Swap Simon's Cat (CAT) for Tether (USDT 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 07:04
- Payout network
- Optimism
- 24 hours
- −0.41%
You get
USDT Optimism
Start the order
USDT Optimism
The figure is indicative; the exact amount is locked in the order.
One CAT buys 0.00000164004 USDT Optimism right now; the other way round, 1 USDT Optimism is 609,742.49 CAT. Market over 24 hours: CAT against USDT Optimism minus 0.41%. The week added minus 6.62%.
The weekly corridor ran from 0.0000015758 to 0.00000176819 USDT Optimism, a spread of 12.21%.
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 ($12.19 M) and Tether 3th ($180.03 B). Daily moves of CAT and USDT over 90 days line up at 0.08 (they travel apart).
Who takes the CAT → USDT Optimism route
- Sitting out the swingsCAT moved −28.26% over the past month. USDT tracks the dollar, so after the swap the value stops following CAT.
- A road both waysThe USDT Optimism → CAT direction is open too, so going back into CAT takes the same route.
CAT → USDT Optimism rate and amounts
1 CAT = 0.00000164004 USDT Optimism
1 USDT Optimism = 609,742.49 CAT
Send CAT — receive USDT Optimism
| CAT | USDT Optimism |
|---|---|
| 10,000,000 | 16.4004 |
| 50,000,000 | 82.0018 |
| 200,000,000 | 328.0073 |
| 2,000,000,000 | 3,280.07 |
| 10,000,000,000 | 16,400.37 |
| 50,000,000,000 | 82,001.83 |
Need USDT Optimism — send this much CAT
| USDT Optimism | CAT |
|---|---|
| 20 | 12,194,849.79 |
| 100 | 60,974,248.93 |
| 500 | 304,871,244.64 |
| 5,000 | 3,048,712,446.35 |
| 20,000 | 12,194,849,785.41 |
| 100,000 | 60,974,248,927.04 |
Payout network for USDT
The same USDT 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 |
|---|---|---|---|---|
| OMNI | 0.00000164004 | — | — | — |
| Ethereum (ERC20) | 0.00000164004 | 99,800,399.2 CAT | ≈ $0.0061 | medium |
| TRON (TRC20) | 0.00000164004 | 99,800,399.2 CAT | ≈ $2.1 | fast |
| BNB Smart Chain (BEP20) | 0.00000164004 | 99,800,399.2 CAT | ≈ $0.0023 | fast |
| Solana | 0.00000164004 | 99,800,399.2 CAT | ≈ $0.00048 | fast |
| Polygon | 0.00000164004 | 99,800,399.2 CAT | ≈ $0.00067 | fast |
| Arbitrum One | 0.00000164004 | 99,800,399.2 CAT | ≈ $0.0029 | fast |
| TON | 0.00000164004 | 99,800,399.2 CAT | low | fast |
| Avalanche C-Chain | 0.00000164004 | — | ≈ $0.0014 | fast |
| NEAR | 0.00000164004 | — | — | — |
| Optimism open now | 0.00000164004 | — | ≈ $0.00015 | fast |
How the CAT → USDT Optimism order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDT 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, Tether 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 USDT Optimism rate has been
high 0.00000176819 USDT Optimismlow 0.0000015758 USDT Optimism
Oct 25, 2026 07:06Nov 1, 2026 07:06
high 0.00000228334 USDT Optimismlow 0.00000160803 USDT Optimism
Oct 1, 2026 03:00Oct 31, 2026 03:00
high 0.00000253298 USDT Optimismlow 0.00000136588 USDT Optimism
Aug 2, 2026 03:00Oct 31, 2026 03:00
high 0.00000517156 USDT Optimismlow 0.00000126215 USDT Optimism
Nov 1, 2025 03:00Oct 31, 2026 03:00
- 24 hours
- −0.41%
- Week
- −6.62%
- Weekly high
- 0.00000176819 USDT Optimism
- Weekly low
- 0.0000015758 USDT Optimism
- Spread
- 12.21%
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 CAT/USDT Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.00000163483 | 0.00000161799 | 0.00000162645 | −0.41% |
| Week | 0.00000176819 | 0.0000015758 | 0.00000169074 | −6.62% |
| Month | 0.00000228334 | 0.00000160803 | 0.00000193816 | −28.25% |
| Quarter | 0.00000253298 | 0.00000136588 | 0.0000019238 | +18.62% |
Figures are in USDT Optimism per unit sent, from market data.
