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  1. USDT Optimism (OP Mainnet (Optimism)) → USDC Polygon (Polygon PoS)

USDT Optimism (OP Mainnet (Optimism)) → USDC Polygon (Polygon PoS)

The stablecoin leaves for another network: you send USDT Optimism in OP Mainnet (Optimism) and take USDC Polygon in Polygon PoS. All of it is one order.

Rate and amounts for USDT Optimism → USDC Polygon 1 USDT Optimism = 0.998692 USDC Polygon 1 USDC Polygon = 1.0013 USDT Optimism

Rate as of Nov 1, 2026 07:29

Orders from
100.67 USDT Optimism ≈ $100.62
Payout network
Polygon
24 hours
+0.02%
You get 1,997.38 USDC Polygon
Create the order
Rate
1 USDT Optimism = 0.998692 USDC Polygon
From
100.67 USDT Optimism
Up to
10,000,000 USDT Optimism

Preliminary figure: the final amount is locked in the order.

Right now 1 USDT Optimism gets you 0.998692 USDC Polygon; the other way round, 1 USDC Polygon is 1.0013 USDT Optimism. Over 24 hours USDT Optimism/USDC Polygon came in at plus 0.02%. Over the week, plus 0.01%.

The weekly range ran from 0.998807 to 0.999745 USDC Polygon, a spread of 0.09%. One order takes from 100.67 to 10,000,000 USDT Optimism. In dollars that is roughly $100.62.

The robot sends the payout in the Polygon network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts Tether at No. 3 ($180.04 B) and USD Coin at No. 6 ($71.71 B). Over 90 days the daily moves of USDT and USDC correlate at 0.13 (they travel apart).

Which network USDC arrives in

The same USDC goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

NetworkPer 1 USDT OptimismFromNetwork feeSpeed
Ethereum (ERC20)0.998692100.67 USDT Optimism≈ $0.0055medium
TRON (TRC20)0.998692100.67 USDT Optimism≈ $2.1fast
Solana0.998692100.67 USDT Optimism≈ $0.00048fast
Arbitrum One0.998692100.67 USDT Optimism≈ $0.0029fast
BASE0.998692100.67 USDT Optimism——
BNB Smart Chain (BEP20)0.998692100.67 USDT Optimism≈ $0.0023fast
Avalanche C-Chain0.998692100.67 USDT Optimism≈ $0.0014fast
NEAR0.998692100.67 USDT Optimism——
Optimism0.998692100.67 USDT Optimism≈ $0.00015fast
Polygon open0.998692100.67 USDT Optimism≈ $0.0016fast
XLM0.998692100 USDT Optimism——

Network charges for USDC

Rate and amounts for USDT Optimism → USDC Polygon

USDT OptimismUSDC Polygon
200199.7383
1,000998.6917
2,0001,997.38
10,0009,986.92
20,00019,973.83
100,00099,869.17
USDC PolygonUSDT Optimism
200200.262
1,0001,001.31
2,0002,002.62
10,00010,013.1
20,00020,026.2
100,000100,131

How the USDT Optimism → USDC Polygon exchange runs

  1. Work out the amount in the calculator — orders start at 100.67 USDT Optimism.
  2. Give a USDC address on Polygon and a contact for the order.
  3. Send USDT Optimism on Optimism, exactly the amount the order shows.
  4. Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends USD Coin to your address. The order page shows the status.

Swap USDT Optimism for USDC Polygon

Check this before sending USDT Optimism

  • The address network is Polygon. Sending through another network almost always means losing the transfer.
  • The transfer must not be smaller than 100.67 USDT Optimism.
  • Copy the address in full, then check its first and last characters once it is pasted.
  • Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon addresses look the same (0x…) — make sure the wallet is switched to Polygon PoS.
  • Keep a reserve of POL at the same address — without it USDC cannot be sent on later.
  • Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the USDT Optimism to USDC Polygon rate has moved

high 0.999745 USDC Polygonlow 0.998807 USDC Polygon
Oct 25, 2026 07:33Nov 1, 2026 07:33
high 0.999991 USDC Polygonlow 0.999117 USDC Polygon
Oct 1, 2026 05:00Oct 31, 2026 05:00
high 1.0002 USDC Polygonlow 0.999117 USDC Polygon
Aug 2, 2026 05:00Oct 31, 2026 05:00
high 1.0031 USDC Polygonlow 0.996801 USDC Polygon
Nov 1, 2025 05:00Oct 31, 2026 05:00
24 hours
+0.02%
Week
+0.01%
Weekly high
0.999745 USDC Polygon
Weekly low
0.998807 USDC Polygon
Spread
0.09%

Market data from CoinGecko as of Nov 1, 2026 07:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The USDT Optimism/USDC Polygon spread by period

PeriodHighLowMiddlePeriod result
24 hours0.9995320.9993010.999409+0.02%
Week0.9997450.9988070.999427+0.01%
Month0.9999910.9991170.999556−0.03%
Quarter1.00020.9991170.999739−0.03%

Figures are in USDC Polygon per unit of the currency you send, taken from market data.

