Swap Cardano (ADA) for Tether (USDT 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 06:49
- Payout network
- Optimism
- 24 hours
- +0.04%
The figure is indicative; the exact amount is locked in the order.
Today ADA goes for 0.194903 USDT Optimism, and USDT Optimism goes for 5.1308 ADA. Market over 24 hours: ADA against USDT Optimism plus 0.04%. The week added minus 5.99%.
The weekly corridor ran from 0.187101 to 0.207939 USDT Optimism, a spread of 11.14%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Cardano sits 18th ($7.25 B) and Tether 3th ($179.97 B). Daily moves of ADA and USDT over 90 days line up at 0.17 (they travel apart).
Who takes the ADA → USDT Optimism route
- Sitting out the swingsADA moved −21.52% over the past month. USDT tracks the dollar, so after the swap the value stops following ADA.
- A road both waysThe USDT Optimism → ADA direction is open too, so going back into ADA takes the same route.
ADA → USDT Optimism rate and amounts
Send ADA — receive USDT Optimism
| ADA | USDT Optimism |
|---|---|
| 100 | 19.4903 |
| 500 | 97.4514 |
| 2,000 | 389.8058 |
| 20,000 | 3,898.06 |
| 100,000 | 19,490.29 |
| 500,000 | 97,451.45 |
Need USDT Optimism — send this much ADA
| USDT Optimism | ADA |
|---|---|
| 20 | 102.6152 |
| 100 | 513.076 |
| 500 | 2,565.38 |
| 5,000 | 25,653.8 |
| 20,000 | 102,615.2 |
| 100,000 | 513,076 |
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 ADA | From | Network fee | Speed |
|---|---|---|---|---|
| TRON (TRC20) | 0.194903 | 405.2006 ADA | ≈ $2.1 | fast |
| Solana | 0.194903 | 405.2006 ADA | ≈ $0.00047 | fast |
| Polygon | 0.194903 | 405.2006 ADA | ≈ $0.0014 | fast |
| Arbitrum One | 0.194903 | 405.2006 ADA | ≈ $0.003 | fast |
| TON | 0.194903 | 405.2006 ADA | low | fast |
| Ethereum (ERC20) | 0.194903 | 405.2006 ADA | ≈ $0.0052 | medium |
| OMNI | 0.194903 | — | — | — |
| BNB Smart Chain (BEP20) | 0.194903 | 984.3925 ADA | ≈ $0.0023 | fast |
| Avalanche C-Chain | 0.194903 | — | ≈ $0.0014 | fast |
| NEAR | 0.194903 | — | — | — |
| Optimism open now | 0.194903 | — | ≈ $0.00015 | fast |
How the ADA → USDT Optimism order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDT address in Optimism and a way to reach you.
- Send ADA in Cardano 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 ADA
- 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 ADA to USDT Optimism rate has been
- 24 hours
- +0.04%
- Week
- −5.99%
- Weekly high
- 0.207939 USDT Optimism
- Weekly low
- 0.187101 USDT Optimism
- Spread
- 11.14%
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 ADA/USDT Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.193925 | 0.191539 | 0.192941 | +0.04% |
| Week | 0.207939 | 0.187101 | 0.199053 | −5.99% |
| Month | 0.270425 | 0.190541 | 0.227765 | −21.49% |
| Quarter | 0.270425 | 0.174256 | 0.216355 | +2.05% |
Figures are in USDT Optimism per unit sent, from market data.
Daily ADA → USDT Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Nov 1, 2026 | 0.193426 USDT Optimism | −0.95% |
| Oct 31, 2026 | 0.195283 USDT Optimism | +2.49% |
| Oct 30, 2026 | 0.190541 USDT Optimism | −7.53% |
| Oct 29, 2026 | 0.20605 USDT Optimism | +0.06% |
| Oct 28, 2026 | 0.205929 USDT Optimism | −0.36% |
| Oct 27, 2026 | 0.206676 USDT Optimism | +1.26% |
| Oct 26, 2026 | 0.204108 USDT Optimism | −1.95% |
Daily RubyCash rate: ADA → USDT Optimism
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 2, 2026 | 0.193795 USDT Optimism | 0.193137 |
| Nov 1, 2026 | 0.19313 USDT Optimism | 0.192241 |
| Oct 31, 2026 | 0.194323 USDT Optimism | 0.193174 |
| Oct 30, 2026 | 0.195684 USDT Optimism | 0.192976 |
| Oct 29, 2026 | 0.192236 USDT Optimism | 0.192241 |
| Oct 28, 2026 | 0.206518 USDT Optimism | 0.206096 |
| Oct 27, 2026 | 0.206735 USDT Optimism | 0.205481 |
| Oct 26, 2026 | 0.205651 USDT Optimism | 0.205067 |
| Oct 25, 2026 | 0.207073 USDT Optimism | 0.205919 |
| Oct 24, 2026 | 0.208078 USDT Optimism | 0.206332 |
| Oct 22, 2026 | 0.213827 USDT Optimism | 0.213027 |
| Oct 21, 2026 | 0.227509 USDT Optimism | 0.228807 |
| Oct 20, 2026 | 0.224757 USDT Optimism | 0.223711 |
| Oct 19, 2026 | 0.219558 USDT Optimism | 0.217159 |
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 ADA and USDT
- Price
- $0.192974
- 24 hours
- +0.01%
- Week
- −5.9%
- Market cap
- $7.25 B
- 24-hour turnover
- $160.87 M
- Rank by cap
- #18
- In circulation
- 37.58 B ADA
- Record price
- $3.09
- 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
Source: CoinGecko, Nov 2, 2026 03:54.
Cardano against Tether
| Cardano (ADA) | Tether (USDT) | |
|---|---|---|
| Ticker | ADA | USDT |
| Type | coin of its own network | token |
| Launched | 2017 | 2014 |
| Built by | Charles Hoskinson | Tether Limited |
| Consensus | Proof of Stake (Ouroboros) | — |
| Block | ~20 sec | — |
| Supply cap | 45 B ADA | no cap |
| Privacy | transfers are public | — |
| In circulation | 37.58 B ADA | 180.12 B USDT |
| Market cap | $7.25 B | $179.97 B |
| Rank by cap | #18 | #3 |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
Daily moves of ADA and USDT over 90 days line up at 0.17 — they travel apart.