USD Coin (USDC BASE) → Tether (USDT 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 USDC BASE → USDT Optimism 1 USDC BASE = 1.0013 USDT Optimism 1 USDT Optimism = 0.998712 USDC BASE

Rate as of Nov 1, 2026 07:29

Orders from: 100.67 USDC BASE ≈ $100.67
Payout network: Optimism
24 hours: −0.02%

You send

USDC BASE

You get 2,002.58

USDT Optimism

Create the order

Rate: 1 USDC BASE = 1.0013 USDT Optimism
From: 100.67 USDC BASE
Up to: 10,000,000 USDC BASE

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

Current maths: 1.0013 USDT Optimism for every USDC BASE, and 0.998712 USDC BASE per USDT Optimism in reverse. Over 24 hours USDC BASE/USDT Optimism came in at minus 0.02%. Over the week, minus 0.01%.

The weekly range ran from 1.0003 to 1.0012 USDT Optimism, a spread of 0.09%. One order takes from 100.67 to 10,000,000 USDC BASE. In dollars that is roughly $100.67.

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 USD Coin at No. 6 ($71.71 B) and Tether at No. 3 ($180.04 B). Over 90 days the daily moves of USDC and USDT correlate at 0.13 (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 USDC BASE	From	Network fee	Speed
Ethereum (ERC20)	1.0013	100.67 USDC BASE	≈ $0.0055	medium
TRON (TRC20)	1.0013	100.67 USDC BASE	≈ $2.1	fast
BNB Smart Chain (BEP20)	1.0013	100.67 USDC BASE	≈ $0.0023	fast
Solana	1.0013	100.67 USDC BASE	≈ $0.00048	fast
Arbitrum One	1.0013	100.67 USDC BASE	≈ $0.0029	fast
Avalanche C-Chain	1.0013	100.67 USDC BASE	≈ $0.0014	fast
NEAR	1.0013	100.67 USDC BASE	—	—
Optimism open	1.0013	100.67 USDC BASE	≈ $0.00015	fast

Network charges for USDT

Rate and amounts for USDC BASE → USDT Optimism

Send USDC BASE — receive USDT OptimismNeed USDT Optimism — send this much USDC BASE

USDC BASE	USDT Optimism
200	200.258
1,000	1,001.29
2,000	2,002.58
10,000	10,012.9
20,000	20,025.8
100,000	100,129

USDT Optimism	USDC BASE
200	199.7423
1,000	998.7117
2,000	1,997.42
10,000	9,987.12
20,000	19,974.23
100,000	99,871.17

How the USDC BASE → USDT Optimism exchange runs

Work out the amount in the calculator — orders start at 100.67 USDC BASE.
Give a USDT address on Optimism and a contact for the order.
Send USDC BASE on BASE, 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 USDC BASE for USDT Optimism

Check this before sending USDC BASE

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 100.67 USDC BASE.
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 USDC BASE to USDT Optimism rate has moved

WeekMonthQuarterYear

high 1.0012 USDT Optimismlow 1.0003 USDT Optimism

Oct 25, 2026 07:33Nov 1, 2026 07:33

high 1.0009 USDT Optimismlow 1 USDT Optimism

Oct 1, 2026 05:00Oct 31, 2026 05:00

high 1.0009 USDT Optimismlow 0.999785 USDT Optimism

Aug 2, 2026 05:00Oct 31, 2026 05:00

high 1.0032 USDT Optimismlow 0.99687 USDT Optimism

Nov 1, 2025 05:00Oct 31, 2026 05:00

24 hours: −0.02%
Week: −0.01%
Weekly high: 1.0012 USDT Optimism
Weekly low: 1.0003 USDT Optimism
Spread: 0.09%

Market data from CoinGecko as of Nov 1, 2026 07:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The USDC BASE/USDT Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	1.0007	1.0005	1.0006	−0.02%
Week	1.0012	1.0003	1.0006	−0.01%
Month	1.0009	1	1.0004	+0.03%
Quarter	1.0009	0.999785	1.0003	+0.03%

