0x Protocol (ZRX) → Tether (USDT Arbitrum)

The order runs on autopilot: the rate is locked when you create it, and the payout leaves as soon as the network confirms your transfer. No manual approval, no working hours.

Rate and amounts for ZRX → USDT Arbitrum 1 ZRX = 0.122199 USDT Arbitrum 1 USDT Arbitrum = 8.1834 ZRX

Rate as of Sep 30, 2026 19:40

Orders from: 837.5208 ZRX ≈ $102.69
Payout network: Arbitrum One
24 hours: −0.98%

You send

ZRX

You get 1,221.99

USDT Arbitrum

Create the order

Rate: 1 ZRX = 0.122199 USDT Arbitrum
From: 837.5208 ZRX
Up to: 81,600,000 ZRX

Preliminary figure: the final amount is locked in the order.

The direction is holding at 0.122199 USDT Arbitrum per 1 ZRX (8.1834 ZRX per 1 USDT Arbitrum). Over 24 hours ZRX/USDT Arbitrum came in at minus 0.98%. Over the week, plus 0.92%.

The weekly range ran from 0.116096 to 0.129693 USDT Arbitrum, a spread of 11.71%. One order takes from 837.5208 to 81,600,000 ZRX. In dollars that is roughly $102.69.

The robot sends the payout in the Arbitrum One network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts 0x Protocol at No. 280 ($103.99 M) and Tether at No. 3 ($183.8 B). Over 90 days the daily moves of ZRX and USDT correlate at 0.03 (they travel apart).

Which network USDT arrives in

The same USDT goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

Network	Per 1 ZRX	From	Network fee	Speed
Ethereum (ERC20)	0.122199	837.5208 ZRX	≈ $0.27	medium
TRON (TRC20)	0.122199	837.5208 ZRX	≈ $2.3	fast
BNB Smart Chain (BEP20)	0.122199	837.5208 ZRX	≈ $0.0025	fast
Solana	0.122199	837.5208 ZRX	≈ $0.0006	fast
Arbitrum One open	0.122199	837.5208 ZRX	≈ $0.0039	fast
Avalanche C-Chain	0.122199	837.5208 ZRX	≈ $0.0037	fast
NEAR	0.122199	837.5208 ZRX	—	—
Optimism	0.122199	837.5208 ZRX	≈ $0.00024	fast

ZRX → USDT: all networks side by side Network charges for USDT

Rate and amounts for ZRX → USDT Arbitrum

Send ZRX — receive USDT ArbitrumNeed USDT Arbitrum — send this much ZRX

ZRX	USDT Arbitrum
1,000	122.1988
5,000	610.9939
10,000	1,221.99
50,000	6,109.94
100,000	12,219.88
500,000	61,099.39

USDT Arbitrum	ZRX
200	1,636.68
1,000	8,183.39
2,000	16,366.78
10,000	81,833.88
20,000	163,667.76
100,000	818,338.79

How the ZRX → USDT Arbitrum exchange runs

Work out the amount in the calculator — orders start at 837.5208 ZRX.
Give a USDT address on Arbitrum One and a contact for the order.
Send ZRX on 0x Protocol, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends Tether to your address. The order page shows the status.

Swap ZRX for USDT Arbitrum

Check this before sending ZRX

The address network is Arbitrum One. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 837.5208 ZRX.
Copy the address in full, then check its first and last characters once it is pasted.
Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the ZRX to USDT Arbitrum rate has moved

WeekMonthQuarterYear

high 0.129693 USDT Arbitrumlow 0.116096 USDT Arbitrum

Sep 23, 2026 19:42Sep 30, 2026 19:42

high 0.127877 USDT Arbitrumlow 0.0936107 USDT Arbitrum

Aug 31, 2026 05:00Sep 30, 2026 05:00

high 0.127877 USDT Arbitrumlow 0.0747394 USDT Arbitrum

Jul 2, 2026 05:00Sep 30, 2026 05:00

high 0.261703 USDT Arbitrumlow 0.0747394 USDT Arbitrum

Oct 1, 2025 05:00Sep 30, 2026 05:00

24 hours: −0.98%
Week: +0.92%
Weekly high: 0.129693 USDT Arbitrum
Weekly low: 0.116096 USDT Arbitrum
Spread: 11.71%

Market data from CoinGecko as of Sep 30, 2026 19:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The ZRX/USDT Arbitrum spread by period

Period	High	Low	Middle	Period result
24 hours	0.125745	0.118902	0.12111	−0.98%
Week	0.129693	0.116096	0.122785	+0.92%
Month	0.127877	0.0936107	0.110085	+30.63%
Quarter	0.127877	0.0747394	0.093545	+50.08%

Figures are in USDT Arbitrum per unit of the currency you send, taken from market data.

