Swap Tether (USDT Optimism) for Arbitrum (ARB)
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 04:39
- Payout network
- Arbitrum
- 24 hours
- +0.09%
The direction runs at 6.0943 ARB per USDT Optimism, or 0.164088 USDT Optimism per ARB. Market over 24 hours: USDT Optimism against ARB plus 0.09%. The week added plus 3%.
The weekly corridor ran from 5.6944 to 6.5197 ARB, a spread of 14.49%.
By market cap Tether sits 3th ($179.97 B) and Arbitrum 70th ($1.13 B). Daily moves of USDT and ARB over 90 days line up at 0.12 (they travel apart).
Who takes the USDT Optimism → ARB route
- Entering ARB from dollarsFrom USDT you step into Arbitrum directly, with no coin in between: over the past month ARB moved −18.72%.
- A DeFi protocol tokenArbitrum lives inside decentralised finance: it governs the protocol and pays for what happens in it.
- Different basketsDaily moves of USDT and ARB over 90 days line up at 0.12 (they travel apart) — the looser the link, the less a portfolio depends on one coin.
USDT Optimism → ARB rate and amounts
Send USDT Optimism — receive ARB
| USDT Optimism | ARB |
|---|---|
| 20 | 121.8857 |
| 100 | 609.4286 |
| 500 | 3,047.14 |
| 5,000 | 30,471.43 |
| 20,000 | 121,885.71 |
| 100,000 | 609,428.57 |
Need ARB — send this much USDT Optimism
| ARB | USDT Optimism |
|---|---|
| 100 | 16.4088 |
| 500 | 82.0441 |
| 2,000 | 328.1763 |
| 20,000 | 3,281.76 |
| 100,000 | 16,408.81 |
| 500,000 | 82,044.07 |
How the USDT Optimism → ARB order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a ARB address in Arbitrum and a way to reach you.
- Send USDT Optimism in Optimism for exactly the amount stated in the order.
- Once the network confirms your transfer, Arbitrum leaves for your address. The order page tracks every step.
Check this before sending USDT Optimism
- The address network is Arbitrum. 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 USDT Optimism to ARB rate has been
- 24 hours
- +0.09%
- Week
- +3%
- Weekly high
- 6.5197 ARB
- Weekly low
- 5.6944 ARB
- Spread
- 14.49%
Market data from CoinGecko as of Nov 2, 2026 03:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDT Optimism/ARB travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 6.1507 | 6.0234 | 6.0963 | +0.09% |
| Week | 6.5197 | 5.6944 | 6.0341 | +3% |
| Month | 6.4721 | 4.8078 | 5.4727 | +22.98% |
| Quarter | 13.7398 | 4.2555 | 7.7333 | −49.78% |
Figures are in ARB per unit sent, from market data.
Daily USDT Optimism → ARB rate
| Day | Close | Against the day before |
|---|---|---|
| Nov 1, 2026 | 6.1559 ARB | +0.37% |
| Oct 31, 2026 | 6.1335 ARB | −5.23% |
| Oct 30, 2026 | 6.4721 ARB | +11.48% |
| Oct 29, 2026 | 5.8054 ARB | −2.82% |
| Oct 28, 2026 | 5.9741 ARB | +0.81% |
| Oct 27, 2026 | 5.9259 ARB | +0.01% |
| Oct 26, 2026 | 5.9251 ARB | +0.38% |
Daily RubyCash rate: USDT Optimism → ARB
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 2, 2026 | 6.1353 ARB | 6.1171 |
| Nov 1, 2026 | 6.1129 ARB | 6.1032 |
| Oct 31, 2026 | 6.1054 ARB | 6.0718 |
| Oct 30, 2026 | 6.196 ARB | 6.1248 |
| Oct 29, 2026 | 6.514 ARB | 6.4573 |
| Oct 28, 2026 | 5.815 ARB | 5.7718 |
| Oct 27, 2026 | 6.0247 ARB | 5.9876 |
| Oct 26, 2026 | 6.0319 ARB | 5.9469 |
| Oct 25, 2026 | 5.9006 ARB | 5.9363 |
| Oct 24, 2026 | 5.9887 ARB | 5.9663 |
| Oct 22, 2026 | 5.5418 ARB | 5.5401 |
| Oct 21, 2026 | 5.257 ARB | 5.1122 |
| Oct 20, 2026 | 5.3325 ARB | 5.2493 |
| Oct 19, 2026 | 5.0811 ARB | 5.212 |
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 USDT and ARB
- Price
- $0.999154
- 24 hours
- −0.03%
- Week
- 0%
- Market cap
- $179.97 B
- 24-hour turnover
- $27.4 B
- Rank by cap
- #3
- In circulation
- 180.12 B USDT
- Record price
- $1.32
- Price
- $0.163337
- 24 hours
- −0.12%
- Week
- −3.34%
- Market cap
- $1.13 B
- 24-hour turnover
- $97.78 M
- Rank by cap
- #70
- In circulation
- 6.89 B ARB
- Record price
- $2.39
Source: CoinGecko, Nov 2, 2026 03:54.
Tether against Arbitrum
| Tether (USDT) | Arbitrum (ARB) | |
|---|---|---|
| Ticker | USDT | ARB |
| Type | token | token |
| Network | Optimism | — |
| Fees are paid in | ETH | — |
| Launched | 2014 | 2023 |
| Built by | Tether Limited | Offchain Labs |
| Supply cap | no cap | 10 B ARB |
| In circulation | 180.12 B USDT | 6.89 B ARB |
| Market cap | $179.97 B | $1.13 B |
| Rank by cap | #3 | #70 |
Daily moves of USDT and ARB over 90 days line up at 0.12 — they travel apart.