Ether.fi (ETHFI) → USD Coin (USDC Optimism)

The order runs on autopilot: the rate is locked when you create it, and the payout leaves as soon as the network confirms your transfer. No manual approval, no working hours.

Rate and amounts for ETHFI → USDC Optimism 1 ETHFI = 0.778847 USDC Optimism 1 USDC Optimism = 1.2839 ETHFI

Rate as of Oct 1, 2026 06:20

Orders from: 128.5204 ETHFI ≈ $99.43
Payout network: Optimism
24 hours: −0.05%

You send

ETHFI

You get 1,557.69

USDC Optimism

Create the order

Rate: 1 ETHFI = 0.778847 USDC Optimism
From: 128.5204 ETHFI
Up to: 12,900,000 ETHFI

Preliminary figure: the final amount is locked in the order.

Right now 1 ETHFI gets you 0.778847 USDC Optimism; the other way round, 1 USDC Optimism is 1.2839 ETHFI. Over 24 hours ETHFI/USDC Optimism came in at minus 0.05%. Over the week, plus 18.18%.

The weekly range ran from 0.648209 to 0.794843 USDC Optimism, a spread of 22.62%. One order takes from 128.5204 to 12,900,000 ETHFI. In dollars that is roughly $99.43.

The robot sends the payout in the Optimism network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts Ether.fi at No. 92 ($746.92 M) and USD Coin at No. 6 ($74 B). Over 90 days the daily moves of ETHFI and USDC correlate at -0.05 (they travel apart).

Which network USDC arrives in

The same USDC goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

Network	Per 1 ETHFI	From	Network fee	Speed
Ethereum (ERC20)	0.778847	128.5204 ETHFI	≈ $0.011	medium
Solana	0.778847	128.5204 ETHFI	≈ $0.00059	fast
Arbitrum One	0.778847	128.5204 ETHFI	≈ $0.0035	fast
BASE	0.778847	128.5204 ETHFI	—	—
BNB Smart Chain (BEP20)	0.778847	128.5204 ETHFI	≈ $0.0025	fast
Avalanche C-Chain	0.778847	128.5204 ETHFI	≈ $0.0035	fast
NEAR	0.778847	128.5204 ETHFI	—	—
Optimism open	0.778847	128.5204 ETHFI	≈ $0.00018	fast
Polygon	0.778847	128.5204 ETHFI	≈ $0.002	fast
XLM	0.778847	128.5204 ETHFI	—	—

ETHFI → USDC: all networks side by side Network charges for USDC

Rate and amounts for ETHFI → USDC Optimism

Send ETHFI — receive USDC OptimismNeed USDC Optimism — send this much ETHFI

ETHFI	USDC Optimism
200	155.7694
1,000	778.847
2,000	1,557.69
10,000	7,788.47
20,000	15,576.94
100,000	77,884.7

USDC Optimism	ETHFI
200	256.7898
1,000	1,283.95
2,000	2,567.9
10,000	12,839.49
20,000	25,678.98
100,000	128,394.92

How the ETHFI → USDC Optimism exchange runs

Work out the amount in the calculator — orders start at 128.5204 ETHFI.
Give a USDC address on Optimism and a contact for the order.
Send ETHFI on Ether.fi, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends USD Coin to your address. The order page shows the status.

Swap ETHFI for USDC Optimism

Check this before sending ETHFI

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 128.5204 ETHFI.
Copy the address in full, then check its first and last characters once it is pasted.
Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the ETHFI to USDC Optimism rate has moved

WeekMonthQuarterYear

high 0.794843 USDC Optimismlow 0.648209 USDC Optimism

Sep 24, 2026 06:21Oct 1, 2026 06:21

high 0.766771 USDC Optimismlow 0.522655 USDC Optimism

Aug 31, 2026 05:00Sep 30, 2026 05:00

high 0.766771 USDC Optimismlow 0.319908 USDC Optimism

Jul 2, 2026 05:00Sep 30, 2026 05:00

high 1.8261 USDC Optimismlow 0.28624 USDC Optimism

Oct 2, 2025 05:00Sep 30, 2026 05:00

24 hours: −0.05%
Week: +18.18%
Weekly high: 0.794843 USDC Optimism
Weekly low: 0.648209 USDC Optimism
Spread: 22.62%

