Swap Simon's Cat (CAT) 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 14:24
- Payout network
- BASE
- 24 hours
- +1.28%
The figure is indicative; the exact amount is locked in the order.
The direction runs at 0.00000164643 USDC BASE per CAT, or 607,373.09 CAT per USDC BASE. Market over 24 hours: CAT against USDC BASE plus 1.28%. The week added minus 5.92%.
The weekly corridor ran from 0.00000158127 to 0.00000176569 USDC BASE, a spread of 11.66%.
The payout leaves in the BASE network, so the receiving address has to belong to that network. By market cap Simon's Cat sits 1132th ($12.26 M) and USD Coin 6th ($71.65 B). Daily moves of CAT and USDC over 90 days line up at -0.02 (they travel apart).
Who takes the CAT → USDC BASE 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 BASE → CAT direction is open too, so going back into CAT takes the same route.
CAT → USDC BASE rate and amounts
Send CAT — receive USDC BASE
| CAT | USDC BASE |
|---|---|
| 10,000,000 | 16.4643 |
| 50,000,000 | 82.3217 |
| 200,000,000 | 329.2869 |
| 2,000,000,000 | 3,292.87 |
| 10,000,000,000 | 16,464.34 |
| 50,000,000,000 | 82,321.72 |
Need USDC BASE — send this much CAT
| USDC BASE | CAT |
|---|---|
| 10 | 6,073,730.87 |
| 50 | 30,368,654.36 |
| 500 | 303,686,543.62 |
| 2,000 | 1,214,746,174.5 |
| 20,000 | 12,147,461,744.97 |
| 100,000 | 60,737,308,724.83 |
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) | 0.00000164643 | 99,800,399.2 CAT | ≈ $0.0059 | medium |
| Solana | 0.00000164643 | 99,800,399.2 CAT | ≈ $0.00048 | fast |
| Polygon | 0.00000164643 | 99,800,399.2 CAT | ≈ $0.00023 | fast |
| Arbitrum One | 0.00000164643 | — | ≈ $0.003 | fast |
| BASE open now | 0.00000164643 | — | — | — |
| BNB Smart Chain (BEP20) | 0.00000164643 | — | ≈ $0.0023 | fast |
| Avalanche C-Chain | 0.00000164643 | — | ≈ $0.0014 | fast |
| NEAR | 0.00000164643 | — | — | — |
| Optimism | 0.00000164643 | — | ≈ $0.00015 | fast |
| XLM | 0.00000164643 | — | — | — |
How the CAT → USDC BASE order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in BASE 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 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 CAT to USDC BASE rate has been
- 24 hours
- +1.28%
- Week
- −5.92%
- Weekly high
- 0.00000176569 USDC BASE
- Weekly low
- 0.00000158127 USDC BASE
- Spread
- 11.66%
Market data from CoinGecko as of Nov 1, 2026 11:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far CAT/USDC BASE travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.00000163751 | 0.00000162114 | 0.00000162612 | +1.28% |
| Week | 0.00000176569 | 0.00000158127 | 0.00000168671 | −5.92% |
| Month | 0.00000228278 | 0.0000016067 | 0.00000193698 | −28.77% |
| Quarter | 0.00000253313 | 0.00000136538 | 0.00000192321 | +17.78% |
Figures are in USDC BASE per unit sent, from market data.
Daily CAT → USDC BASE rate
| Day | Close | Against the day before |
|---|---|---|
| Oct 31, 2026 | 0.00000162611 USDC BASE | +1.21% |
| Oct 30, 2026 | 0.0000016067 USDC BASE | −8.51% |
| Oct 29, 2026 | 0.00000175615 USDC BASE | +0.65% |
| Oct 28, 2026 | 0.00000174474 USDC BASE | +1.67% |
| Oct 27, 2026 | 0.00000171603 USDC BASE | +0.75% |
| Oct 26, 2026 | 0.00000170319 USDC BASE | −1.36% |
| Oct 25, 2026 | 0.00000172665 USDC BASE | −1.83% |
Daily RubyCash rate: CAT → USDC BASE
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 1, 2026 | 0.00000164643 USDC BASE | 0.00000163 |
| Oct 31, 2026 | 0.00000163774 USDC BASE | 0.00000163 |
| Oct 30, 2026 | 0.00000166135 USDC BASE | 0.0000016006 |
| Oct 29, 2026 | 0.00000168009 USDC BASE | 0.00000163136 |
| Oct 28, 2026 | 0.00000176934 USDC BASE | 0.0000017508 |
| Oct 27, 2026 | 0.00000176042 USDC BASE | 0.00000174118 |
| Oct 26, 2026 | 0.00000172611 USDC BASE | 0.00000171122 |
| Oct 25, 2026 | 0.00000173466 USDC BASE | 0.00000173075 |
| Oct 24, 2026 | 0.00000173231 USDC BASE | 0.00000172071 |
| Oct 22, 2026 | 0.00000175912 USDC BASE | 0.0000017308 |
| Oct 21, 2026 | 0.00000185456 USDC BASE | 0.00000185056 |
| Oct 20, 2026 | 0.00000183383 USDC BASE | 0.00000182044 |
| Oct 19, 2026 | 0.00000190962 USDC BASE | 0.00000185022 |
| Oct 18, 2026 | 0.00000180479 USDC BASE | 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
- +1.28%
- Week
- −5.65%
- Market cap
- $12.26 M
- 24-hour turnover
- $511.72 K
- Rank by cap
- #1132
- In circulation
- 7.5 T CAT
- Record price
- $0.00006811
- Price
- $1.00
- 24 hours
- +0.01%
- Week
- +0.05%
- Market cap
- $71.65 B
- 24-hour turnover
- $5.88 B
- Rank by cap
- #6
- In circulation
- 71.65 B USDC
- Record price
- $1.04
Source: CoinGecko, Nov 1, 2026 11:54.
Simon's Cat against USD Coin
| Simon's Cat (CAT) | USD Coin (USDC) | |
|---|---|---|
| Ticker | CAT | USDC |
| In circulation | 7.5 T CAT | 71.65 B USDC |
| Market cap | $12.26 M | $71.65 B |
| Rank by cap | #1132 | #6 |
| Type | — | token |
| Network | — | BASE |
| 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.