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

Daily USDC BASE → USDT Optimism rate

Day	Close	Against the day before
Oct 31, 2026	1.0006 USDT Optimism	−0.02%
Oct 30, 2026	1.0008 USDT Optimism	+0.04%
Oct 29, 2026	1.0004 USDT Optimism	−0.01%
Oct 28, 2026	1.0005 USDT Optimism	−0.02%
Oct 27, 2026	1.0007 USDT Optimism	0%
Oct 26, 2026	1.0007 USDT Optimism	+0.03%
Oct 25, 2026	1.0004 USDT Optimism	−0.01%

How the Velorex rate moved: USDC BASE → USDT Optimism day by day

Day	Velorex rate	Market rate
Nov 1, 2026	1.0014 USDT Optimism	1.0005
Oct 31, 2026	1.0013 USDT Optimism	1.0005
Oct 30, 2026	1.0017 USDT Optimism	1.0007
Oct 29, 2026	1.0012 USDT Optimism	1.0006
Oct 28, 2026	1.0008 USDT Optimism	1.0004
Oct 27, 2026	1.0012 USDT Optimism	1.0005
Oct 26, 2026	1.0014 USDT Optimism	1.0006
Oct 25, 2026	1.0011 USDT Optimism	1.0006
Oct 24, 2026	1.0013 USDT Optimism	1.0004
Oct 23, 2026	1.0012 USDT Optimism	1.0005
Oct 22, 2026	1.0007 USDT Optimism	1.0005
Oct 21, 2026	1.0009 USDT Optimism	1.0003
Oct 20, 2026	1.0007 USDT Optimism	1.0005
Oct 19, 2026	1.001 USDT Optimism	1.0007

Our own rate is recorded every hour, and the table keeps the last entry of the day. The column beside it is the ratio of the prices of the same two coins on CoinGecko at that same hour. How these numbers are counted

Market data: USDC and USDT

USD Coin USDC

Price: $1.00
24 hours: +0.02%
Week: +0.04%
Market cap: $71.71 B
24-hour turnover: $5.9 B
Rank by cap: #6
In circulation: 71.71 B USDC
All-time high: $1.04

Tether USDT

Price: $0.999529
24 hours: +0.04%
Week: +0.04%
Market cap: $180.04 B
24-hour turnover: $25.77 B
Rank by cap: #3
In circulation: 180.12 B USDT
All-time high: $1.32

Source: CoinGecko, Nov 1, 2026 07:27.

USD Coin and Tether: how they differ

	USD Coin (USDC)	Tether (USDT)
Ticker	USDC	USDT
Type	token	token
Network	BASE	Optimism
Launched	2018	2014
Built by	Circle	Tether Limited
Supply cap	no cap	no cap
In circulation	71.71 B USDC	180.12 B USDT
Market cap	$71.71 B	$180.04 B
Rank by cap	#6	#3
Fees are paid in	—	ETH

Daily moves of USDC and USDT over the quarter link at 0.13 (they travel apart).

Why people take the USDC BASE → USDT Optimism route

It works both waysThe USDT Optimism → USDC BASE direction is open as well — going back into USDC takes the same route and the same automation.

Common questions: USDC BASE → USDT Optimism

What rate does USDC BASE to USDT Optimism run at?

As of Nov 1, 2026 07:29 it is 1 USDC BASE = 1.0013 USDT Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $1.00.

What amounts does USDC BASE → USDT Optimism accept?

From 100.67 to 10,000,000 USDC BASE per order. The floor is roughly $100.67.

Why can I not swap less than 100.67 USDC BASE?

The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDC BASE 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 USDC BASE, and the blockchain takes that one.

How long does swapping USDC BASE for USDT Optimism take?

The clock starts with confirmations: as soon as BASE 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 Optimism arrive in?

The payout goes out on Optimism. 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 USDC BASE to USDT Optimism rate do over the month?

Over the month, plus 0.03%: a low of 1, a high of 1.0009, an average of 1.0004 USDT Optimism per 1 USDC BASE.

Can I swap back, USDT Optimism for USDC BASE?

Yes, the reverse is open too: 1 USDT Optimism = 0.998692 USDC BASE. The link to switch sits under the calculator.