Swap USD Coin (USDC Optimism) for USD Coin (USDC BASE)

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 09:19

Payout network
BASE
24 hours
0%
You get 1.0001 USDC BASE
Start the order
Rate
1 USDC Optimism = 1.0001 USDC BASE
Up to
10,000,000 USDC Optimism

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

The direction runs at 1.0001 USDC BASE per USDC Optimism, or 0.9999 USDC Optimism per USDC BASE. Market over 24 hours: USDC Optimism against USDC BASE a move of 0%. The week added a move of 0%.

The weekly corridor ran from 1 to 1 USDC BASE, a spread of 0%.

The payout leaves in the BASE network, so the receiving address has to belong to that network.

Who takes the USDC Optimism → USDC BASE route

  • Moving between networksUSDC in Optimism (fee ≈ $0.00015) becomes BASE (fee —) — the usual way to top up a wallet or an exchange that speaks one network only.
  • A road both waysThe USDC BASE → USDC Optimism direction is open too, so going back into USDC takes the same route.

USDC Optimism → USDC BASE rate and amounts

1 USDC Optimism = 1.0001 USDC BASE
1 USDC BASE = 0.9999 USDC Optimism

Send USDC Optimism — receive USDC BASE

USDC OptimismUSDC BASE
1010.001
5050.005
500500.05
2,0002,000.2
20,00020,002
100,000100,010

Need USDC BASE — send this much USDC Optimism

USDC BASEUSDC Optimism
109.999
5049.995
500499.95
2,0001,999.8
20,00019,998
100,00099,990

Payout network for USDC

The same USDC goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.

NetworkPer USDC OptimismFromNetwork feeSpeed
Ethereum (ERC20)1.0001200 USDC Optimism≈ $0.0063medium
Solana1.0001200 USDC Optimism≈ $0.00048fast
Polygon1.0001200 USDC Optimism≈ $0.00018fast
Arbitrum One1.0001—≈ $0.0029fast
BASE open now1.0001———
BNB Smart Chain (BEP20)1.0001—≈ $0.0023fast
Avalanche C-Chain1.0001—≈ $0.0014fast
NEAR1.0001———
XLM1.0001———

How the USDC Optimism → USDC BASE order runs

  1. Work out the amount in the calculator and press the exchange button.
  2. Enter a USDC address in BASE and a way to reach you.
  3. Send USDC Optimism in Optimism for exactly the amount stated in the order.
  4. Once the network confirms your transfer, USD Coin BASE leaves for your address. The order page tracks every step.

Swap USDC Optimism for USDC BASE

Check this before sending USDC Optimism

  • The address network is BASE. 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 USDC Optimism to USDC BASE rate has been

high 1 USDC BASElow 1 USDC BASE
Oct 25, 2026 09:22Nov 1, 2026 09:22
high 1 USDC BASElow 1 USDC BASE
Oct 1, 2026 03:00Oct 31, 2026 03:00
high 1 USDC BASElow 1 USDC BASE
Aug 2, 2026 03:00Oct 31, 2026 03:00
high 1 USDC BASElow 1 USDC BASE
Nov 1, 2025 03:00Oct 31, 2026 03:00
24 hours
0%
Week
0%
Weekly high
1 USDC BASE
Weekly low
1 USDC BASE
Spread
0%

Market data from CoinGecko as of Nov 1, 2026 06:24; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDC Optimism/USDC BASE travelled, by period

PeriodHighLowMiddleNet move
24 hours1110%
Week1110%
Month1110%
Quarter1110%

Figures are in USDC BASE per unit sent, from market data.

Daily USDC Optimism → USDC BASE rate

DayCloseAgainst the day before
Oct 31, 20261 USDC BASE0%
Oct 30, 20261 USDC BASE0%
Oct 29, 20261 USDC BASE0%
Oct 28, 20261 USDC BASE0%
Oct 27, 20261 USDC BASE0%
Oct 26, 20261 USDC BASE0%
Oct 25, 20261 USDC BASE0%

Daily RubyCash rate: USDC Optimism → USDC BASE

DateRubyCash rateMarket rate
Nov 1, 20261.0001 USDC BASE1
Oct 31, 20261.0001 USDC BASE1
Oct 30, 20261.0001 USDC BASE1
Oct 29, 20261.0001 USDC BASE1
Oct 28, 20261.0001 USDC BASE1
Oct 27, 20261.0001 USDC BASE1
Oct 26, 20261.0001 USDC BASE1
Oct 25, 20261.0001 USDC BASE1
Oct 24, 20261.0001 USDC BASE1
Oct 22, 20261.0001 USDC BASE1
Oct 21, 20261.0001 USDC BASE1
Oct 20, 20261.0001 USDC BASE1
Oct 19, 20261.0001 USDC BASE1
Oct 18, 20261.0001 USDC BASE1

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 USDC

USD Coin USDC
Price
$0.999999
24 hours
+0.02%
Week
+0.05%
Market cap
$71.71 B
24-hour turnover
$5.85 B
Rank by cap
#6
In circulation
71.71 B USDC
Record price
$1.04

Source: CoinGecko, Nov 1, 2026 06:24.

Common questions: USDC Optimism → USDC BASE

What rate does USDC Optimism to USDC BASE run at?
As of Nov 1, 2026 09:19 it is 1 USDC Optimism = 1.0001 USDC BASE. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $1.00.
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 USDC Optimism, and that one goes to the blockchain, not to us.
How long does USDC Optimism to USDC BASE take?
The clock starts with confirmations: the order goes into work once Optimism confirms your transfer. After that it comes down to how busy the network is.
Which network will USDC BASE arrive in?
The payout leaves in BASE. Make sure the receiving wallet works with that network.
Where is receiving USDC cheaper?
The cheapest is usually USDC SOL, USDC Polygon, USDC Arbitrum, USDC BEP20, USDC AVAX C. 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 USDC Optimism to USDC BASE rate do this month?
The month came in at a move of 0%. Low 1, high 1, middle 1 USDC BASE per USDC Optimism.
Can I go back, USDC BASE to USDC Optimism?
Yes, the reverse direction is open: 1 USDC BASE = 1.0001 USDC Optimism. The link sits right under the calculator.

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