DAI to Tether (USDT Optimism): Rate, Chart and Comparison

Live Dai to Tether rate, converter, price history, volatility and a side-by-side comparison of both coins. Ready to swap? Open the exchange form.

Rate updated: Sep 17, 2026, 12:29

Minimum: 200 DAI ≈ $200.00
Receiving network: Optimism
24h rate change: +0.01%

You send

DAI

You get 2,000

USDT Optimism

Go to exchange

Rate: 1 DAI = 1 USDT Optimism
Minimum: 200 DAI
Maximum: 10,000,000 DAI

The amount you get is estimated at the current rate.

The current DAI to USDT Optimism exchange rate is 1 USDT Optimism per 1 DAI; the reverse rate is 1 USDT Optimism = 1 DAI. According to market data, the DAI to USDT Optimism rate rose by 0.01% over the last 24 hours. Over the week it rose by 0.03%.

Over the last 7 days the rate moved between 0.999856 and 1.0008 USDT Optimism — a range of 0.09%. You can exchange from 200 to 10,000,000 DAI. That is roughly $200.00 or more.

USDT is sent to your address on the Optimism network, so make sure you provide an address on that network. By market cap, Dai ranks #22 ($4.57 B) and Tether ranks #3 ($183.29 B). The correlation of daily DAI and USDT price changes over the last 90 days is -0.02 (weak).

Why exchange DAI to USDT Optimism

Easy to switch backThe USDT Optimism → DAI direction is also available, so you can move back to DAI if needed.

How much is 1 DAI in USDT Optimism today

1 DAI = 1 USDT Optimism

1 USDT Optimism = 1 DAI

How much USDT Optimism you get for DAI

DAI	USDT Optimism
200	200
1,000	1,000
2,000	2,000
10,000	10,000
20,000	20,000
100,000	100,000

How much DAI you need to get USDT Optimism

USDT Optimism	DAI
200	200
1,000	1,000
2,000	2,000
10,000	10,000
20,000	20,000
100,000	100,000

Which network to receive USDT on

USDT for DAI can be received on different networks: rates and minimums differ, and the network fee depends on the blockchain.

Network	Rate per 1 DAI	Minimum	Network fee	Speed
TRON (TRC20)	0.9999	200 DAI	≈ $2.3	fast
BNB Smart Chain (BEP20)	0.9978	200 DAI	≈ $0.0024	fast
Solana	0.9999	200 DAI	≈ $0.0005	fast
Polygon	0.9999	200 DAI	≈ $0.0017	fast
Ethereum (ERC20)	0.9999	200 DAI	≈ $0.032	moderate
Arbitrum One	1	200 DAI	≈ $0.0032	fast
Optimism this page	1	200 DAI	≈ $0.00017	fast
TON	1	200 DAI	low	fast

DAI → USDT: compare all networks USDT network fees now

Ethereum vs OP Mainnet (Optimism): network comparison

	Ethereum	OP Mainnet (Optimism)
Network type	Layer 1	Layer 2 (optimistic rollup)
Fees are paid in	ETH	ETH
Fee level	≈ $0.032	≈ $0.00017
Speed	moderate	fast
Block time	~12 sec	~2 sec
Address format	0x…	0x…
Memo / tag	not needed	not needed
EVM-compatible addresses (0x…)	yes	yes
Withdrawal to Ethereum via the official bridge	—	~7 days (challenge period)

Fee and speed levels are relative and depend on network load.

