Swap Cosmos (ATOM) for USD Coin (USDC 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 Sep 17, 2026 00:13
- Payout network
- Optimism
- 24 hours
- −3.89%
The figure is indicative; the exact amount is locked in the order.
One ATOM buys 1.5071 USDC Optimism right now; the other way round, 1 USDC Optimism is 0.663544 ATOM. Market over 24 hours: ATOM against USDC Optimism minus 3.89%. The week added minus 20.56%.
The weekly corridor ran from 1.4794 to 1.8835 USDC Optimism, a spread of 27.31%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Cosmos sits 81th ($791.17 M) and USD Coin 6th ($73.63 B).
Who takes the ATOM → USDC Optimism route
- Sitting out the swingsUSDC tracks the dollar: after the swap the value of your funds stops following ATOM.
- A road both waysThe USDC Optimism → ATOM direction is open too, so going back into ATOM takes the same route.
ATOM → USDC Optimism rate and amounts
Send ATOM — receive USDC Optimism
| ATOM | USDC Optimism |
|---|---|
| 10 | 15.0706 |
| 50 | 75.353 |
| 200 | 301.4118 |
| 2,000 | 3,014.12 |
| 10,000 | 15,070.59 |
| 50,000 | 75,352.96 |
Need USDC Optimism — send this much ATOM
| USDC Optimism | ATOM |
|---|---|
| 20 | 13.2709 |
| 100 | 66.3544 |
| 500 | 331.772 |
| 5,000 | 3,317.72 |
| 20,000 | 13,270.88 |
| 100,000 | 66,354.4 |
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.
| Network | Per ATOM | From | Network fee | Speed |
|---|---|---|---|---|
| Polygon | 1.5064 | 50.0309 ATOM | ≈ $0.0016 | fast |
| Solana | 1.5064 | 50.0309 ATOM | ≈ $0.00049 | fast |
| Ethereum (ERC20) | 1.5064 | 50.0309 ATOM | ≈ $0.026 | medium |
| Arbitrum One | 1.5071 | — | ≈ $0.0032 | fast |
| BASE | 1.5071 | — | — | — |
| BNB Smart Chain (BEP20) | 1.5071 | — | ≈ $0.0023 | fast |
| Avalanche C-Chain | 1.5071 | — | ≈ < $0.0001 | fast |
| NEAR | 1.5071 | — | — | — |
| Optimism open now | 1.5071 | — | ≈ $0.00016 | fast |
| XLM | 1.5071 | — | — | — |
How the ATOM → USDC Optimism order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in Optimism and a way to reach you.
- Send ATOM in Cosmos Hub for exactly the amount stated in the order.
- Once the network confirms your transfer, USD Coin leaves for your address. The order page tracks every step.
Check this before sending ATOM
- 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 ATOM to USDC Optimism rate has been
- 24 hours
- −3.89%
- Week
- −20.56%
- Weekly high
- 1.8835 USDC Optimism
- Weekly low
- 1.4794 USDC Optimism
- Spread
- 27.31%
Market data from CoinGecko as of Sep 16, 2026 21:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far ATOM/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 1.5564 | 1.4794 | 1.5063 | −3.89% |
| Week | 1.8835 | 1.4794 | 1.6435 | −20.56% |
Figures are in USDC Optimism per unit sent, from market data.
The numbers on ATOM and USDC
- Price
- $1.49
- 24 hours
- −3.9%
- Week
- −21.4%
- Market cap
- $791.17 M
- 24-hour turnover
- $38.91 M
- Rank by cap
- #81
- In circulation
- 531.06 M ATOM
- Record price
- $43.84
- Price
- $0.999651
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.63 B
- 24-hour turnover
- $19.38 B
- Rank by cap
- #6
- In circulation
- 73.66 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 16, 2026 21:24.
Cosmos against USD Coin
| Cosmos (ATOM) | USD Coin (USDC) | |
|---|---|---|
| Ticker | ATOM | USDC |
| Type | coin of its own network | token |
| Launched | 2019 | 2018 |
| Built by | Jae Kwon, Ethan Buchman | Circle |
| Consensus | Proof of Stake (CometBFT) | — |
| Block | ~6 sec | — |
| Supply cap | no cap | no cap |
| Privacy | transfers are public | — |
| In circulation | 531.06 M ATOM | 73.66 B USDC |
| Market cap | $791.17 M | $73.63 B |
| Rank by cap | #81 | #6 |
| Network | — | Optimism |
| Fees are paid in | — | ETH |