≈ $0.00016	fast

USDT network fees

How the USDC Arbitrum → USDT Polygon order runs

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

Swap USDC Arbitrum for USDT Polygon

Check this before sending USDC Arbitrum

The address network is Polygon. Sending through another network usually means losing the transfer.
The transfer must not be smaller than 200 USDC Arbitrum.
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 Polygon PoS.
To move USDT on later, put a little POL at the same address.
Coins go through an AML check: a flagged transfer can be held until the check is finished.

Arbitrum One against Polygon PoS

	Arbitrum One	Polygon PoS
Network type	L2, optimistic rollup	Sidechain with checkpoints in Ethereum
Fees are paid in	ETH	POL
Fee level	≈ $0.0033	≈ $0.0018
Speed	fast	fast
Block	~0.25 sec	~2 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)	—

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 Polygon PoS	The same stablecoin; turning USDT into USDC is a separate step
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 Polygon PoS	Not needed to receive	Often needed, or the funds cannot be claimed or moved on
Timing	After confirmations in Arbitrum One; 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 Arbitrum One → Polygon PoS: all directions The Polygon PoS network

Where the USDC Arbitrum to USDT Polygon rate has been

WeekMonthQuarterYear

high 1.0004 USDT Polygonlow 1 USDT Polygon

Sep 11, 2026 06:32Sep 18, 2026 06:32

high 1.0004 USDT Polygonlow 0.999785 USDT Polygon

Aug 19, 2026 03:00Sep 18, 2026 03:00

high 1.0007 USDT Polygonlow 0.999785 USDT Polygon

Jun 20, 2026 03:00Sep 18, 2026 03:00

high 1.0032 USDT Polygonlow 0.998284 USDT Polygon

Sep 19, 2025 03:00Sep 18, 2026 03:00

24 hours: 0%
Week: 0%
Weekly high: 1.0004 USDT Polygon
Weekly low: 1 USDT Polygon
Spread: 0.04%

Market data from CoinGecko as of Sep 18, 2026 05:24; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDC Arbitrum/USDT Polygon travelled, by period

Period	High	Low	Middle	Net move
24 hours	1.0004	1.0003	1.0004	0%
Week	1.0004	1	1.0002	0%
Month	1.0004	0.999785	1.0001	0%
Quarter	1.0007	0.999785	1.0003	+0.01%

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

Daily USDC Arbitrum → USDT Polygon rate

Day	Close	Against the day before
Sep 18, 2026	1.0004 USDT Polygon	0%
Sep 17, 2026	1.0003 USDT Polygon	0%
Sep 16, 2026	1.0003 USDT Polygon	+0.03%
Sep 15, 2026	1 USDT Polygon	−0.01%
Sep 14, 2026	1.0002 USDT Polygon	+0.01%
Sep 13, 2026	1.0001 USDT Polygon	0%
Sep 12, 2026	1 USDT Polygon	−0.02%

Daily RubyCash rate: USDC Arbitrum → USDT Polygon

Date	RubyCash rate	Market rate
Sep 18, 2026	1.0009 USDT Polygon	1.0004
Sep 17, 2026	1.001 USDT Polygon	1.0003
Sep 16, 2026	1.0007 USDT Polygon	1.0003

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 USDC and USDT

USD Coin USDC

Price: $0.999567
24 hours: −0.01%
Week: 0%
Market cap: $73.87 B
24-hour turnover: $15.16 B
Rank by cap: #6
In circulation: 73.9 B USDC
Record price: $1.04

Tether USDT

Price: $0.99918
24 hours: −0.01%
Week: −0.1%
Market cap: $183.29 B
24-hour turnover: $49.51 B
Rank by cap: #3
In circulation: 183.44 B USDT
Record price: $1.32

Source: CoinGecko, Sep 18, 2026 05:24.

USD Coin against Tether

	USD Coin (USDC)	Tether (USDT)
Ticker	USDC	USDT
Type	token	token
Network	Arbitrum One	Polygon
Fees are paid in	ETH	POL
Launched	2018	2014
Built by	Circle	Tether Limited
Supply cap	no cap	no cap
In circulation	73.9 B USDC	183.44 B USDT
Market cap	$73.87 B	$183.29 B
Rank by cap	#6	#3

Daily moves of USDC and USDT over 90 days line up at 0.15 — they travel apart.

Common questions: USDC Arbitrum → USDT Polygon

What rate does USDC Arbitrum to USDT Polygon run at?

As of Sep 18, 2026 06:28 it is 1 USDC Arbitrum = 1.0009 USDT Polygon. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $1.00.

What amounts does USDC Arbitrum → USDT Polygon accept?

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

Where does the 200 USDC Arbitrum floor come from?

Network fees and order handling eat a small transfer alive — below 200 USDC Arbitrum 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 USDC Arbitrum, and that one goes to the blockchain, not to us.

How long does USDC Arbitrum to USDT Polygon take?

The clock starts with confirmations: the order goes into work once Arbitrum One confirms your transfer. After that it comes down to how busy the network is. A block in Arbitrum One closes in about 0.25 sec.

Will native USDT arrive, or a wrapper?

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

Do I need POL to receive USDT Polygon?

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

Which network will USDT Polygon arrive in?

The payout leaves in Polygon. 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, USDT Optimism. 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 USDC Arbitrum to USDT Polygon rate do this month?

The month came in at a move of 0%. Low 0.999785, high 1.0004, middle 1.0001 USDT Polygon per USDC Arbitrum.

Can I go back, USDT Polygon to USDC Arbitrum?

Yes, the reverse direction is open: 1 USDT Polygon = 0.9993 USDC Arbitrum. The link sits right under the calculator.