Swap Tether Gold (XAUT) for USD Coin (USDC Optimism)
The calculator does the maths at the live rate, the page lists the limits and the timing. Your rate is locked the moment the order is created.
Rate as of Sep 18, 2026 03:43
- Payout network
- Optimism
- 24 hours
- +1.82%
You get
USDC Optimism
Start the order
USDC Optimism
The figure is indicative; the exact amount is locked in the order.
Today XAUT goes for 4,365.93 USDC Optimism, and USDC Optimism goes for 0.000229046 XAUT. Market over 24 hours: XAUT against USDC Optimism plus 1.82%. The week added plus 0.43%.
The weekly corridor ran from 4,271.58 to 4,398.16 USDC Optimism, a spread of 2.96%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Tether Gold sits 37th ($2.7 B) and USD Coin 6th ($73.86 B). Daily moves of XAUT and USDC over 90 days line up at 0.09 (they travel apart).
Who takes the XAUT → USDC Optimism route
- Sitting out the swingsXAUT moved −1.85% over the past month. USDC tracks the dollar, so after the swap the value stops following XAUT.
- A road both waysThe USDC Optimism → XAUT direction is open too, so going back into XAUT takes the same route.
XAUT → USDC Optimism rate and amounts
1 XAUT = 4,365.93 USDC Optimism
1 USDC Optimism = 0.000229046 XAUT
Send XAUT — receive USDC Optimism
| XAUT | USDC Optimism |
|---|---|
| 0.005 | 21.8297 |
| 0.02 | 87.3186 |
| 0.1 | 436.5931 |
| 1 | 4,365.93 |
| 5 | 21,829.66 |
| 20 | 87,318.62 |
Need USDC Optimism — send this much XAUT
| USDC Optimism | XAUT |
|---|---|
| 20 | 0.00458092 |
| 100 | 0.0229046 |
| 500 | 0.114523 |
| 5,000 | 1.1452 |
| 20,000 | 4.5809 |
| 100,000 | 22.9046 |
Payout network for USDC
The same USDC goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.
| Network | Per XAUT | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 4,365.93 | 0.0465636 XAUT | ≈ $0.009 | medium |
| Solana | 4,365.93 | 0.0465636 XAUT | ≈ $0.0005 | fast |
| Polygon | 4,365.93 | 0.0465636 XAUT | ≈ $0.0018 | fast |
| Arbitrum One | 4,365.93 | — | ≈ $0.0032 | fast |
| BASE | 4,365.93 | — | — | — |
| BNB Smart Chain (BEP20) | 4,365.93 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 4,365.93 | — | ≈ < $0.0001 | fast |
| NEAR | 4,365.93 | — | — | — |
| Optimism open now | 4,365.93 | — | ≈ $0.00016 | fast |
| XLM | 4,365.93 | — | — | — |
How the XAUT → USDC Optimism order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in Optimism and a way to reach you.
- Send XAUT in Tether Gold for exactly the amount stated in the order.
- Once the network confirms your transfer, USD Coin leaves for your address. The order page tracks every step.
Check this before sending XAUT
- The address network is Optimism. Sending through another network usually means losing the transfer.
- Copy the address whole, then compare the first and last characters after pasting.
- Coins go through an AML check: a flagged transfer can be held until the check is finished.
Where the XAUT to USDC Optimism rate has been
high 4,398.16 USDC Optimismlow 4,271.58 USDC Optimism
Sep 11, 2026 03:47Sep 18, 2026 03:47
high 4,662.89 USDC Optimismlow 4,281.27 USDC Optimism
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 4,662.89 USDC Optimismlow 3,986.27 USDC Optimism
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 5,491.44 USDC Optimismlow 3,646.78 USDC Optimism
Sep 18, 2025 03:00Sep 17, 2026 03:00
- 24 hours
- +1.82%
- Week
- +0.43%
- Weekly high
- 4,398.16 USDC Optimism
- Weekly low
- 4,271.58 USDC Optimism
- Spread
- 2.96%
Market data from CoinGecko as of Sep 18, 2026 01:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far XAUT/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 4,364.35 | 4,271.74 | 4,322.24 | +1.82% |
| Week | 4,398.16 | 4,271.58 | 4,326.69 | +0.43% |
| Month | 4,662.89 | 4,281.27 | 4,440.55 | −1.85% |
| Quarter | 4,662.89 | 3,986.27 | 4,231.98 | +3.51% |
Figures are in USDC Optimism per unit sent, from market data.
