Tether Gold (XAUT) → USD Coin (USDC Optimism)

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 XAUT → USDC Optimism 1 XAUT = 4,170.7 USDC Optimism 1 USDC Optimism = 0.000239768 XAUT

Rate as of Sep 30, 2026 19:35

Orders from: 0.0240791 XAUT ≈ $100.48
Payout network: Optimism
24 hours: −0.01%

You send

XAUT

You get 4,170.7

USDC Optimism

Create the order

Rate: 1 XAUT = 4,170.7 USDC Optimism
From: 0.0240791 XAUT
Up to: 2,400 XAUT

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

The direction is holding at 4,170.7 USDC Optimism per 1 XAUT (0.000239768 XAUT per 1 USDC Optimism). Over 24 hours XAUT/USDC Optimism came in at minus 0.01%. Over the week, minus 1.93%.

The weekly range ran from 4,124.73 to 4,298.93 USDC Optimism, a spread of 4.22%. One order takes from 0.0240791 to 2,400 XAUT. In dollars that is roughly $100.48.

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. Market capitalisation puts Tether Gold at No. 38 ($3.38 B) and USD Coin at No. 6 ($74.32 B). Over 90 days the daily moves of XAUT and USDC correlate at 0.09 (they travel apart).

Which network USDC arrives in

The same USDC 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 XAUT	From	Network fee	Speed
Ethereum (ERC20)	4,170.7	0.0240791 XAUT	≈ $0.19	medium
Solana	4,170.7	0.0240791 XAUT	≈ $0.0006	fast
Arbitrum One	4,170.7	0.0240791 XAUT	≈ $0.0036	fast
BASE	4,170.7	0.0240791 XAUT	—	—
BNB Smart Chain (BEP20)	4,170.7	0.0240791 XAUT	≈ $0.0025	fast
Avalanche C-Chain	4,170.7	0.0240791 XAUT	≈ $0.0036	fast
NEAR	4,170.7	0.0240791 XAUT	—	—
Optimism open	4,170.7	0.0240791 XAUT	≈ $0.00023	fast
Polygon	4,170.7	0.0240791 XAUT	≈ $0.0021	fast
XLM	4,170.7	0.0240791 XAUT	—	—

XAUT → USDC: all networks side by side Network charges for USDC

Rate and amounts for XAUT → USDC Optimism

Send XAUT — receive USDC OptimismNeed USDC Optimism — send this much XAUT

XAUT	USDC Optimism
0.05	208.5349
0.2	834.1397
0.5	2,085.35
2	8,341.4
5	20,853.49
20	83,413.97

USDC Optimism	XAUT
200	0.0479536
1,000	0.239768
2,000	0.479536
10,000	2.3977
20,000	4.7954
100,000	23.9768

How the XAUT → USDC Optimism exchange runs

Work out the amount in the calculator — orders start at 0.0240791 XAUT.
Give a USDC address on Optimism and a contact for the order.
Send XAUT on Tether Gold, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends USD Coin to your address. The order page shows the status.

Swap XAUT for USDC Optimism

Check this before sending XAUT

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 0.0240791 XAUT.
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 XAUT to USDC Optimism rate has moved

WeekMonthQuarterYear

high 4,298.93 USDC Optimismlow 4,124.73 USDC Optimism

Sep 23, 2026 19:38Sep 30, 2026 19:38

high 4,472.18 USDC Optimismlow 4,131.82 USDC Optimism

Aug 31, 2026 05:00Sep 30, 2026 05:00

high 4,662.89 USDC Optimismlow 3,986.27 USDC Optimism

Jul 2, 2026 05:00Sep 30, 2026 05:00

high 5,491.44 USDC Optimismlow 3,866.13 USDC Optimism

Oct 1, 2025 05:00Sep 30, 2026 05:00

24 hours: −0.01%
Week: −1.93%
Weekly high: 4,298.93 USDC Optimism
Weekly low: 4,124.73 USDC Optimism
Spread: 4.22%

Market data from CoinGecko as of Sep 30, 2026 19:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The XAUT/USDC Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	4,206.72	4,149.65	4,177.84	−0.01%
Week	4,298.93	4,124.73	4,237.08	−1.93%
Month	4,472.18	4,131.82	4,341.93	−5.81%
Quarter	4,662.89	3,986.27	4,262.39	+3.9%

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

Daily XAUT → USDC Optimism rate

Day	Close	Against the day before
Sep 30, 2026	4,186.19 USDC Optimism	+1.32%
Sep 29, 2026	4,131.82 USDC Optimism	−3.03%
Sep 28, 2026	4,261.14 USDC Optimism	−0.44%
Sep 27, 2026	4,279.97 USDC Optimism	−0.12%
Sep 26, 2026	4,284.99 USDC Optimism	+0.55%
Sep 25, 2026	4,261.67 USDC Optimism	−0.67%
Sep 24, 2026	4,290.31 USDC Optimism	−1.62%

Market data: XAUT and USDC

Tether Gold XAUT

Price: $4,173.01
24 hours: −0.02%
Week: −3.02%
Market cap: $3.38 B
24-hour turnover: $194.83 M
Rank by cap: #38
In circulation: 808.99 K XAUT
All-time high: $5,504.62

USD Coin USDC

Price: $0.999783
24 hours: −0.02%
Week: 0%
Market cap: $74.32 B
24-hour turnover: $17.78 B
Rank by cap: #6
In circulation: 74.34 B USDC
All-time high: $1.04

Source: CoinGecko, Sep 30, 2026 19:27.

Tether Gold and USD Coin: how they differ

	Tether Gold (XAUT)	USD Coin (USDC)
Ticker	XAUT	USDC
Type	token	token
Launched	2020	2018
Built by	Tether	Circle
In circulation	808.99 K XAUT	74.34 B USDC
Market cap	$3.38 B	$74.32 B
Rank by cap	#38	#6
Network	—	Optimism
Fees are paid in	—	ETH
Supply cap	—	no cap

Daily moves of XAUT and USDC over the quarter link at 0.09 (they travel apart).

Why people take the XAUT → USDC Optimism route

Stepping out of the swingsXAUT moved −5.82% over the past month. USDC tracks the dollar, so after the swap the amount stops following XAUT.
It works both waysThe USDC Optimism → XAUT direction is open as well — going back into XAUT takes the same route and the same automation.

Common questions: XAUT → USDC Optimism

What rate does XAUT to USDC Optimism run at?

As of Sep 30, 2026 19:35 it is 1 XAUT = 4,170.7 USDC Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $4,169.79.

What amounts does XAUT → USDC Optimism accept?

From 0.0240791 to 2,400 XAUT per order. The floor is roughly $100.48.

Why can I not swap less than 0.0240791 XAUT?

The network fee and the handling do not depend on the amount. On a transfer below 0.0240791 XAUT 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 XAUT, and the blockchain takes that one.

How long does swapping XAUT for USDC Optimism take?

The clock starts with confirmations: as soon as Tether Gold 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 USDC Optimism arrive in?

The payout goes out on Optimism. Check that the receiving wallet supports that network.

Which network is cheaper for receiving USDC?

Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon 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 XAUT to USDC Optimism rate do over the month?

Over the month, minus 5.81%: a low of 4,131.82, a high of 4,472.18, an average of 4,341.93 USDC Optimism per 1 XAUT.

Can I swap back, USDC Optimism for XAUT?

Yes, the reverse is open too: 1 USDC Optimism = 0.000239763 XAUT. The link to switch sits under the calculator.