Market data from CoinGecko as of Oct 1, 2026 05:57. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The ETHFI/USDC Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	0.794843	0.760622	0.770423	−0.05%
Week	0.794843	0.648209	0.716798	+18.18%
Month	0.766771	0.522655	0.64642	+46.71%
Quarter	0.766771	0.319908	0.511854	+139.68%

Figures are in USDC Optimism per unit of the currency you send, taken from market data.

Daily ETHFI → USDC Optimism rate

Day	Close	Against the day before
Sep 30, 2026	0.766771 USDC Optimism	+8.11%
Sep 29, 2026	0.709252 USDC Optimism	−1.49%
Sep 28, 2026	0.719986 USDC Optimism	−1.35%
Sep 27, 2026	0.72984 USDC Optimism	+1.4%
Sep 26, 2026	0.719737 USDC Optimism	+5.98%
Sep 25, 2026	0.67915 USDC Optimism	+4.72%
Sep 24, 2026	0.648526 USDC Optimism	−8.43%

Market data: ETHFI and USDC

Ether.fi ETHFI

Price: $0.773676
24 hours: −0.06%
Week: +21.51%
Market cap: $746.92 M
24-hour turnover: $53.94 M
Rank by cap: #92
In circulation: 965.35 M ETHFI
All-time high: $8.53

USD Coin USDC

Price: $0.999798
24 hours: 0%
Week: −0.01%
Market cap: $74 B
24-hour turnover: $18.51 B
Rank by cap: #6
In circulation: 74.01 B USDC
All-time high: $1.04

Source: CoinGecko, Oct 1, 2026 05:57.

Ether.fi and USD Coin: how they differ

	Ether.fi (ETHFI)	USD Coin (USDC)
Ticker	ETHFI	USDC
In circulation	965.35 M ETHFI	74.01 B USDC
Market cap	$746.92 M	$74 B
Rank by cap	#92	#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 the quarter link at -0.05 (they travel apart).

Why people take the ETHFI → USDC Optimism route

Stepping out of the swingsETHFI moved +46.7% over the past month. USDC tracks the dollar, so after the swap the amount stops following ETHFI.
It works both waysThe USDC Optimism → ETHFI direction is open as well — going back into ETHFI takes the same route and the same automation.

Common questions: ETHFI → USDC Optimism

What rate does ETHFI to USDC Optimism run at?

As of Oct 1, 2026 06:20 it is 1 ETHFI = 0.778847 USDC Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.77869.

What amounts does ETHFI → USDC Optimism accept?

From 128.5204 to 12,900,000 ETHFI per order. The floor is roughly $99.43.

Why can I not swap less than 128.5204 ETHFI?

The network fee and the handling do not depend on the amount. On a transfer below 128.5204 ETHFI they eat a noticeable share of it, and the swap stops making sense for either side.

Is anything charged on top of the rate?

No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending ETHFI, and the blockchain takes that one.

How long does swapping ETHFI for USDC Optimism take?

The clock starts with confirmations: as soon as Ether.fi confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant.

Which network will USDC Optimism arrive in?

The payout goes out on Optimism. Check that the receiving wallet supports that network.

Which network is cheaper for receiving USDC?

Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.

What happens if the rate moves while I am paying?

Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.

What did the ETHFI to USDC Optimism rate do over the month?

Over the month, plus 46.71%: a low of 0.522655, a high of 0.766771, an average of 0.64642 USDC Optimism per 1 ETHFI.

Can I swap back, USDC Optimism for ETHFI?

Yes, the reverse is open too: 1 USDC Optimism = 1.2839 ETHFI. The link to switch sits under the calculator.