Swap USD Coin (USDC Optimism) for USD Coin (USDC BASE)
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 04:03
- Payout network
- BASE
- 24 hours
- 0%
You get
USDC BASE
Start the order
USDC BASE
The figure is indicative; the exact amount is locked in the order.
The direction runs at 1.0001 USDC BASE per USDC Optimism, or 0.9999 USDC Optimism per USDC BASE. Market over 24 hours: USDC Optimism against USDC BASE a move of 0%. The week added a move of 0%.
The weekly corridor ran from 1 to 1 USDC BASE, a spread of 0%.
The payout leaves in the BASE network, so the receiving address has to belong to that network.
Who takes the USDC Optimism → USDC BASE route
- Moving between networksUSDC in Optimism (fee ≈ $0.00016) becomes BASE (fee —) — the usual way to top up a wallet or an exchange that speaks one network only.
- A road both waysThe USDC BASE → USDC Optimism direction is open too, so going back into USDC takes the same route.
USDC Optimism → USDC BASE rate and amounts
1 USDC Optimism = 1.0001 USDC BASE
1 USDC BASE = 0.9999 USDC Optimism
Send USDC Optimism — receive USDC BASE
| USDC Optimism | USDC BASE |
|---|---|
| 20 | 20.002 |
| 100 | 100.01 |
| 500 | 500.05 |
| 5,000 | 5,000.5 |
| 20,000 | 20,002 |
| 100,000 | 100,010 |
Need USDC BASE — send this much USDC Optimism
| USDC BASE | USDC Optimism |
|---|---|
| 20 | 19.998 |
| 100 | 99.99 |
| 500 | 499.95 |
| 5,000 | 4,999.5 |
| 20,000 | 19,998 |
| 100,000 | 99,990 |
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 USDC Optimism | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 1.0001 | 200 USDC Optimism | ≈ $0.0099 | medium |
| Solana | 1.0001 | 200 USDC Optimism | ≈ $0.00049 | fast |
| Polygon | 1.0001 | 200 USDC Optimism | ≈ $0.0018 | fast |
| Arbitrum One | 1.0001 | — | ≈ $0.0032 | fast |
| BASE open now | 1.0001 | — | — | — |
| BNB Smart Chain (BEP20) | 1.0001 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 1.0001 | — | ≈ < $0.0001 | fast |
| NEAR | 1.0001 | — | — | — |
| XLM | 1.0001 | — | — | — |
How the USDC Optimism → USDC BASE order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in BASE and a way to reach you.
- Send USDC Optimism in Optimism for exactly the amount stated in the order.
- Once the network confirms your transfer, USD Coin BASE leaves for your address. The order page tracks every step.
Check this before sending USDC Optimism
- The address network is BASE. 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 USDC Optimism to USDC BASE rate has been
high 1 USDC BASElow 1 USDC BASE
Sep 10, 2026 04:08Sep 17, 2026 04:08
- 24 hours
- 0%
- Week
- 0%
- Weekly high
- 1 USDC BASE
- Weekly low
- 1 USDC BASE
- Spread
- 0%
Market data from CoinGecko as of Sep 17, 2026 03:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDC Optimism/USDC BASE travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 1 | 1 | 1 | 0% |
| Week | 1 | 1 | 1 | 0% |
Figures are in USDC BASE per unit sent, from market data.
The numbers on USDC
USD Coin USDC- Price
- $0.999642
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.61 B
- 24-hour turnover
- $18.45 B
- Rank by cap
- #6
- In circulation
- 73.63 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 17, 2026 03:24.
Common questions: USDC Optimism → USDC BASE
What rate does USDC Optimism to USDC BASE run at?
As of Sep 17, 2026 04:03 it is 1 USDC Optimism = 1.0001 USDC BASE. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999742.
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 Optimism, and that one goes to the blockchain, not to us.
How long does USDC Optimism to USDC BASE 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.
Which network will USDC BASE arrive in?
The payout leaves in BASE. 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. 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.
Can I go back, USDC BASE to USDC Optimism?
Yes, the reverse direction is open: 1 USDC BASE = 1.0001 USDC Optimism. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send USDC Optimism, receive something else
USDC Optimism → USDS1.0007
USDC Optimism → USDT Arbitrum1.0007- USDC Optimism → USDT BEP201.0007
- USDC Optimism → USDT AVAX C1.0007
- USDC Optimism → USDT ERC201.0007
- USDC Optimism → USDT NEAR1.0007
- USDC Optimism → USDT OMNI1.0007
- USDC Optimism → USDT Optimism1.0007