Swap Ethereum (ETH BASE) 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 09:18
- Payout network
- Optimism
- 24 hours
- +1.56%
The figure is indicative; the exact amount is locked in the order.
Today ETH BASE goes for 2,450.4 USDC Optimism, and USDC Optimism goes for 0.000408096 ETH BASE. Market over 24 hours: ETH BASE against USDC Optimism plus 1.56%. The week added minus 1.75%.
The weekly corridor ran from 2,388.5 to 2,607.12 USDC Optimism, a spread of 9.15%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Ethereum sits 2th ($297.7 B) and USD Coin 6th ($73.69 B). Daily moves of ETH and USDC over 90 days line up at 0 (they travel apart).
Who takes the ETH BASE → USDC Optimism route
- Sitting out the swingsETH moved +27.59% over the past month. USDC tracks the dollar, so after the swap the value stops following ETH.
- A road both waysThe USDC Optimism → ETH BASE direction is open too, so going back into ETH takes the same route.
ETH BASE → USDC Optimism rate and amounts
Send ETH BASE — receive USDC Optimism
| ETH BASE | USDC Optimism |
|---|---|
| 0.005 | 12.252 |
| 0.02 | 49.008 |
| 0.1 | 245.0402 |
| 1 | 2,450.4 |
| 5 | 12,252.01 |
| 20 | 49,008.04 |
Need USDC Optimism — send this much ETH BASE
| USDC Optimism | ETH BASE |
|---|---|
| 20 | 0.00816193 |
| 100 | 0.0408096 |
| 500 | 0.204048 |
| 5,000 | 2.0405 |
| 20,000 | 8.1619 |
| 100,000 | 40.8096 |
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 ETH BASE | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 2,450.4 | 0.0823137 ETH BASE | ≈ $0.0077 | medium |
| Solana | 2,450.4 | 0.0823137 ETH BASE | ≈ $0.0005 | fast |
| Polygon | 2,450.4 | 0.0823137 ETH BASE | ≈ $0.0017 | fast |
| Arbitrum One | 2,450.4 | — | ≈ $0.0032 | fast |
| BASE | 2,450.4 | — | — | — |
| BNB Smart Chain (BEP20) | 2,450.4 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 2,450.4 | — | ≈ < $0.0001 | fast |
| NEAR | 2,450.4 | — | — | — |
| Optimism open now | 2,450.4 | — | ≈ $0.00016 | fast |
| XLM | 2,450.4 | — | — | — |
How the ETH BASE → 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 ETH BASE in BASE 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 ETH BASE
- 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 ETH BASE to USDC Optimism rate has been
- 24 hours
- +1.56%
- Week
- −1.75%
- Weekly high
- 2,607.12 USDC Optimism
- Weekly low
- 2,388.5 USDC Optimism
- Spread
- 9.15%
Market data from CoinGecko as of Sep 17, 2026 08:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far ETH BASE/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 2,434.85 | 2,388.5 | 2,406.55 | +1.56% |
| Week | 2,607.12 | 2,388.5 | 2,479.01 | −1.75% |
| Month | 2,525.49 | 1,875.25 | 2,402.72 | +27.56% |
| Quarter | 2,525.49 | 1,567.16 | 2,008.9 | +36.72% |
Figures are in USDC Optimism per unit sent, from market data.
Daily ETH BASE → USDC Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 16, 2026 | 2,392.16 USDC Optimism | −4.89% |
| Sep 15, 2026 | 2,515.06 USDC Optimism | +1.53% |
| Sep 14, 2026 | 2,477.08 USDC Optimism | −1.92% |
| Sep 13, 2026 | 2,525.49 USDC Optimism | +0.41% |
| Sep 12, 2026 | 2,515.23 USDC Optimism | +3.18% |
| Sep 11, 2026 | 2,437.77 USDC Optimism | −1.22% |
| Sep 10, 2026 | 2,467.82 USDC Optimism | −0.69% |
The numbers on ETH and USDC
- Price
- $2,438.79
- 24 hours
- +1.55%
- Week
- −1.3%
- Market cap
- $297.7 B
- 24-hour turnover
- $16.23 B
- Rank by cap
- #2
- In circulation
- 122.06 M ETH
- Record price
- $4,946.05
- Price
- $0.999596
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.69 B
- 24-hour turnover
- $18.44 B
- Rank by cap
- #6
- In circulation
- 73.72 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 17, 2026 08:24.
Ethereum against USD Coin
| Ethereum (ETH) | USD Coin (USDC) | |
|---|---|---|
| Ticker | ETH | USDC |
| Type | coin of its own network | token |
| Network | BASE | Optimism |
| Launched | 2015 | 2018 |
| Built by | Vitalik Buterin | Circle |
| Consensus | Proof of Stake | — |
| Block | ~12 sec | — |
| Supply cap | no cap | no cap |
| Privacy | transfers are public | — |
| In circulation | 122.06 M ETH | 73.72 B USDC |
| Market cap | $297.7 B | $73.69 B |
| Rank by cap | #2 | #6 |
| Fees are paid in | — | ETH |
Daily moves of ETH and USDC over 90 days line up at 0 — they travel apart.