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%
You get 0.194903 USDT Optimism
Start the order
Rate
1 ADA = 0.194903 USDT Optimism
Up to
51,800,000 ADA

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

1 ADA = 0.194903 USDT Optimism
1 USDT Optimism = 5.1308 ADA

Send ADA — receive USDT Optimism

ADAUSDT Optimism
10019.4903
50097.4514
2,000389.8058
20,0003,898.06
100,00019,490.29
500,00097,451.45

Need USDT Optimism — send this much ADA

USDT OptimismADA
20102.6152
100513.076
5002,565.38
5,00025,653.8
20,000102,615.2
100,000513,076

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.

NetworkPer ADAFromNetwork feeSpeed
TRON (TRC20)0.194903405.2006 ADA≈ $2.1fast
Solana0.194903405.2006 ADA≈ $0.00047fast
Polygon0.194903405.2006 ADA≈ $0.0014fast
Arbitrum One0.194903405.2006 ADA≈ $0.003fast
TON0.194903405.2006 ADAlowfast
Ethereum (ERC20)0.194903405.2006 ADA≈ $0.0052medium
OMNI0.194903———
BNB Smart Chain (BEP20)0.194903984.3925 ADA≈ $0.0023fast
Avalanche C-Chain0.194903—≈ $0.0014fast
NEAR0.194903———
Optimism open now0.194903—≈ $0.00015fast

How the ADA → 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 ADA in Cardano 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 ADA for USDT Optimism

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

high 0.207939 USDT Optimismlow 0.187101 USDT Optimism
Oct 26, 2026 06:51Nov 2, 2026 06:51
high 0.270425 USDT Optimismlow 0.190541 USDT Optimism
Oct 2, 2026 03:00Nov 1, 2026 03:00
high 0.270425 USDT Optimismlow 0.174256 USDT Optimism
Aug 3, 2026 03:00Nov 1, 2026 03:00
high 0.613183 USDT Optimismlow 0.143821 USDT Optimism
Nov 2, 2025 03:00Nov 1, 2026 03:00
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

PeriodHighLowMiddleNet move
24 hours0.1939250.1915390.192941+0.04%
Week0.2079390.1871010.199053−5.99%
Month0.2704250.1905410.227765−21.49%
Quarter0.2704250.1742560.216355+2.05%

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

Daily ADA → USDT Optimism rate

DayCloseAgainst the day before
Nov 1, 20260.193426 USDT Optimism−0.95%
Oct 31, 20260.195283 USDT Optimism+2.49%
Oct 30, 20260.190541 USDT Optimism−7.53%
Oct 29, 20260.20605 USDT Optimism+0.06%
Oct 28, 20260.205929 USDT Optimism−0.36%
Oct 27, 20260.206676 USDT Optimism+1.26%
Oct 26, 20260.204108 USDT Optimism−1.95%

Daily RubyCash rate: ADA → USDT Optimism

DateRubyCash rateMarket rate
Nov 2, 20260.193795 USDT Optimism0.193137
Nov 1, 20260.19313 USDT Optimism0.192241
Oct 31, 20260.194323 USDT Optimism0.193174
Oct 30, 20260.195684 USDT Optimism0.192976
Oct 29, 20260.192236 USDT Optimism0.192241
Oct 28, 20260.206518 USDT Optimism0.206096
Oct 27, 20260.206735 USDT Optimism0.205481
Oct 26, 20260.205651 USDT Optimism0.205067
Oct 25, 20260.207073 USDT Optimism0.205919
Oct 24, 20260.208078 USDT Optimism0.206332
Oct 22, 20260.213827 USDT Optimism0.213027
Oct 21, 20260.227509 USDT Optimism0.228807
Oct 20, 20260.224757 USDT Optimism0.223711
Oct 19, 20260.219558 USDT Optimism0.217159

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

Cardano ADA
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
Tether USDT
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)
TickerADAUSDT
Typecoin of its own networktoken
Launched20172014
Built byCharles HoskinsonTether Limited
ConsensusProof of Stake (Ouroboros)—
Block~20 sec—
Supply cap45 B ADAno cap
Privacytransfers are public—
In circulation37.58 B ADA180.12 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.

Common questions: ADA → USDT Optimism

What rate does ADA to USDT Optimism run at?
As of Nov 2, 2026 06:49 it is 1 ADA = 0.194903 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.194738.
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 ADA, and that one goes to the blockchain, not to us.
How long does ADA to USDT Optimism take?
The clock starts with confirmations: the order goes into work once Cardano confirms your transfer. After that it comes down to how busy the network is. A block in Cardano closes in about 20 sec.
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 SOL, USDT Polygon, USDT Arbitrum, USDT TON, USDT BEP20, 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 ADA to USDT Optimism rate do this month?
The month came in at minus 21.49%. Low 0.190541, high 0.270425, middle 0.227765 USDT Optimism per ADA.
Can I go back, USDT Optimism to ADA?
Yes, the reverse direction is open: 1 USDT Optimism = 5.1721 ADA. The link sits right under the calculator.

Worth reading

Choose file
Give
Get
Exchange
days
hours