Daily CAT → USDT Optimism rate
| Day | Close | Against the day before |
|---|---|---|
| Oct 31, 2026 | 0.00000163827 USDT Optimism | +1.88% |
| Oct 30, 2026 | 0.00000160803 USDT Optimism | −8.47% |
| Oct 29, 2026 | 0.00000175692 USDT Optimism | +0.65% |
| Oct 28, 2026 | 0.00000174565 USDT Optimism | +1.66% |
| Oct 27, 2026 | 0.00000171719 USDT Optimism | +0.75% |
| Oct 26, 2026 | 0.00000170442 USDT Optimism | −1.33% |
| Oct 25, 2026 | 0.00000172742 USDT Optimism | −1.84% |
Daily RubyCash rate: CAT → USDT Optimism
| Date | RubyCash rate | Market rate |
|---|---|---|
| Nov 1, 2026 | 0.00000164004 USDT Optimism | 0.00000162088 |
| Oct 31, 2026 | 0.00000164004 USDT Optimism | 0.00000163085 |
| Oct 30, 2026 | 0.00000166417 USDT Optimism | 0.00000160161 |
| Oct 29, 2026 | 0.00000168227 USDT Optimism | 0.00000163233 |
| Oct 28, 2026 | 0.00000177076 USDT Optimism | 0.00000175153 |
| Oct 27, 2026 | 0.00000176271 USDT Optimism | 0.00000174209 |
| Oct 26, 2026 | 0.00000172852 USDT Optimism | 0.00000171232 |
| Oct 25, 2026 | 0.00000173657 USDT Optimism | 0.00000173161 |
| Oct 24, 2026 | 0.00000173456 USDT Optimism | 0.00000172148 |
| Oct 22, 2026 | 0.0000017607 USDT Optimism | 0.00000173175 |
| Oct 21, 2026 | 0.00000185623 USDT Optimism | 0.00000185117 |
| Oct 20, 2026 | 0.00000183511 USDT Optimism | 0.00000182144 |
| Oct 19, 2026 | 0.00000191153 USDT Optimism | 0.00000185152 |
| Oct 18, 2026 | 0.00000180696 USDT Optimism | 0.00000179141 |
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 USDT
Simon's Cat CAT- Price
- $0.00000162
- 24 hours
- −0.37%
- Week
- −6.04%
- Market cap
- $12.19 M
- 24-hour turnover
- $513.88 K
- Rank by cap
- #1134
- In circulation
- 7.5 T CAT
- Record price
- $0.00006811
Tether USDT- Price
- $0.999459
- 24 hours
- +0.03%
- Week
- +0.05%
- Market cap
- $180.03 B
- 24-hour turnover
- $25.54 B
- Rank by cap
- #3
- In circulation
- 180.12 B USDT
- Record price
- $1.32
Source: CoinGecko, Nov 1, 2026 06:24.
Simon's Cat against Tether
| Simon's Cat (CAT) | Tether (USDT) | |
|---|---|---|
| Ticker | CAT | USDT |
| In circulation | 7.5 T CAT | 180.12 B USDT |
| Market cap | $12.19 M | $180.03 B |
| Rank by cap | #1134 | #3 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2014 |
| Built by | — | Tether Limited |
| Supply cap | — | no cap |
Daily moves of CAT and USDT over 90 days line up at 0.08 — they travel apart.
Common questions: CAT → USDT Optimism
What rate does CAT to USDT Optimism run at?
As of Nov 1, 2026 07:04 it is 1 CAT = 0.00000164004 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.00000163915.
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 CAT, and that one goes to the blockchain, not to us.
How long does CAT to USDT Optimism take?
The clock starts with confirmations: the order goes into work once Simon's Cat confirms your transfer. After that it comes down to how busy the network is.
Which network will USDT Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDT cheaper?
The cheapest is usually USDT BEP20, USDT SOL, USDT Polygon, USDT Arbitrum, USDT TON, USDT AVAX C, USDT Optimism. 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 CAT to USDT Optimism rate do this month?
The month came in at minus 28.25%. Low 0.00000160803, high 0.00000228334, middle 0.00000193816 USDT Optimism per CAT.
Can I go back, USDT Optimism to CAT?
Yes, the reverse direction is open: 1 USDT Optimism = 614,659.72 CAT. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send CAT, receive something else
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