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 Nov 1, 2026 11:19

Payout network: Optimism
24 hours: +1.12%

You send

ZRX

You get 0.0982466

USDT Optimism

Start the order

Rate: 1 ZRX = 0.0982466 USDT Optimism
Up to: 102,000,000 ZRX

The figure is indicative; the exact amount is locked in the order.

The direction runs at 0.0982466 USDT Optimism per ZRX, or 10.1785 ZRX per USDT Optimism. Market over 24 hours: ZRX against USDT Optimism plus 1.12%. The week added minus 4.53%.

The weekly corridor ran from 0.0927533 to 0.105083 USDT Optimism, a spread of 13.29%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap 0x Protocol sits 307th ($82.91 M) and Tether 3th ($180.04 B). Daily moves of ZRX and USDT over 90 days line up at 0.15 (they travel apart).

Who takes the ZRX → USDT Optimism route

Sitting out the swingsZRX moved −20.17% over the past month. USDT tracks the dollar, so after the swap the value 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

1 ZRX = 0.0982466 USDT Optimism

1 USDT Optimism = 10.1785 ZRX

Send ZRX — receive USDT Optimism

ZRX	USDT Optimism
200	19.6493
1,000	98.2466
5,000	491.233
50,000	4,912.33
200,000	19,649.32
1,000,000	98,246.6

Need USDT Optimism — send this much ZRX

USDT Optimism	ZRX
20	203.5694
100	1,017.85
500	5,089.23
5,000	50,892.35
20,000	203,569.39
100,000	1,017,846.94

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	0.0982466	—	—	—
Ethereum (ERC20)	0.0982466	1,869.16 ZRX	≈ $0.006	medium
TRON (TRC20)	0.0982466	1,869.16 ZRX	≈ $2.1	fast
BNB Smart Chain (BEP20)	0.0982466	1,869.16 ZRX	≈ $0.0023	fast
Solana	0.0982466	1,869.16 ZRX	≈ $0.00048	fast
Polygon	0.0982466	1,869.16 ZRX	≈ $0.00016	fast
Arbitrum One	0.0982466	1,869.16 ZRX	≈ $0.0029	fast
TON	0.0982466	1,869.16 ZRX	low	fast
Avalanche C-Chain	0.0982466	—	≈ $0.0015	fast
NEAR	0.0982466	—	—	—
Optimism open now	0.0982466	—	≈ $0.00015	fast

ZRX → USDT: compare all networks USDT network fees

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.

Swap ZRX for USDT Optimism

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

WeekMonthQuarterYear

high 0.105083 USDT Optimismlow 0.0927533 USDT Optimism

Oct 25, 2026 11:19Nov 1, 2026 11:19

high 0.131123 USDT Optimismlow 0.0961198 USDT Optimism

Oct 1, 2026 03:00Oct 31, 2026 03:00

high 0.131123 USDT Optimismlow 0.0747394 USDT Optimism

Aug 2, 2026 03:00Oct 31, 2026 03:00

high 0.220058 USDT Optimismlow 0.0747394 USDT Optimism

Nov 2, 2025 03:00Oct 31, 2026 03:00

24 hours: +1.12%
Week: −4.53%
Weekly high: 0.105083 USDT Optimism
Weekly low: 0.0927533 USDT Optimism
Spread: 13.29%

Market data from CoinGecko as of Nov 1, 2026 09:24; 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	0.0982874	0.0957865	0.097347	+1.12%
Week	0.105083	0.0927533	0.100034	−4.53%
Month	0.131123	0.0961198	0.114168	−20.9%
Quarter	0.131123	0.0747394	0.103401	+23.61%

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

Daily ZRX → USDT Optimism rate

Day	Close	Against the day before
Oct 31, 2026	0.0967706 USDT Optimism	+0.68%
Oct 30, 2026	0.0961198 USDT Optimism	−5.95%
Oct 29, 2026	0.102201 USDT Optimism	−2.49%
Oct 28, 2026	0.104815 USDT Optimism	+2.83%
Oct 27, 2026	0.101929 USDT Optimism	+0.98%
Oct 26, 2026	0.100935 USDT Optimism	−1.86%
Oct 25, 2026	0.102844 USDT Optimism	−3.45%

Daily RubyCash rate: ZRX → USDT Optimism

Date	RubyCash rate	Market rate
Nov 1, 2026	0.0989484 USDT Optimism	0.0978141
Oct 31, 2026	0.0970436 USDT Optimism	0.0971879
Oct 30, 2026	0.0965423 USDT Optimism	0.0936243
Oct 29, 2026	0.0976451 USDT Optimism	0.0972387
Oct 28, 2026	0.102357 USDT Optimism	0.102245
Oct 27, 2026	0.104963 USDT Optimism	0.104547
Oct 26, 2026	0.101054 USDT Optimism	0.101349
Oct 25, 2026	0.102156 USDT Optimism	0.102015
Oct 24, 2026	0.102758 USDT Optimism	0.102321
Oct 22, 2026	0.106668 USDT Optimism	0.10666
Oct 21, 2026	0.113084 USDT Optimism	0.113627
Oct 20, 2026	0.112182 USDT Optimism	0.111578
Oct 19, 2026	0.108272 USDT Optimism	0.106899
Oct 18, 2026	0.105665 USDT Optimism	0.104589

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 ZRX and USDT

0x Protocol ZRX

Price: $0.09777
24 hours: +1.15%
Week: −5.05%
Market cap: $82.91 M
24-hour turnover: $3.83 M
Rank by cap: #307
In circulation: 848.4 M ZRX
Record price: $2.50

Tether USDT

Price: $0.999549
24 hours: +0.03%
Week: +0.04%
Market cap: $180.04 B
24-hour turnover: $25.12 B
Rank by cap: #3
In circulation: 180.12 B USDT
Record price: $1.32

Source: CoinGecko, Nov 1, 2026 09:24.

0x Protocol against Tether

	0x Protocol (ZRX)	Tether (USDT)
Ticker	ZRX	USDT
In circulation	848.4 M ZRX	180.12 B USDT
Market cap	$82.91 M	$180.04 B
Rank by cap	#307	#3
Type	—	token
Network	—	Optimism
Fees are paid in	—	ETH
Launched	—	2014
Built by	—	Tether Limited
Supply cap	—	no cap

Daily moves of ZRX and USDT over 90 days line up at 0.15 — they travel apart.

Common questions: ZRX → USDT Optimism

What rate does ZRX to USDT Optimism run at?

As of Nov 1, 2026 11:19 it is 1 ZRX = 0.0982466 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.0982023.

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 ZRX, and that one goes to the blockchain, not to us.

How long does ZRX to USDT Optimism take?

The clock starts with confirmations: the order goes into work once 0x Protocol 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 ZRX to USDT Optimism rate do this month?

The month came in at minus 20.9%. Low 0.0961198, high 0.131123, middle 0.114168 USDT Optimism per ZRX.

Can I go back, USDT Optimism to ZRX?

Yes, the reverse direction is open: 1 USDT Optimism = 10.2297 ZRX. The link sits right under the calculator.