Swap Ether.fi (ETHFI) for Tether (USDT Polygon)
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 02:34
- Orders from
- 335.0645 ETHFI ≈ $204.60
- Payout network
- Polygon
- 24 hours
- −2.62%
The figure is indicative; the exact amount is locked in the order.
One ETHFI buys 0.617 USDT Polygon right now; the other way round, 1 USDT Polygon is 1.6207 ETHFI. Market over 24 hours: ETHFI against USDT Polygon minus 2.62%. The week added minus 3.35%.
The weekly corridor ran from 0.572993 to 0.683527 USDT Polygon, a spread of 19.29%. A single order takes 335.0645 to 16,400,000 ETHFI. In dollars that is roughly $204.60.
The payout leaves in the Polygon network, so the receiving address has to belong to that network. By market cap Ether.fi sits 95th ($609.68 M) and Tether 3th ($179.97 B). Daily moves of ETHFI and USDT over 90 days line up at 0.09 (they travel apart).
Who takes the ETHFI → USDT Polygon route
- Sitting out the swingsETHFI moved −14.15% over the past month. USDT tracks the dollar, so after the swap the value stops following ETHFI.
- A road both waysThe USDT Polygon → ETHFI direction is open too, so going back into ETHFI takes the same route.
ETHFI → USDT Polygon rate and amounts
Send ETHFI — receive USDT Polygon
| ETHFI | USDT Polygon |
|---|---|
| 500 | 308.4998 |
| 1,000 | 616.9997 |
| 5,000 | 3,085 |
| 10,000 | 6,170 |
| 50,000 | 30,849.98 |
| 100,000 | 61,699.97 |
Need USDT Polygon — send this much ETHFI
| USDT Polygon | ETHFI |
|---|---|
| 500 | 810.3732 |
| 1,000 | 1,620.75 |
| 5,000 | 8,103.73 |
| 10,000 | 16,207.46 |
| 50,000 | 81,037.32 |
| 100,000 | 162,074.64 |
Payout network for USDT
The same USDT 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 |
|---|---|---|---|---|
| OMNI | 0.617 | — | — | — |
| Ethereum (ERC20) | 0.617 | 335.0645 ETHFI | ≈ $0.0061 | medium |
| TRON (TRC20) | 0.617 | 335.0645 ETHFI | ≈ $2.1 | fast |
| BNB Smart Chain (BEP20) | 0.617 | 335.0645 ETHFI | ≈ $0.0023 | fast |
| Solana | 0.617 | 335.0645 ETHFI | ≈ $0.00047 | fast |
| Polygon open now | 0.617 | 335.0645 ETHFI | ≈ $0.0014 | fast |
| Arbitrum One | 0.617 | 335.0645 ETHFI | ≈ $0.0029 | fast |
| TON | 0.617 | 335.0645 ETHFI | low | fast |
| Avalanche C-Chain | 0.617 | — | ≈ $0.0014 | fast |
| NEAR | 0.617 | — | — | — |
| Optimism | 0.617 | — | ≈ $0.00015 | fast |
How the ETHFI → USDT Polygon order runs
- Work out the amount in the calculator: orders start at 335.0645 ETHFI.
- Enter a USDT address in Polygon 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, Tether leaves for your address. The order page tracks every step.
Check this before sending ETHFI
- The address network is Polygon. Sending through another network usually means losing the transfer.
- The transfer must not be smaller than 335.0645 ETHFI.
- 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 USDT Polygon rate has been
- 24 hours
- −2.62%
- Week
- −3.35%
- Weekly high
- 0.683527 USDT Polygon
- Weekly low
- 0.572993 USDT Polygon
- Spread
- 19.29%
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/USDT Polygon travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.633166 | 0.60974 | 0.623356 | −2.62% |
| Week | 0.683527 | 0.572993 | 0.63641 | −3.35% |
| Month | 0.779715 | 0.606717 | 0.681325 | −14.12% |
| Quarter | 0.784925 | 0.356201 | 0.607353 | +55.86% |
Figures are in USDT Polygon per unit sent, from market data.
Daily ETHFI → USDT Polygon rate
| Day | Close | Against the day before |
|---|---|---|
| Nov 1, 2026 | 0.623287 USDT Polygon | +0.32% |
| Oct 31, 2026 | 0.621308 USDT Polygon | +2.4% |
| Oct 30, 2026 | 0.606717 USDT Polygon | −11.24% |
| Oct 29, 2026 | 0.683527 USDT Polygon | +2.68% |
| Oct 28, 2026 | 0.665705 USDT Polygon | +1.97% |
| Oct 27, 2026 | 0.652825 USDT Polygon | +4.4% |
| Oct 26, 2026 | 0.625288 USDT Polygon | +0.82% |
Daily RubyCash rate: ETHFI → USDT Polygon
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 1, 2026 | 0.615692 USDT Polygon | 0.611131 |
| Oct 31, 2026 | 0.629569 USDT Polygon | 0.629073 |
| Oct 30, 2026 | 0.613681 USDT Polygon | 0.596541 |
| Oct 29, 2026 | 0.620117 USDT Polygon | 0.617764 |
| Oct 28, 2026 | 0.685477 USDT Polygon | 0.681942 |
| Oct 27, 2026 | 0.6715 USDT Polygon | 0.669162 |
| Oct 26, 2026 | 0.640529 USDT Polygon | 0.643644 |
| Oct 25, 2026 | 0.637714 USDT Polygon | 0.619546 |
| Oct 24, 2026 | 0.619413 USDT Polygon | 0.617056 |
| Oct 22, 2026 | 0.661344 USDT Polygon | 0.662793 |
| Oct 21, 2026 | 0.71333 USDT Polygon | 0.723858 |
| Oct 20, 2026 | 0.721676 USDT Polygon | 0.716289 |
| Oct 19, 2026 | 0.687186 USDT Polygon | 0.669749 |
| Oct 18, 2026 | 0.671902 USDT Polygon | 0.663009 |
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 USDT
- 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
- $0.99916
- 24 hours
- −0.04%
- Week
- +0.01%
- Market cap
- $179.97 B
- 24-hour turnover
- $25.81 B
- Rank by cap
- #3
- In circulation
- 180.12 B USDT
- Record price
- $1.32
Source: CoinGecko, Nov 1, 2026 23:54.
Ether.fi against Tether
| Ether.fi (ETHFI) | Tether (USDT) | |
|---|---|---|
| Ticker | ETHFI | USDT |
| In circulation | 998.54 M ETHFI | 180.12 B USDT |
| Market cap | $609.68 M | $179.97 B |
| Rank by cap | #95 | #3 |
| Type | — | token |
| Network | — | Polygon |
| Fees are paid in | — | POL |
| Launched | — | 2014 |
| Built by | — | Tether Limited |
| Supply cap | — | no cap |
Daily moves of ETHFI and USDT over 90 days line up at 0.09 — they travel apart.