Swap Synthetix (SNX) 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 2, 2026 03:29

Payout network: Optimism
24 hours: −1.46%

You send

SNX

You get 0.180252

USDT Optimism

Start the order

Rate: 1 SNX = 0.180252 USDT Optimism
Up to: 55,400,000 SNX

The figure is indicative; the exact amount is locked in the order.

The direction runs at 0.180252 USDT Optimism per SNX, or 5.5478 SNX per USDT Optimism. Market over 24 hours: SNX against USDT Optimism minus 1.46%. The week added minus 8.16%.

The weekly corridor ran from 0.177799 to 0.203778 USDT Optimism, a spread of 14.61%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Synthetix sits 266th ($104.87 M) and Tether 3th ($179.97 B). Daily moves of SNX and USDT over 90 days line up at 0.12 (they travel apart).

Who takes the SNX → USDT Optimism route

Sitting out the swingsSNX moved −29.09% over the past month. USDT tracks the dollar, so after the swap the value stops following SNX.
A road both waysThe USDT Optimism → SNX direction is open too, so going back into SNX takes the same route.

SNX → USDT Optimism rate and amounts

1 SNX = 0.180252 USDT Optimism

1 USDT Optimism = 5.5478 SNX

Send SNX — receive USDT Optimism

SNX	USDT Optimism
100	18.0252
500	90.1262
2,000	360.5049
20,000	3,605.05
100,000	18,025.24
500,000	90,126.22

Need USDT Optimism — send this much SNX

USDT Optimism	SNX
20	110.9555
100	554.7775
500	2,773.89
5,000	27,738.88
20,000	110,955.51
100,000	554,777.53

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 SNX	From	Network fee	Speed
OMNI	0.180252	—	—	—
Ethereum (ERC20)	0.180252	1,020.41 SNX	≈ $0.012	medium
TRON (TRC20)	0.180252	1,020.41 SNX	≈ $2.1	fast
BNB Smart Chain (BEP20)	0.180252	1,020.41 SNX	≈ $0.0023	fast
Solana	0.180252	1,020.41 SNX	≈ $0.00047	fast
Polygon	0.180252	1,020.41 SNX	≈ $0.0016	fast
Arbitrum One	0.180252	1,020.41 SNX	≈ $0.0029	fast
TON	0.180252	1,020.41 SNX	low	fast
Avalanche C-Chain	0.180252	—	≈ $0.0014	fast
NEAR	0.180252	—	—	—
Optimism open now	0.180252	—	≈ $0.00015	fast

SNX → USDT: compare all networks USDT network fees

How the SNX → 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 SNX in Synthetix 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 SNX for USDT Optimism

Check this before sending SNX

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 SNX to USDT Optimism rate has been

WeekMonthQuarterYear

high 0.203778 USDT Optimismlow 0.177799 USDT Optimism

Oct 26, 2026 03:30Nov 2, 2026 03:30

high 0.255663 USDT Optimismlow 0.179793 USDT Optimism

Oct 2, 2026 03:00Nov 1, 2026 03:00

high 0.269236 USDT Optimismlow 0.179793 USDT Optimism

Aug 3, 2026 03:00Nov 1, 2026 03:00

high 1.0587 USDT Optimismlow 0.179793 USDT Optimism

Nov 2, 2025 03:00Nov 1, 2026 03:00

24 hours: −1.46%
Week: −8.16%
Weekly high: 0.203778 USDT Optimism
Weekly low: 0.177799 USDT Optimism
Spread: 14.61%

Market data from CoinGecko as of Nov 1, 2026 23:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far SNX/USDT Optimism travelled, by period

Period	High	Low	Middle	Net move
24 hours	0.185213	0.180892	0.183502	−1.46%
Week	0.203778	0.177799	0.192044	−8.16%
Month	0.255663	0.179793	0.224016	−29.06%
Quarter	0.269236	0.179793	0.220798	−14.67%

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

Daily SNX → USDT Optimism rate

Day	Close	Against the day before
Nov 1, 2026	0.179793 USDT Optimism	−3.59%
Oct 31, 2026	0.186481 USDT Optimism	+2.24%
Oct 30, 2026	0.182402 USDT Optimism	−9.82%
Oct 29, 2026	0.202262 USDT Optimism	+0.53%
Oct 28, 2026	0.201187 USDT Optimism	+1.85%
Oct 27, 2026	0.197535 USDT Optimism	+0.8%
Oct 26, 2026	0.195975 USDT Optimism	−2.41%

Daily RubyCash rate: SNX → USDT Optimism

Date	RubyCash rate	Market rate
Nov 2, 2026	0.180954 USDT Optimism	0.180716
Nov 1, 2026	0.180453 USDT Optimism	0.180716
Oct 31, 2026	0.184262 USDT Optimism	0.184228
Oct 30, 2026	0.185867 USDT Optimism	0.18302
Oct 29, 2026	0.186468 USDT Optimism	0.185994
Oct 28, 2026	0.202809 USDT Optimism	0.202428
Oct 27, 2026	0.201105 USDT Optimism	0.200776
Oct 26, 2026	0.19509 USDT Optimism	0.195692
Oct 25, 2026	0.198298 USDT Optimism	0.197726
Oct 24, 2026	0.199802 USDT Optimism	0.199174
Oct 22, 2026	0.212634 USDT Optimism	0.211882
Oct 21, 2026	0.227772 USDT Optimism	0.229256
Oct 20, 2026	0.224463 USDT Optimism	0.223727
Oct 19, 2026	0.217145 USDT Optimism	0.214186

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 SNX and USDT

Synthetix SNX

Price: $0.180564
24 hours: −1.5%
Week: −9.2%
Market cap: $104.87 M
24-hour turnover: $4.4 M
Rank by cap: #266
In circulation: 580.98 M SNX
Record price: $28.53

Tether USDT

Price: $0.99916
24 hours: −0.04%
Week: +0.01%
Market cap: $179.97 B
24-hour turnover: $25.81 B
Rank by cap: #3
In circulation: 180.12 B USDT
Record price: $1.32

Source: CoinGecko, Nov 1, 2026 23:54.

Synthetix against Tether

	Synthetix (SNX)	Tether (USDT)
Ticker	SNX	USDT
In circulation	580.98 M SNX	180.12 B USDT
Market cap	$104.87 M	$179.97 B
Rank by cap	#266	#3
Type	—	token
Network	—	Optimism
Fees are paid in	—	ETH
Launched	—	2014
Built by	—	Tether Limited
Supply cap	—	no cap

Daily moves of SNX and USDT over 90 days line up at 0.12 — they travel apart.

Common questions: SNX → USDT Optimism

What rate does SNX to USDT Optimism run at?

As of Nov 2, 2026 03:29 it is 1 SNX = 0.180252 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.180101.

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 SNX, and that one goes to the blockchain, not to us.

How long does SNX to USDT Optimism take?

The clock starts with confirmations: the order goes into work once Synthetix 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 SNX to USDT Optimism rate do this month?

The month came in at minus 29.06%. Low 0.179793, high 0.255663, middle 0.224016 USDT Optimism per SNX.

Can I go back, USDT Optimism to SNX?

Yes, the reverse direction is open: 1 USDT Optimism = 5.5757 SNX. The link sits right under the calculator.