Crystal-Trade or a classic bridge: what is the difference

	Crystal-Trade	Classic bridge
What you receive	USDT on OP Mainnet (Optimism)	The same stablecoin; switching between USDT and USDC needs a separate swap
Wallet connection and approvals	Not needed: you send coins to the order address	Needed: you connect a wallet and sign contract transactions
Coins for fees on OP Mainnet (Optimism)	Not needed to receive	Often needed to claim funds or move them after the bridge
Time	After the Ethereum confirmations; the status is shown on the order page	Depends on the bridge and the load of both networks
Who holds the funds during the transfer	Crystal-Trade, for the duration of the order (with an AML check)	The bridge smart contract or its validators

Bridge Ethereum → OP Mainnet (Optimism): all directions OP Mainnet (Optimism) bridge

DAI to USDT Optimism rate chart

7 days30 days90 days1 year

high 1.0008 USDT Optimismlow 0.999856 USDT Optimism

Sep 10, 2026, 12:31Sep 17, 2026, 12:31

high 1.0009 USDT Optimismlow 0.99954 USDT Optimism

Aug 17, 2026, 03:00Sep 16, 2026, 03:00

high 1.0013 USDT Optimismlow 0.99954 USDT Optimism

Jun 18, 2026, 03:00Sep 16, 2026, 03:00

high 1.0019 USDT Optimismlow 0.991085 USDT Optimism

Sep 17, 2025, 03:00Sep 16, 2026, 03:00

24 hours: +0.01%
7 days: +0.03%
7-day high: 1.0008 USDT Optimism
7-day low: 0.999856 USDT Optimism
Range: 0.09%

CoinGecko market data as of Sep 17, 2026, 12:04. The exchange rate may differ from the market rate. How we calculate the data

DAI/USDT Optimism volatility and changes

Period	High	Low	Average	Change
24 hours	1.0008	1.0005	1.0007	+0.01%
7 days	1.0008	0.999856	1.0003	+0.03%
30 days	1.0009	0.99954	1.0001	−0.01%
90 days	1.0013	0.99954	1.0005	+0.01%

Values are in USDT Optimism per 1 unit of the currency you send, based on market data.

DAI to USDT Optimism rate over the last 7 days

Date	Daily close	Daily change
Sep 16, 2026	1.0007 USDT Optimism	+0.06%
Sep 15, 2026	1.0001 USDT Optimism	−0.01%
Sep 14, 2026	1.0002 USDT Optimism	+0.02%
Sep 13, 2026	0.999962 USDT Optimism	−0.01%
Sep 12, 2026	1 USDT Optimism	−0.01%
Sep 11, 2026	1.0001 USDT Optimism	0%
Sep 10, 2026	1.0001 USDT Optimism	+0.01%

DAI and USDT market data

Dai DAI

Price: $0.999987
24h change: −0.01%
7d change: 0%
Market cap: $4.57 B
24h volume: $318.66 M
Market cap rank: #22
Circulating supply: 4.58 B DAI
All-time high: $1.22

Tether USDT

Price: $0.999125
24h change: −0.02%
7d change: −0.1%
Market cap: $183.29 B
24h volume: $58.96 B
Market cap rank: #3
Circulating supply: 183.44 B USDT
All-time high: $1.32

CoinGecko data as of Sep 17, 2026, 12:04.

Dai vs Tether

	Dai (DAI)	Tether (USDT)
Ticker	DAI	USDT
Type	token	token
Launched	2017	2014
Created by	MakerDAO	Tether Limited
Max supply	no cap	no cap
Circulating supply	4.58 B DAI	183.44 B USDT
Market cap	$4.57 B	$183.29 B
Market cap rank	#22	#3
Network	—	Optimism
Network fee paid in	—	ETH

90-day correlation of daily DAI and USDT price changes: -0.02 — weak.

What to know about Dai and Tether

Dai

Dai (DAI) is a decentralized dollar stablecoin created by the Maker protocol (MakerDAO) in 2017 and now part of the Sky ecosystem. Unlike USDT or USDC, DAI is not issued against bank deposits: it is created by users who lock crypto collateral in smart contracts.

Sending and receiving DAI

DAI is an ERC20 token on Ethereum and is also available on other networks such as BNB Smart Chain and Polygon. Check the network before sending and keep some of the native coin for fees.

Tether (USDT)

Tether (USDT) is the largest stablecoin: a token designed to stay at one US dollar. It was launched in 2014 by Tether Limited, which issues USDT against reserves that consist mostly of cash equivalents and short-term US Treasury bills.

