Stablecoins from OP Mainnet (Optimism) to BNB Smart Chain: USDC Optimism → USDT BEP20

Q: What rate does USDC Optimism to USDT BEP20 run at?

As of Sep 18, 2026 04:03 it is 1 USDC Optimism = 1.0009 USDT BEP20. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $1.00.

Q: What amounts does USDC Optimism → USDT BEP20 accept?

From 200 to 10,000,000 USDC Optimism per order. The lower limit is roughly $199.93.

Q: Where does the 200 USDC Optimism floor come from?

Network fees and order handling eat a small transfer alive — below 200 USDC Optimism the swap stops making sense for either side.

Q: 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 USDC Optimism, and that one goes to the blockchain, not to us.

Q: How long does USDC Optimism to USDT BEP20 take?

The clock starts with confirmations: the order goes into work once Optimism confirms your transfer. After that it comes down to how busy the network is. A block in Optimism closes in about 2 sec.

Q: Will native USDT arrive, or a wrapper?

USDT BEP20 is the standard USDT token in BNB Smart Chain — exactly what exchanges send when they withdraw into this network.

Q: Do I need BNB to receive USDT BEP20?

Not to receive. BNB comes into play later, when you want to send USDT from your address.

Q: Which network will USDT BEP20 arrive in?

The payout leaves in BNB Smart Chain (BEP20). Make sure the receiving wallet works with that network.

Q: 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.

Q: 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.

The direction runs at 1.0009 USDT BEP20 per USDC Optimism, or 0.999101 USDC Optimism per USDT BEP20. Market over 24 hours: USDC Optimism against USDT BEP20 a move of 0%. The week added plus 0.01%.

The weekly corridor ran from 1 to 1.0004 USDT BEP20, a spread of 0.04%. A single order takes 200 to 10,000,000 USDC Optimism. In dollars that is roughly $199.93.

The payout leaves in the BNB Smart Chain (BEP20) network, so the receiving address has to belong to that network. By market cap USD Coin sits 6th ($73.86 B) and Tether 3th ($183.32 B). Daily moves of USDC and USDT over 90 days line up at 0.16 (they travel apart).

Who takes the USDC Optimism → USDT BEP20 route

A road both waysThe USDT BEP20 → USDC Optimism direction is open too, so going back into USDC takes the same route.

USDC Optimism → USDT BEP20 rate and amounts

1 USDC Optimism = 1.0009 USDT BEP20

1 USDT BEP20 = 0.999101 USDC Optimism

Send USDC Optimism — receive USDT BEP20

USDC Optimism	USDT BEP20
200	200.18
1,000	1,000.9
2,000	2,001.8
10,000	10,009
20,000	20,018
100,000	100,090

Need USDT BEP20 — send this much USDC Optimism

USDT BEP20	USDC Optimism
500	499.5504
1,000	999.1008
5,000	4,995.5
10,000	9,991.01
50,000	49,955.04
100,000	99,910.08

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 USDC Optimism	From	Network fee	Speed
OMNI	1.0009	—	—	—
Ethereum (ERC20)	1.0009	200 USDC Optimism	≈ $0.0089	medium
TRON (TRC20)	1.0009	200 USDC Optimism	≈ $2.3	fast
BNB Smart Chain (BEP20) open now	1.0009	200 USDC Optimism	≈ $0.0024	fast
Solana	1.0009	200 USDC Optimism	≈ $0.0005	fast
Polygon	1.0009	200 USDC Optimism	≈ $0.0018	fast
Arbitrum One	1.0009	200 USDC Optimism	≈ $0.0032	fast
TON	1.0009	200 USDC Optimism	low	fast
Avalanche C-Chain	1.0009	—	≈ < $0.0001	fast
NEAR	1.0009	—	—	—
Optimism	1.0009	—	≈ $0.00016	fast

USDT network fees

How the USDC Optimism → USDT BEP20 order runs

Work out the amount in the calculator: orders start at 200 USDC Optimism.
Enter a USDT address in BNB Smart Chain (BEP20) and a way to reach you.
Send USDC Optimism in Optimism 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.

Swap USDC Optimism for USDT BEP20

Check this before sending USDC Optimism

The address network is BNB Smart Chain (BEP20). Sending through another network usually means losing the transfer.
The transfer must not be smaller than 200 USDC Optimism.
Copy the address whole, then compare the first and last characters after pasting.
Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon all use the same address shape (0x…). Make sure the wallet is switched to BNB Smart Chain.
To move USDT on later, put a little BNB at the same address.
Coins go through an AML check: a flagged transfer can be held until the check is finished.

OP Mainnet (Optimism) against BNB Smart Chain

	OP Mainnet (Optimism)	BNB Smart Chain
Network type	L2, optimistic rollup	Layer one (L1)
Fees are paid in	ETH	BNB
Fee level	≈ $0.00016	≈ $0.0024
Speed	fast	fast
Block	~2 sec	—
Address shape	0x…	0x…
Memo or tag	not needed	not needed
Ethereum-style address (0x…)	yes	yes
Official withdrawal to Ethereum	≈ 7 days (challenge period)	—

Fee and speed levels are comparative: both move with how busy the network is.

