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 Nov 2, 2026 02:29
- Payout network
- Optimism
- 24 hours
- −2.62%
The figure is indicative; the exact amount is locked in the order.
One ETHFI buys 0.616468 USDC Optimism right now; the other way round, 1 USDC Optimism is 1.6221 ETHFI. Market over 24 hours: ETHFI against USDC Optimism minus 2.62%. The week added minus 3.36%.
The weekly corridor ran from 0.572621 to 0.683227 USDC Optimism, a spread of 19.32%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Ether.fi sits 95th ($609.68 M) and USD Coin 6th ($71.5 B). Daily moves of ETHFI and USDC over 90 days line up at -0.03 (they travel apart).
Who takes the ETHFI → USDC Optimism route
- Sitting out the swingsETHFI moved −14.15% 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
Send ETHFI — receive USDC Optimism
| ETHFI | USDC Optimism |
|---|---|
| 20 | 12.3294 |
| 100 | 61.6468 |
| 500 | 308.2338 |
| 5,000 | 3,082.34 |
| 20,000 | 12,329.35 |
| 100,000 | 61,646.76 |
Need USDC Optimism — send this much ETHFI
| USDC Optimism | ETHFI |
|---|---|
| 20 | 32.4429 |
| 100 | 162.2145 |
| 500 | 811.0727 |
| 5,000 | 8,110.73 |
| 20,000 | 32,442.91 |
| 100,000 | 162,214.53 |
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) | 0.616468 | 335.0645 ETHFI | ≈ $0.0062 | medium |
| Solana | 0.616468 | 335.0645 ETHFI | ≈ $0.00047 | fast |
| Polygon | 0.616468 | 335.0645 ETHFI | ≈ $0.0016 | fast |
| Arbitrum One | 0.616468 | — | ≈ $0.0029 | fast |
| BASE | 0.616468 | — | — | — |
| BNB Smart Chain (BEP20) | 0.616468 | — | ≈ $0.0023 | fast |
| Avalanche C-Chain | 0.616468 | — | ≈ $0.0014 | fast |
| NEAR | 0.616468 | — | — | — |
| Optimism open now | 0.616468 | — | ≈ $0.00015 | fast |
| XLM | 0.616468 | — | — | — |
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
- 24 hours
- −2.62%
- Week
- −3.36%
- Weekly high
- 0.683227 USDC Optimism
- Weekly low
- 0.572621 USDC Optimism
- Spread
- 19.32%
Market data from CoinGecko as of Nov 1, 2026 23:54; 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 | 0.632828 | 0.609375 | 0.623034 | −2.62% |
| Week | 0.683227 | 0.572621 | 0.636046 | −3.36% |
| Month | 0.779708 | 0.606216 | 0.681021 | −14.15% |
| Quarter | 0.784735 | 0.356069 | 0.607195 | +55.84% |
Figures are in USDC Optimism per unit sent, from market data.
Daily ETHFI → USDC Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Nov 1, 2026 | 0.622957 USDC Optimism | +0.33% |
| Oct 31, 2026 | 0.620896 USDC Optimism | +2.42% |
| Oct 30, 2026 | 0.606216 USDC Optimism | −11.27% |
| Oct 29, 2026 | 0.683227 USDC Optimism | +2.69% |
| Oct 28, 2026 | 0.665357 USDC Optimism | +1.99% |
| Oct 27, 2026 | 0.652384 USDC Optimism | +4.41% |
| Oct 26, 2026 | 0.624839 USDC Optimism | +0.8% |
Daily RubyCash rate: ETHFI → USDC Optimism
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 1, 2026 | 0.615323 USDC Optimism | 0.610784 |
| Oct 31, 2026 | 0.628689 USDC Optimism | 0.628743 |
| Oct 30, 2026 | 0.61264 USDC Optimism | 0.596162 |
| Oct 29, 2026 | 0.619312 USDC Optimism | 0.617397 |
| Oct 28, 2026 | 0.684929 USDC Optimism | 0.681659 |
| Oct 27, 2026 | 0.670628 USDC Optimism | 0.668813 |
| Oct 26, 2026 | 0.639634 USDC Optimism | 0.64323 |
| Oct 25, 2026 | 0.637013 USDC Optimism | 0.619238 |
| Oct 24, 2026 | 0.618609 USDC Optimism | 0.61678 |
| Oct 22, 2026 | 0.660749 USDC Optimism | 0.66243 |
| Oct 21, 2026 | 0.712689 USDC Optimism | 0.72362 |
| Oct 20, 2026 | 0.721172 USDC Optimism | 0.715896 |
| Oct 19, 2026 | 0.6865 USDC Optimism | 0.669278 |
| Oct 18, 2026 | 0.671097 USDC Optimism | 0.66262 |
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 ETHFI and USDC
- Price
- $0.610618
- 24 hours
- −2.65%
- Week
- −3.7%
- Market cap
- $609.68 M
- 24-hour turnover
- $13.48 M
- Rank by cap
- #95
- In circulation
- 998.54 M ETHFI
- Record price
- $8.53
- Price
- $0.999728
- 24 hours
- −0.03%
- Week
- +0.01%
- Market cap
- $71.5 B
- 24-hour turnover
- $6.06 B
- Rank by cap
- #6
- In circulation
- 71.52 B USDC
- Record price
- $1.04
Source: CoinGecko, Nov 1, 2026 23:54.
Ether.fi against USD Coin
| Ether.fi (ETHFI) | USD Coin (USDC) | |
|---|---|---|
| Ticker | ETHFI | USDC |
| In circulation | 998.54 M ETHFI | 71.52 B USDC |
| Market cap | $609.68 M | $71.5 B |
| Rank by cap | #95 | #6 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2018 |
| Built by | — | Circle |
| Supply cap | — | no cap |
Daily moves of ETHFI and USDC over 90 days line up at -0.03 — they travel apart.