Daily XAUT → USDC Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 4,322.17 USDC Optimism | +0.96% |
| Sep 16, 2026 | 4,281.27 USDC Optimism | −0.21% |
| Sep 15, 2026 | 4,290.23 USDC Optimism | −0.97% |
| Sep 14, 2026 | 4,332.38 USDC Optimism | −0.41% |
| Sep 13, 2026 | 4,350.37 USDC Optimism | −0.01% |
| Sep 12, 2026 | 4,351.01 USDC Optimism | +0.83% |
| Sep 11, 2026 | 4,315.01 USDC Optimism | −1.75% |
Daily RubyCash rate: XAUT → USDC Optimism
| Date | RubyCash rate | Market rate |
|---|---|---|
| Sep 18, 2026 | 4,353.1 USDC Optimism | 4,341.65 |
| Sep 17, 2026 | 4,352.9 USDC Optimism | 4,341.65 |
| Sep 16, 2026 | 4,275.6 USDC Optimism | 4,274.92 |
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 XAUT and USDC
Tether Gold XAUT- Price
- $4,340.12
- 24 hours
- +1.81%
- Week
- +0.5%
- Market cap
- $2.7 B
- 24-hour turnover
- $247.51 M
- Rank by cap
- #37
- In circulation
- 622.82 K XAUT
- Record price
- $5,504.62
USD Coin USDC- Price
- $0.999648
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.86 B
- 24-hour turnover
- $15.35 B
- Rank by cap
- #6
- In circulation
- 73.88 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 18, 2026 01:24.
Tether Gold against USD Coin
| Tether Gold (XAUT) | USD Coin (USDC) | |
|---|---|---|
| Ticker | XAUT | USDC |
| Type | token | token |
| Launched | 2020 | 2018 |
| Built by | Tether | Circle |
| In circulation | 622.82 K XAUT | 73.88 B USDC |
| Market cap | $2.7 B | $73.86 B |
| Rank by cap | #37 | #6 |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Supply cap | — | no cap |
Daily moves of XAUT and USDC over 90 days line up at 0.09 — they travel apart.
Common questions: XAUT → USDC Optimism
What rate does XAUT to USDC Optimism run at?
As of Sep 18, 2026 03:43 it is 1 XAUT = 4,365.93 USDC Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $4,364.39.
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 XAUT, and that one goes to the blockchain, not to us.
How long does XAUT to USDC Optimism take?
The clock starts with confirmations: the order goes into work once Tether Gold confirms your transfer. After that it comes down to how busy the network is.
Which network will USDC Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDC cheaper?
The cheapest is usually USDC SOL, USDC Polygon, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC 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 XAUT to USDC Optimism rate do this month?
The month came in at minus 1.85%. Low 4,281.27, high 4,662.89, middle 4,440.55 USDC Optimism per XAUT.
Can I go back, USDC Optimism to XAUT?
Yes, the reverse direction is open: 1 USDC Optimism = 0.000230199 XAUT. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send XAUT, receive something else
XAUT → USDS4,369.6
XAUT → USDT Arbitrum4,371.34- XAUT → USDT BEP204,371.34
- XAUT → USDT AVAX C4,371.34
- XAUT → USDT ERC204,371.34
- XAUT → USDT NEAR4,371.34
- XAUT → USDT OMNI4,371.34
- XAUT → USDT Optimism4,371.34
