Swap Tether (USDT NEAR) 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 17, 2026 14:33
- Payout network
- Optimism
- 24 hours
- −0.01%
You get
USDC Optimism
Start the order
USDC Optimism
The figure is indicative; the exact amount is locked in the order.
The direction runs at 0.9997 USDC Optimism per USDT NEAR, or 1.0003 USDT NEAR per USDC Optimism. Market over 24 hours: USDT NEAR against USDC Optimism minus 0.01%. The week added minus 0.04%.
The weekly corridor ran from 0.999575 to 0.999993 USDC Optimism, a spread of 0.04%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Tether sits 3th ($183.28 B) and USD Coin 6th ($73.6 B). Daily moves of USDT and USDC over 90 days line up at 0.16 (they travel apart).
Who takes the USDT NEAR → USDC Optimism route
- A road both waysThe USDC Optimism → USDT NEAR direction is open too, so going back into USDT takes the same route.
USDT NEAR → USDC Optimism rate and amounts
1 USDT NEAR = 0.9997 USDC Optimism
1 USDC Optimism = 1.0003 USDT NEAR
Send USDT NEAR — receive USDC Optimism
| USDT NEAR | USDC Optimism |
|---|---|
| 20 | 19.994 |
| 100 | 99.97 |
| 500 | 499.8501 |
| 5,000 | 4,998.5 |
| 20,000 | 19,994 |
| 100,000 | 99,970.01 |
Need USDC Optimism — send this much USDT NEAR
| USDC Optimism | USDT NEAR |
|---|---|
| 20 | 20.006 |
| 100 | 100.03 |
| 500 | 500.15 |
| 5,000 | 5,001.5 |
| 20,000 | 20,006 |
| 100,000 | 100,030 |
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 USDT NEAR | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 0.9997 | 200 USDT NEAR | ≈ $0.016 | medium |
| Solana | 0.9997 | 200 USDT NEAR | ≈ $0.0005 | fast |
| Polygon | 0.9997 | 200 USDT NEAR | ≈ $0.0017 | fast |
| Arbitrum One | 0.9997 | — | ≈ $0.0032 | fast |
| BASE | 0.9997 | — | — | — |
| BNB Smart Chain (BEP20) | 0.9997 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 0.9997 | — | ≈ < $0.0001 | fast |
| NEAR | 0.9997 | — | — | — |
| Optimism open now | 0.9997 | — | ≈ $0.00016 | fast |
| XLM | 0.9997 | — | — | — |
How the USDT NEAR → 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 USDT NEAR in NEAR 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 USDT NEAR
- 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 USDT NEAR to USDC Optimism rate has been
high 0.999993 USDC Optimismlow 0.999575 USDC Optimism
Sep 10, 2026 14:35Sep 17, 2026 14:35
high 1.0002 USDC Optimismlow 0.999577 USDC Optimism
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 1.0002 USDC Optimismlow 0.999327 USDC Optimism
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 1.0017 USDC Optimismlow 0.996801 USDC Optimism
Sep 18, 2025 03:00Sep 17, 2026 03:00
- 24 hours
- −0.01%
- Week
- −0.04%
- Weekly high
- 0.999993 USDC Optimism
- Weekly low
- 0.999575 USDC Optimism
- Spread
- 0.04%
Market data from CoinGecko as of Sep 17, 2026 11:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDT NEAR/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.99975 | 0.999575 | 0.999647 | −0.01% |
| Week | 0.999993 | 0.999575 | 0.999838 | −0.04% |
| Month | 1.0002 | 0.999577 | 0.999912 | 0% |
| Quarter | 1.0002 | 0.999327 | 0.999705 | 0% |
Figures are in USDC Optimism per unit sent, from market data.
Daily USDT NEAR → USDC Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 0.999591 USDC Optimism | −0.01% |
| Sep 16, 2026 | 0.999723 USDC Optimism | −0.03% |
| Sep 15, 2026 | 0.999985 USDC Optimism | +0.01% |
| Sep 14, 2026 | 0.999848 USDC Optimism | −0.01% |
| Sep 13, 2026 | 0.999949 USDC Optimism | 0% |
| Sep 12, 2026 | 0.999966 USDC Optimism | +0.02% |
| Sep 11, 2026 | 0.999808 USDC Optimism | 0% |
The numbers on USDT and USDC
Tether USDT- Price
- $0.999122
- 24 hours
- −0.02%
- Week
- 0%
- Market cap
- $183.28 B
- 24-hour turnover
- $58.85 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
USD Coin USDC- Price
- $0.999551
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.6 B
- 24-hour turnover
- $18.23 B
- Rank by cap
- #6
- In circulation
- 73.64 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 17, 2026 11:54.
Tether against USD Coin
| Tether (USDT) | USD Coin (USDC) | |
|---|---|---|
| Ticker | USDT | USDC |
| Type | token | token |
| Network | NEAR | Optimism |
| Launched | 2014 | 2018 |
| Built by | Tether Limited | Circle |
| Supply cap | no cap | no cap |
| In circulation | 183.44 B USDT | 73.64 B USDC |
| Market cap | $183.28 B | $73.6 B |
| Rank by cap | #3 | #6 |
| Fees are paid in | — | ETH |
Daily moves of USDT and USDC over 90 days line up at 0.16 — they travel apart.
Common questions: USDT NEAR → USDC Optimism
What rate does USDT NEAR to USDC Optimism run at?
As of Sep 17, 2026 14:33 it is 1 USDT NEAR = 0.9997 USDC Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999251.
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 NEAR, and that one goes to the blockchain, not to us.
How long does USDT NEAR to USDC Optimism take?
The clock starts with confirmations: the order goes into work once NEAR 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 USDT NEAR to USDC Optimism rate do this month?
The month came in at a move of 0%. Low 0.999577, high 1.0002, middle 0.999912 USDC Optimism per USDT NEAR.
Can I go back, USDC Optimism to USDT NEAR?
Yes, the reverse direction is open: 1 USDC Optimism = 1.0005 USDT NEAR. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send USDT NEAR, receive something else
USDT NEAR → USDS0.999301- USDT NEAR → USDT Arbitrum1.0001
- USDT NEAR → USDT BEP201.0001
- USDT NEAR → USDT AVAX C1.0001
- USDT NEAR → USDT ERC201.0001
- USDT NEAR → USDT OMNI1.0001
- USDT NEAR → USDT Optimism1.0001
- USDT NEAR → USDT Polygon1.0001
Receive USDC Optimism, send something else
- USDT OMNI → USDC Optimism0.9997
- USDT Optimism → USDC Optimism0.9997
- USDT Polygon → USDC Optimism0.9997
- USDT SOL → USDC Optimism0.9997
- USDT TON → USDC Optimism0.9997
- USDT TRC20 → USDC Optimism0.9997
WIF → USDC Optimism0.184664
XAI → USDC Optimism0.00697472