Risks and things to know

A stablecoin depends on its issuer: Tether can freeze tokens on specific addresses at the request of authorities, and the peg relies on the reserves. Sending USDT to an address on a different network is one of the most common and costly mistakes.

Optimism network

Optimism is an Ethereum layer-2 network. Addresses use the Ethereum format and fees are paid in ETH at a fraction of mainnet cost.

How to exchange Dai to Tether

Enter the DAI amount in the calculator (minimum 200 DAI) and click “Go to exchange”.
Enter your USDT wallet address on the Optimism network and your contact details.
Send exactly the specified amount of DAI on the Dai network to the details shown in the order.
Once the transfer is confirmed, Tether is sent to your address. You can track the order on its status page.

Exchange DAI to USDT Optimism

What to check before exchanging DAI to USDT Optimism

The recipient address must be on the Optimism network: funds sent on another network may be lost.
The amount sent must be at least 200 DAI.
Copy the whole address and check the first and last characters after pasting.
Addresses on Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon look the same (0x…): make sure the wallet shows OP Mainnet (Optimism) as the network.
To move USDT on OP Mainnet (Optimism) later, you will need a little ETH on the same address.
Funds go through an AML check; high-risk transfers may be held until the check is complete.

DAI to USDT Optimism exchange FAQ

How much is 1 DAI in USDT Optimism today?

As of Sep 17, 2026, 12:29, the exchange rate is 1 DAI = 1 USDT Optimism. It updates automatically; the calculator always shows the latest value. At market prices that is about $0.999125.

What are the minimum and maximum amounts for DAI to USDT Optimism?

The minimum is 200 DAI and the maximum is 10,000,000 DAI. The minimum is roughly $200.00.

Why is there a minimum amount for DAI to USDT Optimism?

The minimum (200 DAI) keeps network fees and order processing from eating a noticeable share of the exchange. Double-check the amount before sending.

Are there extra fees when exchanging DAI to USDT Optimism?

The amount you get is calculated at the exchange rate shown in the calculator. The network fee for sending DAI is paid by the sender and depends on the wallet and network load.

How long does a DAI to USDT Optimism exchange take?

The order is processed once the DAI transfer gets the required number of confirmations on the Dai network. Timing depends on network load. A new block on Dai arrives roughly every 12 sec.

Will I receive native USDT or a wrapped token?

USDT Optimism is the standard USDT token on OP Mainnet (Optimism) — the same one exchanges send when you withdraw to this network.

Do I need ETH to receive USDT Optimism?

Not to receive. You will need ETH later to send USDT from your OP Mainnet (Optimism) address.

How is this different from the official OP Mainnet (Optimism) bridge?

The official deposit from Ethereum to OP Mainnet (Optimism) needs a wallet connection and a contract transaction. On Crystal-Trade you only send DAI to the order address.

Which network will I receive USDT Optimism on?

USDT is sent on the Optimism network. Make sure the recipient address supports this network.

Which network is cheapest to receive USDT?

The lowest network fees are usually on USDT BEP20, USDT SOL, USDT Polygon, USDT Arbitrum, USDT Optimism, USDT TON. Choose a network supported by the recipient’s wallet or exchange.

What happens if the rate changes during the exchange?

The final amount is set in the order when it is created. If the payment arrives after the order expires or in a different amount, it may be recalculated at the current rate, so send the exact amount without delay.

How has the DAI to USDT Optimism rate changed over the last month?

Over 30 days the rate fell by 0.01%: low 0.99954, high 1.0009, average 1.0001 USDT Optimism per 1 DAI.

Do I need to register to exchange DAI to USDT Optimism?

No, you only need to enter the receiving details and contact information in the order.

Can I exchange USDT Optimism back to DAI?

Yes, the reverse direction is available: 1 USDT Optimism = 1 DAI. The link is below the calculator.