Swap Quant (QNT) 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 Sep 18, 2026 02:18
- Payout network
- Optimism
- 24 hours
- +0.38%
The figure is indicative; the exact amount is locked in the order.
One QNT buys 61.0228 USDT Optimism right now; the other way round, 1 USDT Optimism is 0.0163873 QNT. Market over 24 hours: QNT against USDT Optimism plus 0.38%. The week added minus 5.64%.
The weekly corridor ran from 59.2181 to 65.813 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 Quant sits 79th ($883.44 M) and Tether 3th ($183.32 B). Daily moves of QNT and USDT over 90 days line up at 0.07 (they travel apart).
Who takes the QNT → USDT Optimism route
- Sitting out the swingsQNT moved +6.71% over the past month. USDT tracks the dollar, so after the swap the value stops following QNT.
- A road both waysThe USDT Optimism → QNT direction is open too, so going back into QNT takes the same route.
QNT → USDT Optimism rate and amounts
Send QNT — receive USDT Optimism
| QNT | USDT Optimism |
|---|---|
| 0.2 | 12.2046 |
| 1 | 61.0228 |
| 5 | 305.1139 |
| 50 | 3,051.14 |
| 200 | 12,204.56 |
| 1,000 | 61,022.78 |
Need USDT Optimism — send this much QNT
| USDT Optimism | QNT |
|---|---|
| 20 | 0.327746 |
| 100 | 1.6387 |
| 500 | 8.1937 |
| 5,000 | 81.9366 |
| 20,000 | 327.7464 |
| 100,000 | 1,638.73 |
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 QNT | From | Network fee | Speed |
|---|---|---|---|---|
| OMNI | 61.0228 | — | — | — |
| Ethereum (ERC20) | 61.0228 | 3.3557 QNT | ≈ $0.0083 | medium |
| TRON (TRC20) | 61.0228 | 3.3557 QNT | ≈ $2.3 | fast |
| BNB Smart Chain (BEP20) | 61.0228 | 3.3557 QNT | ≈ $0.0024 | fast |
| Solana | 61.0228 | 3.3557 QNT | ≈ $0.0005 | fast |
| Polygon | 61.0228 | 3.3557 QNT | ≈ $0.0017 | fast |
| Arbitrum One | 61.0228 | 3.3557 QNT | ≈ $0.0032 | fast |
| TON | 61.0228 | 3.3557 QNT | low | fast |
| Avalanche C-Chain | 61.0228 | — | ≈ < $0.0001 | fast |
| NEAR | 61.0228 | — | — | — |
| Optimism open now | 61.0228 | — | ≈ $0.00016 | fast |
How the QNT → 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 QNT in Quant 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 QNT
- 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 QNT to USDT Optimism rate has been
- 24 hours
- +0.38%
- Week
- −5.64%
- Weekly high
- 65.813 USDT Optimism
- Weekly low
- 59.2181 USDT Optimism
- Spread
- 11.14%
Market data from CoinGecko as of Sep 18, 2026 01:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far QNT/USDT Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 61.5536 | 60.3951 | 61.11 | +0.38% |
| Week | 65.813 | 59.2181 | 63.017 | −5.64% |
| Month | 67.1544 | 55.9389 | 63.1682 | +6.72% |
| Quarter | 71.9896 | 55.9389 | 63.722 | −13.22% |
Figures are in USDT Optimism per unit sent, from market data.
Daily QNT → USDT Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 60.788 USDT Optimism | −0.69% |
| Sep 16, 2026 | 61.2103 USDT Optimism | −5.09% |
| Sep 15, 2026 | 64.4903 USDT Optimism | +2.19% |
| Sep 14, 2026 | 63.1082 USDT Optimism | −1.26% |
| Sep 13, 2026 | 63.9141 USDT Optimism | +0.9% |
| Sep 12, 2026 | 63.3415 USDT Optimism | −1.87% |
| Sep 11, 2026 | 64.5501 USDT Optimism | −3.88% |
The numbers on QNT and USDT
- Price
- $60.79
- 24 hours
- +0.37%
- Week
- −6.9%
- Market cap
- $883.44 M
- 24-hour turnover
- $6.62 M
- Rank by cap
- #79
- In circulation
- 14.54 M QNT
- Record price
- $427.42
- Price
- $0.999311
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $183.32 B
- 24-hour turnover
- $50.47 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
Source: CoinGecko, Sep 18, 2026 01:24.
Quant against Tether
| Quant (QNT) | Tether (USDT) | |
|---|---|---|
| Ticker | QNT | USDT |
| In circulation | 14.54 M QNT | 183.44 B USDT |
| Market cap | $883.44 M | $183.32 B |
| Rank by cap | #79 | #3 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2014 |
| Built by | — | Tether Limited |
| Supply cap | — | no cap |
Daily moves of QNT and USDT over 90 days line up at 0.07 — they travel apart.