Swap Synthetix (SNX) for USD Coin (USDC 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 Sep 17, 2026 22:48

Payout network
Optimism
24 hours
+4.73%
You get 0.208357 USDC Optimism
Start the order
Rate
1 SNX = 0.208357 USDC Optimism
Up to
47,900,000 SNX

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

Today SNX goes for 0.208357 USDC Optimism, and USDC Optimism goes for 4.7995 SNX. Market over 24 hours: SNX against USDC Optimism plus 4.73%. The week added minus 0.66%.

The weekly corridor ran from 0.195637 to 0.220526 USDC Optimism, a spread of 12.72%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Synthetix sits 245th ($121.16 M) and USD Coin 6th ($73.68 B). Daily moves of SNX and USDC over 90 days line up at 0.02 (they travel apart).

Who takes the SNX → USDC Optimism route

  • Sitting out the swingsSNX moved +5.64% over the past month. USDC tracks the dollar, so after the swap the value stops following SNX.
  • A road both waysThe USDC Optimism → SNX direction is open too, so going back into SNX takes the same route.

SNX → USDC Optimism rate and amounts

1 SNX = 0.208357 USDC Optimism
1 USDC Optimism = 4.7995 SNX

Send SNX — receive USDC Optimism

SNXUSDC Optimism
5010.4178
20041.6713
1,000208.3567
10,0002,083.57
50,00010,417.84
200,00041,671.34

Need USDC Optimism — send this much SNX

USDC OptimismSNX
2095.9892
100479.9462
5002,399.73
5,00023,997.31
20,00095,989.23
100,000479,946.15

Payout network for USDC

The same USDC goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.

NetworkPer SNXFromNetwork feeSpeed
Ethereum (ERC20)0.2083571,020.41 SNX≈ $0.017medium
Solana0.2083571,020.41 SNX≈ $0.0005fast
Polygon0.2083571,020.41 SNX≈ $0.0016fast
Arbitrum One0.208357≈ $0.0032fast
BASE0.208357
BNB Smart Chain (BEP20)0.208357≈ $0.0024fast
Avalanche C-Chain0.208357≈ < $0.0001fast
NEAR0.208357
Optimism open now0.208357≈ $0.00016fast
XLM0.208357

How the SNX → USDC Optimism order runs

  1. Work out the amount in the calculator and press the exchange button.
  2. Enter a USDC address in Optimism and a way to reach you.
  3. Send SNX in Synthetix for exactly the amount stated in the order.
  4. Once the network confirms your transfer, USD Coin leaves for your address. The order page tracks every step.

Swap SNX for USDC 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 USDC Optimism rate has been

high 0.220526 USDC Optimismlow 0.195637 USDC Optimism
Sep 10, 2026 22:48Sep 17, 2026 22:48
high 0.235053 USDC Optimismlow 0.191671 USDC Optimism
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 0.25079 USDC Optimismlow 0.191671 USDC Optimism
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 2.2919 USDC Optimismlow 0.191671 USDC Optimism
Sep 18, 2025 03:00Sep 17, 2026 03:00
24 hours
+4.73%
Week
−0.66%
Weekly high
0.220526 USDC Optimism
Weekly low
0.195637 USDC Optimism
Spread
12.72%

Market data from CoinGecko as of Sep 17, 2026 22:24; the exchange rate is calculated separately and differs. Where these numbers come from

How far SNX/USDC Optimism travelled, by period

PeriodHighLowMiddleNet move
24 hours0.2079710.1999740.205438+4.73%
Week0.2205260.1956370.208373−0.66%
Month0.2350530.1916710.214128+5.65%
Quarter0.250790.1916710.218151−15.39%

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

Daily SNX → USDC Optimism rate

DayCloseAgainst the day before
Sep 17, 20260.207588 USDC Optimism+4.49%
Sep 16, 20260.198664 USDC Optimism−5.37%
Sep 15, 20260.209943 USDC Optimism−0.97%
Sep 14, 20260.211991 USDC Optimism−0.5%
Sep 13, 20260.213066 USDC Optimism+3.18%
Sep 12, 20260.206508 USDC Optimism+1.41%
Sep 11, 20260.20364 USDC Optimism−4.75%

The numbers on SNX and USDC

Synthetix SNX
Price
$0.208606
24 hours
+4.73%
Week
−1%
Market cap
$121.16 M
24-hour turnover
$7.33 M
Rank by cap
#245
In circulation
580.98 M SNX
Record price
$28.53
USD Coin USDC
Price
$0.999608
24 hours
0%
Week
0%
Market cap
$73.68 B
24-hour turnover
$16.65 B
Rank by cap
#6
In circulation
73.71 B USDC
Record price
$1.04

Source: CoinGecko, Sep 17, 2026 22:24.

Synthetix against USD Coin

Synthetix (SNX)USD Coin (USDC)
TickerSNXUSDC
In circulation580.98 M SNX73.71 B USDC
Market cap$121.16 M$73.68 B
Rank by cap#245#6
Typetoken
NetworkOptimism
Fees are paid inETH
Launched2018
Built byCircle
Supply capno cap

Daily moves of SNX and USDC over 90 days line up at 0.02 — they travel apart.

Common questions: SNX → USDC Optimism

What rate does SNX to USDC Optimism run at?
As of Sep 17, 2026 22:48 it is 1 SNX = 0.208357 USDC Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.208275.
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 USDC 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 USDC Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDC cheaper?
The cheapest is usually USDC SOL, USDC Polygon, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC 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 USDC Optimism rate do this month?
The month came in at plus 5.65%. Low 0.191671, high 0.235053, middle 0.214128 USDC Optimism per SNX.
Can I go back, USDC Optimism to SNX?
Yes, the reverse direction is open: 1 USDC Optimism = 4.8236 SNX. The link sits right under the calculator.

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