Swap Starknet (STRK ERC20) 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 02:38
- Payout network
- Optimism
- 24 hours
- +3.91%
You get
USDT Optimism
Start the order
USDT Optimism
The figure is indicative; the exact amount is locked in the order.
Today STRK ERC20 goes for 0.0291131 USDT Optimism, and USDT Optimism goes for 34.3488 STRK ERC20. Market over 24 hours: STRK ERC20 against USDT Optimism plus 3.91%. The week added minus 0.36%.
The weekly corridor ran from 0.0262863 to 0.0296676 USDT Optimism, a spread of 12.86%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Starknet sits 170th ($206.1 M) and Tether 3th ($183.32 B). Daily moves of STRK and USDT over 90 days line up at -0.07 (they travel apart).
Who takes the STRK ERC20 → USDT Optimism route
- Sitting out the swingsSTRK moved +21.69% over the past month. USDT tracks the dollar, so after the swap the value stops following STRK.
- A road both waysThe USDT Optimism → STRK ERC20 direction is open too, so going back into STRK takes the same route.
STRK ERC20 → USDT Optimism rate and amounts
1 STRK ERC20 = 0.0291131 USDT Optimism
1 USDT Optimism = 34.3488 STRK ERC20
Send STRK ERC20 — receive USDT Optimism
| STRK ERC20 | USDT Optimism |
|---|---|
| 500 | 14.5565 |
| 2,000 | 58.2261 |
| 10,000 | 291.1307 |
| 100,000 | 2,911.31 |
| 500,000 | 14,556.54 |
| 2,000,000 | 58,226.15 |
Need USDT Optimism — send this much STRK ERC20
| USDT Optimism | STRK ERC20 |
|---|---|
| 20 | 686.9766 |
| 100 | 3,434.88 |
| 500 | 17,174.41 |
| 5,000 | 171,744.15 |
| 20,000 | 686,976.58 |
| 100,000 | 3,434,882.92 |
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 STRK ERC20 | From | Network fee | Speed |
|---|---|---|---|---|
| OMNI | 0.0291131 | — | — | — |
| Ethereum (ERC20) | 0.0291131 | 7,421.15 STRK ERC20 | ≈ $0.0085 | medium |
| TRON (TRC20) | 0.0291131 | 7,421.15 STRK ERC20 | ≈ $2.3 | fast |
| BNB Smart Chain (BEP20) | 0.0291131 | 7,421.15 STRK ERC20 | ≈ $0.0024 | fast |
| Solana | 0.0291131 | 7,421.15 STRK ERC20 | ≈ $0.0005 | fast |
| Polygon | 0.0291131 | 7,421.15 STRK ERC20 | ≈ $0.0017 | fast |
| Arbitrum One | 0.0291131 | 7,421.15 STRK ERC20 | ≈ $0.0032 | fast |
| TON | 0.0291131 | 7,421.15 STRK ERC20 | low | fast |
| Avalanche C-Chain | 0.0291131 | — | ≈ < $0.0001 | fast |
| NEAR | 0.0291131 | — | — | — |
| Optimism open now | 0.0291131 | — | ≈ $0.00016 | fast |
How the STRK ERC20 → 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 STRK ERC20 in Ethereum (ERC20) 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 STRK ERC20
- 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 STRK ERC20 to USDT Optimism rate has been
high 0.0296676 USDT Optimismlow 0.0262863 USDT Optimism
Sep 11, 2026 02:40Sep 18, 2026 02:40
high 0.0319021 USDT Optimismlow 0.022464 USDT Optimism
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 0.0355226 USDT Optimismlow 0.022464 USDT Optimism
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 0.248159 USDT Optimismlow 0.022464 USDT Optimism
Sep 18, 2025 03:00Sep 17, 2026 03:00
- 24 hours
- +3.91%
- Week
- −0.36%
- Weekly high
- 0.0296676 USDT Optimism
- Weekly low
- 0.0262863 USDT Optimism
- Spread
- 12.86%
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 STRK ERC20/USDT Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.0286695 | 0.0272781 | 0.028074 | +3.91% |
| Week | 0.0296676 | 0.0262863 | 0.0282912 | −0.36% |
| Month | 0.0319021 | 0.022464 | 0.0272788 | +21.7% |
| Quarter | 0.0355226 | 0.022464 | 0.0280624 | −21.1% |
Figures are in USDT Optimism per unit sent, from market data.
Daily STRK ERC20 → USDT Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 0.0280268 USDT Optimism | +5.2% |
| Sep 16, 2026 | 0.0266412 USDT Optimism | −7.62% |
| Sep 15, 2026 | 0.0288381 USDT Optimism | +2.97% |
| Sep 14, 2026 | 0.0280072 USDT Optimism | −3.09% |
| Sep 13, 2026 | 0.0288987 USDT Optimism | +0.96% |
| Sep 12, 2026 | 0.0286249 USDT Optimism | +2.3% |
| Sep 11, 2026 | 0.0279815 USDT Optimism | −10.55% |
The numbers on STRK and USDT
Starknet STRK- Price
- $0.0280382
- 24 hours
- +3.9%
- Week
- −2.6%
- Market cap
- $206.1 M
- 24-hour turnover
- $18.39 M
- Rank by cap
- #170
- In circulation
- 7.35 B STRK
- Record price
- $4.41
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.
Starknet against Tether
| Starknet (STRK) | Tether (USDT) | |
|---|---|---|
| Ticker | STRK | USDT |
| Network | Ethereum (ERC20) | Optimism |
| Fees are paid in | ETH | ETH |
| In circulation | 7.35 B STRK | 183.44 B USDT |
| Market cap | $206.1 M | $183.32 B |
| Rank by cap | #170 | #3 |
| Type | — | token |
| Launched | — | 2014 |
| Built by | — | Tether Limited |
| Supply cap | — | no cap |
Daily moves of STRK and USDT over 90 days line up at -0.07 — they travel apart.
Common questions: STRK ERC20 → USDT Optimism
What rate does STRK ERC20 to USDT Optimism run at?
As of Sep 18, 2026 02:38 it is 1 STRK ERC20 = 0.0291131 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.029093.
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 STRK ERC20, and that one goes to the blockchain, not to us.
How long does STRK ERC20 to USDT Optimism take?
The clock starts with confirmations: the order goes into work once Ethereum (ERC20) 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 STRK ERC20 to USDT Optimism rate do this month?
The month came in at plus 21.7%. Low 0.022464, high 0.0319021, middle 0.0272788 USDT Optimism per STRK ERC20.
Can I go back, USDT Optimism to STRK ERC20?
Yes, the reverse direction is open: 1 USDT Optimism = 34.5217 STRK ERC20. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send STRK ERC20, receive something else
STRK ERC20 → WIF0.156354
STRK ERC20 → XAI4.066
STRK ERC20 → XAUT0.00000669928
STRK ERC20 → XLM0.158672
STRK ERC20 → XMR0.0000563584
STRK ERC20 → XRP0.0224681
STRK ERC20 → XTZ0.1154
STRK ERC20 → YFI0.0000138821
