Tether (USDT Arbitrum) → Ether.fi (ETHFI)


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 as of Sep 30, 2026 17:45
- Orders from
- 100.67 USDT Arbitrum ≈ $100.63
- Payout network
- Ether.fi
- 24 hours
- −0.45%
Current maths: 1.2852 ETHFI for every USDT Arbitrum, and 0.778108 USDT Arbitrum per ETHFI in reverse. Over 24 hours USDT Arbitrum/ETHFI came in at minus 0.45%. Over the week, minus 8.54%.
The weekly range ran from 1.2753 to 1.5648 ETHFI, a spread of 22.7%. One order takes from 100.67 to 10,000,000 USDT Arbitrum. In dollars that is roughly $100.63.
Market capitalisation puts Tether at No. 3 ($183.8 B) and Ether.fi at No. 93 ($738.74 M). Over 90 days the daily moves of USDT and ETHFI correlate at 0.01 (they travel apart).
Rate and amounts for USDT Arbitrum → ETHFI
| USDT Arbitrum | ETHFI |
|---|---|
| 200 | 257.0338 |
| 1,000 | 1,285.17 |
| 2,000 | 2,570.34 |
| 10,000 | 12,851.69 |
| 20,000 | 25,703.38 |
| 100,000 | 128,516.9 |
| ETHFI | USDT Arbitrum |
|---|---|
| 200 | 155.6216 |
| 1,000 | 778.1078 |
| 2,000 | 1,556.22 |
| 10,000 | 7,781.08 |
| 20,000 | 15,562.16 |
| 100,000 | 77,810.78 |
How the USDT Arbitrum → ETHFI exchange runs
- Work out the amount in the calculator — orders start at 100.67 USDT Arbitrum.
- Give a ETHFI address on Ether.fi and a contact for the order.
- Send USDT Arbitrum on Arbitrum One, exactly the amount the order shows.
- Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends Ether.fi to your address. The order page shows the status.
Check this before sending USDT Arbitrum
- The address network is Ether.fi. Sending through another network almost always means losing the transfer.
- The transfer must not be smaller than 100.67 USDT Arbitrum.
- 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 USDT Arbitrum to ETHFI rate has moved
- 24 hours
- −0.45%
- Week
- −8.54%
- Weekly high
- 1.5648 ETHFI
- Weekly low
- 1.2753 ETHFI
- Spread
- 22.7%
Market data from CoinGecko as of Sep 30, 2026 17:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted
The USDT Arbitrum/ETHFI spread by period
| Period | High | Low | Middle | Period result |
|---|---|---|---|---|
| 24 hours | 1.3192 | 1.2753 | 1.299 | −0.45% |
| Week | 1.5648 | 1.2753 | 1.4136 | −8.54% |
| Month | 1.9133 | 1.3047 | 1.5643 | −31.81% |
| Quarter | 3.1243 | 1.3047 | 2.0585 | −58.24% |
Figures are in ETHFI per unit of the currency you send, taken from market data.
Daily USDT Arbitrum → ETHFI rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 30, 2026 | 1.3047 ETHFI | −7.45% |
| Sep 29, 2026 | 1.4096 ETHFI | +1.5% |
| Sep 28, 2026 | 1.3888 ETHFI | +1.37% |
| Sep 27, 2026 | 1.3701 ETHFI | −1.38% |
| Sep 26, 2026 | 1.3893 ETHFI | −5.63% |
| Sep 25, 2026 | 1.4722 ETHFI | −4.52% |
| Sep 24, 2026 | 1.5419 ETHFI | +9.2% |
Market data: USDT and ETHFI
- Price
- $0.999632
- 24 hours
- −0.01%
- Week
- −0.02%
- Market cap
- $183.8 B
- 24-hour turnover
- $55.25 B
- Rank by cap
- #3
- In circulation
- 183.87 B USDT
- All-time high
- $1.32
- Price
- $0.765573
- 24 hours
- +0.44%
- Week
- +7.39%
- Market cap
- $738.74 M
- 24-hour turnover
- $84.91 M
- Rank by cap
- #93
- In circulation
- 965.35 M ETHFI
- All-time high
- $8.53
Source: CoinGecko, Sep 30, 2026 17:27.
Tether and Ether.fi: how they differ
| Tether (USDT) | Ether.fi (ETHFI) | |
|---|---|---|
| Ticker | USDT | ETHFI |
| Type | token | — |
| Network | Arbitrum One | — |
| Fees are paid in | ETH | — |
| Launched | 2014 | — |
| Built by | Tether Limited | — |
| Supply cap | no cap | — |
| In circulation | 183.87 B USDT | 965.35 M ETHFI |
| Market cap | $183.8 B | $738.74 M |
| Rank by cap | #3 | #93 |
Daily moves of USDT and ETHFI over the quarter link at 0.01 (they travel apart).
Why people take the USDT Arbitrum → ETHFI route
- Entering ETHFI from dollarsUSDT goes into Ether.fi in one step, with no coin in between: over the last month ETHFI posted +46.61%.
- A DeFi protocol tokenEther.fi belongs to decentralised finance: holders govern the protocol with it and pay for operations inside it.
- Different basketsDaily moves of USDT and ETHFI over 90 days link at 0.01 (they travel apart) — the weaker the link, the less a portfolio rests on one coin.