Daily ZRX → USDT Arbitrum rate

Day	Close	Against the day before
Sep 30, 2026	0.12228 USDT Arbitrum	−0.22%
Sep 29, 2026	0.122545 USDT Arbitrum	−2.5%
Sep 28, 2026	0.125691 USDT Arbitrum	−1.71%
Sep 27, 2026	0.127877 USDT Arbitrum	+1.21%
Sep 26, 2026	0.126353 USDT Arbitrum	+4.22%
Sep 25, 2026	0.121239 USDT Arbitrum	+3.51%
Sep 24, 2026	0.117124 USDT Arbitrum	−4.36%

Market data: ZRX and USDT

0x Protocol ZRX

Price: $0.122614
24 hours: −1%
Week: −1.67%
Market cap: $103.99 M
24-hour turnover: $4.92 M
Rank by cap: #280
In circulation: 848.4 M ZRX
All-time high: $2.50

Tether USDT

Price: $0.999598
24 hours: −0.02%
Week: 0%
Market cap: $183.8 B
24-hour turnover: $63.86 B
Rank by cap: #3
In circulation: 183.87 B USDT
All-time high: $1.32

Source: CoinGecko, Sep 30, 2026 19:27.

0x Protocol and Tether: how they differ

	0x Protocol (ZRX)	Tether (USDT)
Ticker	ZRX	USDT
In circulation	848.4 M ZRX	183.87 B USDT
Market cap	$103.99 M	$183.8 B
Rank by cap	#280	#3
Type	—	token
Network	—	Arbitrum One
Fees are paid in	—	ETH
Launched	—	2014
Built by	—	Tether Limited
Supply cap	—	no cap

Daily moves of ZRX and USDT over the quarter link at 0.03 (they travel apart).

Why people take the ZRX → USDT Arbitrum route

Stepping out of the swingsZRX moved +30.59% over the past month. USDT tracks the dollar, so after the swap the amount stops following ZRX.
It works both waysThe USDT Arbitrum → ZRX direction is open as well — going back into ZRX takes the same route and the same automation.

Common questions: ZRX → USDT Arbitrum

What rate does ZRX to USDT Arbitrum run at?

As of Sep 30, 2026 19:40 it is 1 ZRX = 0.122199 USDT Arbitrum. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.12215.

What amounts does ZRX → USDT Arbitrum accept?

From 837.5208 to 81,600,000 ZRX per order. The floor is roughly $102.69.

Why can I not swap less than 837.5208 ZRX?

The network fee and the handling do not depend on the amount. On a transfer below 837.5208 ZRX they eat a noticeable share of it, and the swap stops making sense for either side.

Is anything charged on top of the rate?

No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending ZRX, and the blockchain takes that one.

How long does swapping ZRX for USDT Arbitrum take?

The clock starts with confirmations: as soon as 0x Protocol confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant.

Which network will USDT Arbitrum arrive in?

The payout goes out on Arbitrum One. Check that the receiving wallet supports that network.

Which network is cheaper for receiving USDT?

Usually USDT BEP20, USDT SOL, USDT Arbitrum, USDT AVAX C, USDT Optimism works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.

What happens if the rate moves while I am paying?

Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only 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 Arbitrum rate do over the month?

Over the month, plus 30.63%: a low of 0.0936107, a high of 0.127877, an average of 0.110085 USDT Arbitrum per 1 ZRX.

Can I swap back, USDT Arbitrum for ZRX?

Yes, the reverse is open too: 1 USDT Arbitrum = 8.1832 ZRX. The link to switch sits under the calculator.