Swap Ether.fi (ETHFI) 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 03:48
- Payout network
- Optimism
- 24 hours
- −0.89%
You get
USDC Optimism
Start the order
USDC Optimism
The figure is indicative; the exact amount is locked in the order.
One ETHFI buys 0.59633 USDC Optimism right now; the other way round, 1 USDC Optimism is 1.6769 ETHFI. Market over 24 hours: ETHFI against USDC Optimism minus 0.89%. The week added minus 5.75%.
The weekly corridor ran from 0.579511 to 0.771234 USDC Optimism, a spread of 33.08%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Ether.fi sits 96th ($570.52 M) and USD Coin 6th ($73.61 B).
Who takes the ETHFI → USDC Optimism route
- Sitting out the swingsETHFI moved +16.21% over the past month. USDC tracks the dollar, so after the swap the value stops following ETHFI.
- A road both waysThe USDC Optimism → ETHFI direction is open too, so going back into ETHFI takes the same route.
ETHFI → USDC Optimism rate and amounts
1 ETHFI = 0.59633 USDC Optimism
1 USDC Optimism = 1.6769 ETHFI
Send ETHFI — receive USDC Optimism
| ETHFI | USDC Optimism |
|---|---|
| 20 | 11.9266 |
| 100 | 59.633 |
| 500 | 298.165 |
| 5,000 | 2,981.65 |
| 20,000 | 11,926.6 |
| 100,000 | 59,633 |
Need USDC Optimism — send this much ETHFI
| USDC Optimism | ETHFI |
|---|---|
| 20 | 33.5385 |
| 100 | 167.6924 |
| 500 | 838.462 |
| 5,000 | 8,384.62 |
| 20,000 | 33,538.48 |
| 100,000 | 167,692.4 |
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 ETHFI | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 0.59633 | 335.0645 ETHFI | ≈ $0.0093 | medium |
| Solana | 0.59633 | 335.0645 ETHFI | ≈ $0.00049 | fast |
| Polygon | 0.59633 | 335.0645 ETHFI | ≈ $0.0018 | fast |
| Arbitrum One | 0.59633 | — | ≈ $0.0032 | fast |
| BASE | 0.59633 | — | — | — |
| BNB Smart Chain (BEP20) | 0.59633 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 0.59633 | — | ≈ < $0.0001 | fast |
| NEAR | 0.59633 | — | — | — |
| Optimism open now | 0.59633 | — | ≈ $0.00016 | fast |
| XLM | 0.59633 | — | — | — |
How the ETHFI → 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 ETHFI in Ether.fi 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 ETHFI
- 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 ETHFI to USDC Optimism rate has been
high 0.771234 USDC Optimismlow 0.579511 USDC Optimism
Sep 10, 2026 03:52Sep 17, 2026 03:52
- 24 hours
- −0.89%
- Week
- −5.75%
- Weekly high
- 0.771234 USDC Optimism
- Weekly low
- 0.579511 USDC Optimism
- Spread
- 33.08%
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 ETHFI/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.597929 | 0.579511 | 0.586473 | −0.89% |
| Week | 0.771234 | 0.579511 | 0.650736 | −5.75% |
Figures are in USDC Optimism per unit sent, from market data.
The numbers on ETHFI and USDC
Ether.fi ETHFI- Price
- $0.591035
- 24 hours
- −0.9%
- Week
- −2.6%
- Market cap
- $570.52 M
- 24-hour turnover
- $31.6 M
- Rank by cap
- #96
- In circulation
- 965.35 M ETHFI
- Record price
- $8.53
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.
Ether.fi against USD Coin
| Ether.fi (ETHFI) | USD Coin (USDC) | |
|---|---|---|
| Ticker | ETHFI | USDC |
| In circulation | 965.35 M ETHFI | 73.63 B USDC |
| Market cap | $570.52 M | $73.61 B |
| Rank by cap | #96 | #6 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2018 |
| Built by | — | Circle |
| Supply cap | — | no cap |
Common questions: ETHFI → USDC Optimism
What rate does ETHFI to USDC Optimism run at?
As of Sep 17, 2026 03:48 it is 1 ETHFI = 0.59633 USDC Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.596116.
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 ETHFI, and that one goes to the blockchain, not to us.
How long does ETHFI to USDC Optimism take?
The clock starts with confirmations: the order goes into work once Ether.fi 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.
Can I go back, USDC Optimism to ETHFI?
Yes, the reverse direction is open: 1 USDC Optimism = 1.6904 ETHFI. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send ETHFI, receive something else
ETHFI → USDS0.594893
ETHFI → USDT Arbitrum0.596688- ETHFI → USDT BEP200.596688
- ETHFI → USDT AVAX C0.596688
- ETHFI → USDT ERC200.596688
- ETHFI → USDT NEAR0.596688
- ETHFI → USDT OMNI0.596688
- ETHFI → USDT Optimism0.596688
