0x Protocol (ZRX) → USD Coin (USDC Optimism)

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 → USDC Optimism 1 ZRX = 0.119375 USDC Optimism 1 USDC Optimism = 8.377 ZRX

Rate as of Sep 30, 2026 07:30

Orders from: 837.5208 ZRX ≈ $100.19
Payout network: Optimism
24 hours: +1.1%

You send

ZRX

You get 1,193.75

USDC Optimism

Create the order

Rate: 1 ZRX = 0.119375 USDC Optimism
From: 837.5208 ZRX
Up to: 83,600,000 ZRX

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

Right now 1 ZRX gets you 0.119375 USDC Optimism; the other way round, 1 USDC Optimism is 8.377 ZRX. Over 24 hours ZRX/USDC Optimism came in at plus 1.1%. Over the week, minus 2.5%.

The weekly range ran from 0.11609 to 0.129684 USDC Optimism, a spread of 11.71%. One order takes from 837.5208 to 83,600,000 ZRX. In dollars that is roughly $100.19.

The robot sends the payout in the Optimism 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. 288 ($101.54 M) and USD Coin at No. 6 ($74.39 B). Over 90 days the daily moves of ZRX and USDC correlate at 0 (they travel apart).

Which network USDC arrives in

The same USDC 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)	0.119375	837.5208 ZRX	≈ $0.017	medium
Solana	0.119375	837.5208 ZRX	≈ $0.0006	fast
Arbitrum One	0.119375	837.5208 ZRX	≈ $0.0035	fast
BASE	0.119375	837.5208 ZRX	—	—
BNB Smart Chain (BEP20)	0.119375	837.5208 ZRX	≈ $0.0025	fast
Avalanche C-Chain	0.119375	837.5208 ZRX	≈ $0.0037	fast
NEAR	0.119375	837.5208 ZRX	—	—
Optimism open	0.119375	837.5208 ZRX	≈ $0.00018	fast
Polygon	0.119375	837.5208 ZRX	≈ $0.002	fast
XLM	0.119375	837.5208 ZRX	—	—

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

Rate and amounts for ZRX → USDC Optimism

Send ZRX — receive USDC OptimismNeed USDC Optimism — send this much ZRX

ZRX	USDC Optimism
1,000	119.3749
5,000	596.8747
10,000	1,193.75
50,000	5,968.75
100,000	11,937.49
500,000	59,687.47

USDC Optimism	ZRX
100	837.6968
500	4,188.48
2,000	16,753.94
5,000	41,884.84
20,000	167,539.36
100,000	837,696.82

How the ZRX → USDC Optimism exchange runs

Work out the amount in the calculator — orders start at 837.5208 ZRX.
Give a USDC address on Optimism 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 USD Coin to your address. The order page shows the status.

Swap ZRX for USDC Optimism

Check this before sending ZRX

The address network is Optimism. 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 USDC Optimism rate has moved

WeekMonthQuarterYear

high 0.129684 USDC Optimismlow 0.11609 USDC Optimism

Sep 23, 2026 07:30Sep 30, 2026 07:30

high 0.127871 USDC Optimismlow 0.0936116 USDC Optimism

Aug 30, 2026 05:00Sep 29, 2026 05:00

high 0.127871 USDC Optimismlow 0.0747136 USDC Optimism

Jul 1, 2026 05:00Sep 29, 2026 05:00

high 0.261899 USDC Optimismlow 0.0747136 USDC Optimism

Oct 1, 2025 05:00Sep 29, 2026 05:00

24 hours: +1.1%
Week: −2.5%
Weekly high: 0.129684 USDC Optimism
Weekly low: 0.11609 USDC Optimism
Spread: 11.71%

Market data from CoinGecko as of Sep 30, 2026 07:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The ZRX/USDC Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	0.123376	0.118293	0.120438	+1.1%
Week	0.129684	0.11609	0.123007	−2.5%
Month	0.127871	0.0936116	0.109136	+23.96%
Quarter	0.127871	0.0747136	0.0929986	+53.85%

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

Daily ZRX → USDC Optimism rate

Day	Close	Against the day before
Sep 29, 2026	0.11937 USDC Optimism	−5.02%
Sep 28, 2026	0.125682 USDC Optimism	−1.71%
Sep 27, 2026	0.127871 USDC Optimism	+1.21%
Sep 26, 2026	0.126344 USDC Optimism	+4.22%
Sep 25, 2026	0.121224 USDC Optimism	+3.5%
Sep 24, 2026	0.117121 USDC Optimism	−4.36%
Sep 23, 2026	0.122457 USDC Optimism	+2.65%

Market data: ZRX and USDC

0x Protocol ZRX

Price: $0.119625
24 hours: +1.09%
Week: −1.46%
Market cap: $101.54 M
24-hour turnover: $5.01 M
Rank by cap: #288
In circulation: 848.4 M ZRX
All-time high: $2.50

USD Coin USDC

Price: $0.999858
24 hours: −0.01%
Week: −0.01%
Market cap: $74.39 B
24-hour turnover: $18.17 B
Rank by cap: #6
In circulation: 74.4 B USDC
All-time high: $1.04

Source: CoinGecko, Sep 30, 2026 07:27.

0x Protocol and USD Coin: how they differ

	0x Protocol (ZRX)	USD Coin (USDC)
Ticker	ZRX	USDC
In circulation	848.4 M ZRX	74.4 B USDC
Market cap	$101.54 M	$74.39 B
Rank by cap	#288	#6
Type	—	token
Network	—	Optimism
Fees are paid in	—	ETH
Launched	—	2018
Built by	—	Circle
Supply cap	—	no cap

Daily moves of ZRX and USDC over the quarter link at 0 (they travel apart).

Why people take the ZRX → USDC Optimism route

Stepping out of the swingsZRX moved +23.95% over the past month. USDC tracks the dollar, so after the swap the amount stops following ZRX.
It works both waysThe USDC Optimism → ZRX direction is open as well — going back into ZRX takes the same route and the same automation.

Common questions: ZRX → USDC Optimism

What rate does ZRX to USDC Optimism run at?

As of Sep 30, 2026 07:30 it is 1 ZRX = 0.119375 USDC Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.119358.

What amounts does ZRX → USDC Optimism accept?

From 837.5208 to 83,600,000 ZRX per order. The floor is roughly $100.19.

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 USDC Optimism 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 USDC Optimism arrive in?

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

Which network is cheaper for receiving USDC?

Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon 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 USDC Optimism rate do over the month?

Over the month, plus 23.96%: a low of 0.0936116, a high of 0.127871, an average of 0.109136 USDC Optimism per 1 ZRX.

Can I swap back, USDC Optimism for ZRX?

Yes, the reverse is open too: 1 USDC Optimism = 8.3768 ZRX. The link to switch sits under the calculator.