Daily USDT Optimism → USDC Polygon rate

DayCloseAgainst the day before
Oct 31, 20260.999416 USDC Polygon+0.02%
Oct 30, 20260.999176 USDC Polygon−0.04%
Oct 29, 20260.999561 USDC Polygon+0.01%
Oct 28, 20260.999478 USDC Polygon+0.02%
Oct 27, 20260.999325 USDC Polygon0%
Oct 26, 20260.999282 USDC Polygon−0.03%
Oct 25, 20260.99955 USDC Polygon+0.01%

How the Velorex rate moved: USDT Optimism → USDC Polygon day by day

DayVelorex rateMarket rate
Nov 1, 20260.998592 USDC Polygon0.999521
Oct 31, 20260.998692 USDC Polygon0.999467
Oct 30, 20260.998293 USDC Polygon0.999293
Oct 29, 20260.998791 USDC Polygon0.99945
Oct 28, 20260.999191 USDC Polygon0.999571
Oct 27, 20260.998791 USDC Polygon0.999494
Oct 26, 20260.998592 USDC Polygon0.999386
Oct 25, 20260.998891 USDC Polygon0.999385
Oct 24, 20260.998692 USDC Polygon0.999556
Oct 23, 20260.998791 USDC Polygon0.999505
Oct 22, 20260.99929 USDC Polygon0.999479
Oct 21, 20260.999091 USDC Polygon0.999691
Oct 20, 20260.99929 USDC Polygon0.999493
Oct 19, 20260.998991 USDC Polygon0.999321

Our own rate is recorded every hour, and the table keeps the last entry of the day. The column beside it is the ratio of the prices of the same two coins on CoinGecko at that same hour. How these numbers are counted

Market data: USDT and USDC

Tether USDT
Price
$0.999529
24 hours
+0.04%
Week
+0.04%
Market cap
$180.04 B
24-hour turnover
$25.77 B
Rank by cap
#3
In circulation
180.12 B USDT
All-time high
$1.32
USD Coin USDC
Price
$1.00
24 hours
+0.02%
Week
+0.04%
Market cap
$71.71 B
24-hour turnover
$5.9 B
Rank by cap
#6
In circulation
71.71 B USDC
All-time high
$1.04

Source: CoinGecko, Nov 1, 2026 07:27.

Tether and USD Coin: how they differ

Tether (USDT)USD Coin (USDC)
TickerUSDTUSDC
Typetokentoken
NetworkOptimismPolygon
Fees are paid inETHPOL
Launched20142018
Built byTether LimitedCircle
Supply capno capno cap
In circulation180.12 B USDT71.71 B USDC
Market cap$180.04 B$71.71 B
Rank by cap#3#6

Daily moves of USDT and USDC over the quarter link at 0.13 (they travel apart).

Compared: OP Mainnet (Optimism) and Polygon PoS

OP Mainnet (Optimism)Polygon PoS
What kind of networkOptimistic rollup (L2)Sidechain, writes checkpoints to Ethereum
What pays the feeETHPOL
How expensive≈ $0.00015≈ $0.0016
How fastfastfast
Block time~2 sec~2 sec
Address format0x…0x…
Memo or tag needednot requirednot required
Ethereum-format address (0x…)yesyes
Withdrawal to Ethereum through the official bridge≈ 7 days — the challenge window runs—

The cost and speed marks are given against each other: both drift with the load on the network.

How an exchange differs from an ordinary bridge

VelorexOrdinary bridge
What arrives at the addressthe USDC token in the Polygon PoS networkThe very same stablecoin: turning USDT into USDC is one more operation
Wallet connection and signaturesWe do without them: the payout goes to the address from the orderMandatory: the wallet is connected, contract transactions are signed
Is a Polygon PoS coin needed for feesNot required to receiveAs a rule yes, otherwise the funds cannot be claimed or moved on
When it arrivesAs soon as OP Mainnet (Optimism) gathers confirmations; the status is shown on the order pageSet by the bridge itself and by the load on both networks
Who holds the funds on the wayVelorex — until the order is closed by the payoutThe smart contract of the bridge or its validators

OP Mainnet (Optimism) → Polygon PoS: the full list of directions The Polygon PoS blockchain

Why people take the USDT Optimism → USDC Polygon route

  • It works both waysThe USDC Polygon → USDT Optimism direction is open as well — going back into USDT takes the same route and the same automation.

Common questions: USDT Optimism → USDC Polygon

What rate does USDT Optimism to USDC Polygon run at?
As of Nov 1, 2026 07:29 it is 1 USDT Optimism = 0.998692 USDC Polygon. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.998692.
What amounts does USDT Optimism → USDC Polygon accept?
From 100.67 to 10,000,000 USDT Optimism per order. The floor is roughly $100.62.
Why can I not swap less than 100.67 USDT Optimism?
The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDT Optimism they eat a noticeable share of it, and the swap stops making sense for either side.
Is anything charged on top of the rate?
No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending USDT Optimism, and the blockchain takes that one.
How long does swapping USDT Optimism for USDC Polygon take?
The clock starts with confirmations: as soon as Optimism confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant. A block in Optimism closes in about 2 sec.
Will real USDC be credited, or a wrapper?
USDC Polygon is the ordinary USDC token of the Polygon PoS network: exactly the same one an exchange sends when you withdraw into this blockchain.
Is POL needed to receive USDC Polygon?
Not to receive. POL comes in handy later, when you decide to move USDC from your address.
Which network will USDC Polygon arrive in?
The payout goes out on Polygon. Check that the receiving wallet supports that network.
Which network is cheaper for receiving USDC?
Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.
What happens if the rate moves while I am paying?
Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
What did the USDT Optimism to USDC Polygon rate do over the month?
Over the month, minus 0.03%: a low of 0.999117, a high of 0.999991, an average of 0.999556 USDC Polygon per 1 USDT Optimism.
Can I swap back, USDC Polygon for USDT Optimism?
Yes, the reverse is open too: 1 USDC Polygon = 1.0013 USDT Optimism. The link to switch sits under the calculator.

Related reading

Other directions

The other way round

Send USDT Optimism, receive something else

Receive USDC Polygon, send something else

USDT Optimism USDC Polygon All directions All currencies

Tether (USDT) and USD Coin (USDC): a comparison

OP Mainnet (Optimism) → Polygon PoS: the full list of directions All networks and routes

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