Swap 0x Protocol (ZRX) 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 17, 2026 05:48
- Payout network
- Optimism
- 24 hours
- −0.85%
The figure is indicative; the exact amount is locked in the order.
The direction runs at 0.108172 USDT Optimism per ZRX, or 9.2446 ZRX per USDT Optimism. Market over 24 hours: ZRX against USDT Optimism minus 0.85%. The week added plus 1.57%.
The weekly corridor ran from 0.0992331 to 0.118231 USDT Optimism, a spread of 19.14%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap 0x Protocol sits 285th ($92.48 M) and Tether 3th ($183.32 B).
Who takes the ZRX → USDT Optimism route
- Sitting out the swingsUSDT tracks the dollar: after the swap the value of your funds stops following ZRX.
- A road both waysThe USDT Optimism → ZRX direction is open too, so going back into ZRX takes the same route.
ZRX → USDT Optimism rate and amounts
Send ZRX — receive USDT Optimism
| ZRX | USDT Optimism |
|---|---|
| 100 | 10.8172 |
| 500 | 54.0858 |
| 2,000 | 216.343 |
| 20,000 | 2,163.43 |
| 100,000 | 10,817.15 |
| 500,000 | 54,085.76 |
Need USDT Optimism — send this much ZRX
| USDT Optimism | ZRX |
|---|---|
| 20 | 184.8916 |
| 100 | 924.4578 |
| 500 | 4,622.29 |
| 5,000 | 46,222.89 |
| 20,000 | 184,891.57 |
| 100,000 | 924,457.83 |
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 ZRX | From | Network fee | Speed |
|---|---|---|---|---|
| OMNI | 0.108172 | — | — | — |
| Ethereum (ERC20) | 0.108172 | 1,869.16 ZRX | ≈ $0.0083 | medium |
| TRON (TRC20) | 0.108172 | 1,869.16 ZRX | ≈ $2.3 | fast |
| BNB Smart Chain (BEP20) | 0.108172 | 1,869.16 ZRX | ≈ $0.0024 | fast |
| Solana | 0.108172 | 1,869.16 ZRX | ≈ $0.00049 | fast |
| Polygon | 0.108172 | 1,869.16 ZRX | ≈ $0.0017 | fast |
| Arbitrum One | 0.108172 | 1,869.16 ZRX | ≈ $0.0032 | fast |
| TON | 0.108172 | 1,869.16 ZRX | low | fast |
| Avalanche C-Chain | 0.108172 | — | ≈ < $0.0001 | fast |
| NEAR | 0.108172 | — | — | — |
| Optimism open now | 0.108172 | — | ≈ $0.00016 | fast |
How the ZRX → 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 ZRX in 0x Protocol 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 ZRX
- 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 ZRX to USDT Optimism rate has been
- 24 hours
- −0.85%
- Week
- +1.57%
- Weekly high
- 0.118231 USDT Optimism
- Weekly low
- 0.0992331 USDT Optimism
- Spread
- 19.14%
Market data from CoinGecko as of Sep 17, 2026 03:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far ZRX/USDT Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.109833 | 0.104915 | 0.107002 | −0.85% |
| Week | 0.118231 | 0.0992331 | 0.107393 | +1.57% |
Figures are in USDT Optimism per unit sent, from market data.
The numbers on ZRX and USDT
- Price
- $0.109054
- 24 hours
- −0.87%
- Week
- +3.9%
- Market cap
- $92.48 M
- 24-hour turnover
- $5.12 M
- Rank by cap
- #285
- In circulation
- 848.4 M ZRX
- Record price
- $2.50
- Price
- $0.999319
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $183.32 B
- 24-hour turnover
- $60.03 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
Source: CoinGecko, Sep 17, 2026 03:24.
0x Protocol against Tether
| 0x Protocol (ZRX) | Tether (USDT) | |
|---|---|---|
| Ticker | ZRX | USDT |
| In circulation | 848.4 M ZRX | 183.44 B USDT |
| Market cap | $92.48 M | $183.32 B |
| Rank by cap | #285 | #3 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2014 |
| Built by | — | Tether Limited |
| Supply cap | — | no cap |