Swap Simon's Cat (CAT) 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 Nov 1, 2026 20:44
- Payout network
- Optimism
- 24 hours
- +0.21%
The figure is indicative; the exact amount is locked in the order.
The direction runs at 0.00000163503 USDC Optimism per CAT, or 611,608.29 CAT per USDC Optimism. Market over 24 hours: CAT against USDC Optimism plus 0.21%. The week added minus 5.38%.
The weekly corridor ran from 0.00000157474 to 0.00000176717 USDC Optimism, a spread of 12.22%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Simon's Cat sits 1134th ($12.25 M) and USD Coin 6th ($71.55 B). Daily moves of CAT and USDC over 90 days line up at -0.02 (they travel apart).
Who takes the CAT → USDC Optimism route
- Sitting out the swingsCAT moved −27.4% over the past month. USDC tracks the dollar, so after the swap the value stops following CAT.
- A road both waysThe USDC Optimism → CAT direction is open too, so going back into CAT takes the same route.
CAT → USDC Optimism rate and amounts
Send CAT — receive USDC Optimism
| CAT | USDC Optimism |
|---|---|
| 10,000,000 | 16.3503 |
| 50,000,000 | 81.7517 |
| 200,000,000 | 327.0067 |
| 2,000,000,000 | 3,270.07 |
| 10,000,000,000 | 16,350.33 |
| 50,000,000,000 | 81,751.67 |
Need USDC Optimism — send this much CAT
| USDC Optimism | CAT |
|---|---|
| 10 | 6,116,082.94 |
| 50 | 30,580,414.69 |
| 500 | 305,804,146.9 |
| 2,000 | 1,223,216,587.58 |
| 20,000 | 12,232,165,875.85 |
| 100,000 | 61,160,829,379.23 |
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 CAT | From | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 0.00000163503 | 99,800,399.2 CAT | ≈ $0.0063 | medium |
| Solana | 0.00000163503 | 99,800,399.2 CAT | ≈ $0.00047 | fast |
| Polygon | 0.00000163503 | 99,800,399.2 CAT | ≈ $0.0017 | fast |
| Arbitrum One | 0.00000163503 | — | ≈ $0.0029 | fast |
| BASE | 0.00000163503 | — | — | — |
| BNB Smart Chain (BEP20) | 0.00000163503 | — | ≈ $0.0023 | fast |
| Avalanche C-Chain | 0.00000163503 | — | ≈ $0.0014 | fast |
| NEAR | 0.00000163503 | — | — | — |
| Optimism open now | 0.00000163503 | — | ≈ $0.00015 | fast |
| XLM | 0.00000163503 | — | — | — |
How the CAT → 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 CAT in Simon's Cat 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 CAT
- 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 CAT to USDC Optimism rate has been
- 24 hours
- +0.21%
- Week
- −5.38%
- Weekly high
- 0.00000176717 USDC Optimism
- Weekly low
- 0.00000157474 USDC Optimism
- Spread
- 12.22%
Market data from CoinGecko as of Nov 1, 2026 16:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far CAT/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.00000163648 | 0.00000162103 | 0.00000162781 | +0.21% |
| Week | 0.00000176717 | 0.00000157474 | 0.00000168412 | −5.38% |
| Month | 0.00000227902 | 0.0000016067 | 0.00000191585 | −27.39% |
| Quarter | 0.00000253313 | 0.00000136538 | 0.00000192592 | +19.19% |
Figures are in USDC Optimism per unit sent, from market data.
Daily CAT → USDC Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Nov 1, 2026 | 0.00000162732 USDC Optimism | +0.05% |
| Oct 31, 2026 | 0.00000162657 USDC Optimism | +1.24% |
| Oct 30, 2026 | 0.0000016067 USDC Optimism | −8.51% |
| Oct 29, 2026 | 0.00000175615 USDC Optimism | +0.65% |
| Oct 28, 2026 | 0.00000174474 USDC Optimism | +1.67% |
| Oct 27, 2026 | 0.00000171603 USDC Optimism | +0.75% |
| Oct 26, 2026 | 0.00000170319 USDC Optimism | −1.36% |
Daily RubyCash rate: CAT → USDC Optimism
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 1, 2026 | 0.00000163487 USDC Optimism | 0.00000163006 |
| Oct 31, 2026 | 0.00000163774 USDC Optimism | 0.00000163 |
| Oct 30, 2026 | 0.00000166135 USDC Optimism | 0.0000016006 |
| Oct 29, 2026 | 0.00000168009 USDC Optimism | 0.00000163136 |
| Oct 28, 2026 | 0.00000176934 USDC Optimism | 0.0000017508 |
| Oct 27, 2026 | 0.00000176042 USDC Optimism | 0.00000174118 |
| Oct 26, 2026 | 0.00000172611 USDC Optimism | 0.00000171122 |
| Oct 25, 2026 | 0.00000173466 USDC Optimism | 0.00000173075 |
| Oct 24, 2026 | 0.00000173231 USDC Optimism | 0.00000172071 |
| Oct 22, 2026 | 0.00000175912 USDC Optimism | 0.0000017308 |
| Oct 21, 2026 | 0.00000185456 USDC Optimism | 0.00000185056 |
| Oct 20, 2026 | 0.00000183383 USDC Optimism | 0.00000182044 |
| Oct 19, 2026 | 0.00000190962 USDC Optimism | 0.00000185022 |
| Oct 18, 2026 | 0.00000180479 USDC Optimism | 0.00000179035 |
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 CAT and USDC
- Price
- $0.00000163
- 24 hours
- +0.22%
- Week
- −5.42%
- Market cap
- $12.25 M
- 24-hour turnover
- $496.73 K
- Rank by cap
- #1134
- In circulation
- 7.5 T CAT
- Record price
- $0.00006811
- Price
- $0.999966
- 24 hours
- +0.01%
- Week
- +0.03%
- Market cap
- $71.55 B
- 24-hour turnover
- $5.91 B
- Rank by cap
- #6
- In circulation
- 71.55 B USDC
- Record price
- $1.04
Source: CoinGecko, Nov 1, 2026 16:54.
Simon's Cat against USD Coin
| Simon's Cat (CAT) | USD Coin (USDC) | |
|---|---|---|
| Ticker | CAT | USDC |
| In circulation | 7.5 T CAT | 71.55 B USDC |
| Market cap | $12.25 M | $71.55 B |
| Rank by cap | #1134 | #6 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2018 |
| Built by | — | Circle |
| Supply cap | — | no cap |
Daily moves of CAT and USDC over 90 days line up at -0.02 — they travel apart.