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%
You get 61.0228 USDT Optimism
Start the order
Rate
1 QNT = 61.0228 USDT Optimism
Up to
165,000 QNT

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

1 QNT = 61.0228 USDT Optimism
1 USDT Optimism = 0.0163873 QNT

Send QNT — receive USDT Optimism

QNTUSDT Optimism
0.212.2046
161.0228
5305.1139
503,051.14
20012,204.56
1,00061,022.78

Need USDT Optimism — send this much QNT

USDT OptimismQNT
200.327746
1001.6387
5008.1937
5,00081.9366
20,000327.7464
100,0001,638.73

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.

NetworkPer QNTFromNetwork feeSpeed
OMNI61.0228
Ethereum (ERC20)61.02283.3557 QNT≈ $0.0083medium
TRON (TRC20)61.02283.3557 QNT≈ $2.3fast
BNB Smart Chain (BEP20)61.02283.3557 QNT≈ $0.0024fast
Solana61.02283.3557 QNT≈ $0.0005fast
Polygon61.02283.3557 QNT≈ $0.0017fast
Arbitrum One61.02283.3557 QNT≈ $0.0032fast
TON61.02283.3557 QNTlowfast
Avalanche C-Chain61.0228≈ < $0.0001fast
NEAR61.0228
Optimism open now61.0228≈ $0.00016fast

How the QNT → USDT Optimism order runs

  1. Work out the amount in the calculator and press the exchange button.
  2. Enter a USDT address in Optimism and a way to reach you.
  3. Send QNT in Quant for exactly the amount stated in the order.
  4. Once the network confirms your transfer, Tether leaves for your address. The order page tracks every step.

Swap QNT for USDT Optimism

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

high 65.813 USDT Optimismlow 59.2181 USDT Optimism
Sep 11, 2026 02:21Sep 18, 2026 02:21
high 67.1544 USDT Optimismlow 55.9389 USDT Optimism
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 71.9896 USDT Optimismlow 55.9389 USDT Optimism
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 106.6019 USDT Optimismlow 55.9389 USDT Optimism
Sep 18, 2025 03:00Sep 17, 2026 03:00
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

PeriodHighLowMiddleNet move
24 hours61.553660.395161.11+0.38%
Week65.81359.218163.017−5.64%
Month67.154455.938963.1682+6.72%
Quarter71.989655.938963.722−13.22%

Figures are in USDT Optimism per unit sent, from market data.

Daily QNT → USDT Optimism rate

DayCloseAgainst the day before
Sep 17, 202660.788 USDT Optimism−0.69%
Sep 16, 202661.2103 USDT Optimism−5.09%
Sep 15, 202664.4903 USDT Optimism+2.19%
Sep 14, 202663.1082 USDT Optimism−1.26%
Sep 13, 202663.9141 USDT Optimism+0.9%
Sep 12, 202663.3415 USDT Optimism−1.87%
Sep 11, 202664.5501 USDT Optimism−3.88%

The numbers on QNT and USDT

Quant QNT
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
Tether USDT
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)
TickerQNTUSDT
In circulation14.54 M QNT183.44 B USDT
Market cap$883.44 M$183.32 B
Rank by cap#79#3
Typetoken
NetworkOptimism
Fees are paid inETH
Launched2014
Built byTether Limited
Supply capno cap

Daily moves of QNT and USDT over 90 days line up at 0.07 — they travel apart.

Common questions: QNT → USDT Optimism

What rate does QNT to USDT Optimism run at?
As of Sep 18, 2026 02:18 it is 1 QNT = 61.0228 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $60.98.
What else is taken on top of the rate?
The payout is already calculated at the rate in the calculator. On top of it you only pay the network fee for sending QNT, and that one goes to the blockchain, not to us.
How long does QNT to USDT Optimism take?
The clock starts with confirmations: the order goes into work once Quant confirms your transfer. After that it comes down to how busy the network is.
Which network will USDT Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDT cheaper?
The cheapest is usually USDT BEP20, USDT SOL, USDT Polygon, USDT Arbitrum, USDT TON, USDT AVAX C, USDT Optimism. Still, the network is chosen by what the recipient supports, not by the fee.
What if the rate moves while I am paying?
The rate is pinned to the order and does not move while the order is alive. It can be recalculated if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
What did the QNT to USDT Optimism rate do this month?
The month came in at plus 6.72%. Low 55.9389, high 67.1544, middle 63.1682 USDT Optimism per QNT.
Can I go back, USDT Optimism to QNT?
Yes, the reverse direction is open: 1 USDT Optimism = 0.0164698 QNT. The link sits right under the calculator.

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