How this differs from a classic bridge

	RubyCash	Classic bridge
What lands at your address	USDT in BNB Smart Chain	The same stablecoin; turning USDT into USDC is a separate step
Wallet and signatures	Not needed: the coins go to the address from the order	Needed: connect the wallet and sign contract transactions
A coin for fees in BNB Smart Chain	Not needed to receive	Often needed, or the funds cannot be claimed or moved on
Timing	After confirmations in OP Mainnet (Optimism); the order page tracks it	Depends on the bridge and the load of both networks
Who holds the funds meanwhile	RubyCash for the life of the order, with an AML check	The bridge contract or its validators

Bridge OP Mainnet (Optimism) → BNB Smart Chain: all directions The BNB Smart Chain network

Where the USDC Optimism to USDT BEP20 rate has been

WeekMonthQuarterYear

high 1.0004 USDT BEP20low 1 USDT BEP20

Sep 11, 2026 04:05Sep 18, 2026 04:05

high 1.0004 USDT BEP20low 0.999785 USDT BEP20

Aug 18, 2026 03:00Sep 17, 2026 03:00

high 1.0007 USDT BEP20low 0.999785 USDT BEP20

Jun 19, 2026 03:00Sep 17, 2026 03:00

high 1.0032 USDT BEP20low 0.998284 USDT BEP20

Sep 18, 2025 03:00Sep 17, 2026 03:00

24 hours: 0%
Week: +0.01%
Weekly high: 1.0004 USDT BEP20
Weekly low: 1 USDT BEP20
Spread: 0.04%

Market data from CoinGecko as of Sep 18, 2026 01:24; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDC Optimism/USDT BEP20 travelled, by period

Period	High	Low	Middle	Net move
24 hours	1.0004	1.0003	1.0004	0%
Week	1.0004	1	1.0002	+0.01%
Month	1.0004	0.999785	1.0001	0%
Quarter	1.0007	0.999785	1.0003	0%

Figures are in USDT BEP20 per unit sent, from market data.

Daily USDC Optimism → USDT BEP20 rate

Day	Close	Against the day before
Sep 17, 2026	1.0004 USDT BEP20	+0.01%
Sep 16, 2026	1.0003 USDT BEP20	+0.03%
Sep 15, 2026	1 USDT BEP20	−0.01%
Sep 14, 2026	1.0002 USDT BEP20	+0.01%
Sep 13, 2026	1.0001 USDT BEP20	0%
Sep 12, 2026	1 USDT BEP20	−0.02%
Sep 11, 2026	1.0002 USDT BEP20	0%

Daily RubyCash rate: USDC Optimism → USDT BEP20

Date	RubyCash rate	Market rate
Sep 18, 2026	1.0009 USDT BEP20	1.0003
Sep 17, 2026	1.001 USDT BEP20	1.0003
Sep 16, 2026	1.0007 USDT BEP20	1.0003

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 USDC and USDT

USD Coin USDC

Price: $0.999648
24 hours: −0.01%
Week: 0%
Market cap: $73.86 B
24-hour turnover: $15.35 B
Rank by cap: #6
In circulation: 73.88 B USDC
Record price: $1.04

Tether USDT

Price: $0.999311
24 hours: −0.01%
Week: 0%
Market cap: $183.32 B
24-hour turnover: $50.47 B
Rank by cap: #3
In circulation: 183.44 B USDT
Record price: $1.32

Source: CoinGecko, Sep 18, 2026 01:24.

USD Coin against Tether

	USD Coin (USDC)	Tether (USDT)
Ticker	USDC	USDT
Type	token	token
Network	Optimism	BNB Smart Chain (BEP20)
Fees are paid in	ETH	BNB
Launched	2018	2014
Built by	Circle	Tether Limited
Supply cap	no cap	no cap
In circulation	73.88 B USDC	183.44 B USDT
Market cap	$73.86 B	$183.32 B
Rank by cap	#6	#3

Daily moves of USDC and USDT over 90 days line up at 0.16 — they travel apart.

Common questions: USDC Optimism → USDT BEP20

What rate does USDC Optimism to USDT BEP20 run at?

As of Sep 18, 2026 04:03 it is 1 USDC Optimism = 1.0009 USDT BEP20. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $1.00.

What amounts does USDC Optimism → USDT BEP20 accept?

From 200 to 10,000,000 USDC Optimism per order. The lower limit is roughly $199.93.

Where does the 200 USDC Optimism floor come from?

Network fees and order handling eat a small transfer alive — below 200 USDC Optimism the swap stops making sense for either side.

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 USDC Optimism, and that one goes to the blockchain, not to us.

How long does USDC Optimism to USDT BEP20 take?

The clock starts with confirmations: the order goes into work once Optimism confirms your transfer. After that it comes down to how busy the network is. A block in Optimism closes in about 2 sec.

Will native USDT arrive, or a wrapper?

USDT BEP20 is the standard USDT token in BNB Smart Chain — exactly what exchanges send when they withdraw into this network.

Do I need BNB to receive USDT BEP20?

Not to receive. BNB comes into play later, when you want to send USDT from your address.

Which network will USDT BEP20 arrive in?

The payout leaves in BNB Smart Chain (BEP20). 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 USDC Optimism to USDT BEP20 rate do this month?

The month came in at a move of 0%. Low 0.999785, high 1.0004, middle 1.0001 USDT BEP20 per USDC Optimism.

Can I go back, USDT BEP20 to USDC Optimism?

Yes, the reverse direction is open: 1 USDT BEP20 = 0.9993 USDC Optimism. The link sits right under the calculator.