Swap USD Coin (USDC Optimism) for Gram (Toncoin) (GRAM)

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 02:48

Orders from: 200 USDC Optimism ≈ $199.94
Payout network: TON
24 hours: +1.23%

You send

USDC Optimism

You get 1,529.3

GRAM

Start the order

Rate: 1 USDC Optimism = 0.764648 GRAM
From: 200 USDC Optimism
Up to: 10,000,000 USDC Optimism

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

The direction runs at 0.764648 GRAM per USDC Optimism, or 1.3078 USDC Optimism per GRAM. Market over 24 hours: USDC Optimism against GRAM plus 1.23%. The week added plus 5.75%.

The weekly corridor ran from 0.72337 to 0.769529 GRAM, a spread of 6.38%. A single order takes 200 to 10,000,000 USDC Optimism. In dollars that is roughly $199.94.

Exchange wallets usually ask for a Comment (Memo) — copy it from the recipient side before you start. By market cap USD Coin sits 6th ($73.61 B) and Gram (Toncoin) 28th ($3.64 B).

Who takes the USDC Optimism → GRAM route

Entering GRAM from dollarsFrom USDC you step into Gram (Toncoin) directly, with no coin in between and no extra fees.
Built for transfersGram (Toncoin) is mostly used as a payment coin: transfers clear quickly and the fee stays small.
Fuel for TONWithout Gram (Toncoin) nothing moves in TON — every transfer and every contract call is paid in it.

USDC Optimism → GRAM rate and amounts

1 USDC Optimism = 0.764648 GRAM

1 GRAM = 1.3078 USDC Optimism

Send USDC Optimism — receive GRAM

USDC Optimism	GRAM
200	152.9296
1,000	764.6479
2,000	1,529.3
10,000	7,646.48
20,000	15,292.96
100,000	76,464.79

Need GRAM — send this much USDC Optimism

GRAM	USDC Optimism
200	261.5583
500	653.8957
2,000	2,615.58
5,000	6,538.96
20,000	26,155.83
50,000	65,389.57

How the USDC Optimism → GRAM order runs

Work out the amount in the calculator: orders start at 200 USDC Optimism.
Enter a GRAM address in TON and a way to reach you. Receiving to an exchange? Add the Comment (Memo), or the payment will hang.
Send USDC Optimism in Optimism for exactly the amount stated in the order.
Once the network confirms your transfer, Gram (Toncoin) leaves for your address. The order page tracks every step.

Swap USDC Optimism for GRAM

Check this before sending USDC Optimism

The address network is TON. Sending through another network usually means losing the transfer.
If the receiving wallet asks for a Comment (Memo), put it in the order.
The transfer must not be smaller than 200 USDC Optimism.
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 USDC Optimism to GRAM rate has been

Week

high 0.769529 GRAMlow 0.72337 GRAM

Sep 10, 2026 02:52Sep 17, 2026 02:52

24 hours: +1.23%
Week: +5.75%
Weekly high: 0.769529 GRAM
Weekly low: 0.72337 GRAM
Spread: 6.38%

Market data from CoinGecko as of Sep 17, 2026 00:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDC Optimism/GRAM travelled, by period

Period	High	Low	Middle	Net move
24 hours	0.769529	0.755126	0.762157	+1.23%
Week	0.769529	0.72337	0.740233	+5.75%

Figures are in GRAM per unit sent, from market data.

The numbers on USDC and GRAM

USD Coin USDC

Price: $0.999724
24 hours: 0%
Week: 0%
Market cap: $73.61 B
24-hour turnover: $18.36 B
Rank by cap: #6
In circulation: 73.63 B USDC
Record price: $1.04

Gram (Toncoin) GRAM

Price: $1.30
24 hours: −1.22%
Week: −4.5%
Market cap: $3.64 B
24-hour turnover: $30.88 M
Rank by cap: #28
In circulation: 2.79 B GRAM
Record price: $8.25

Source: CoinGecko, Sep 17, 2026 00:54.

USD Coin against Gram (Toncoin)

	USD Coin (USDC)	Gram (Toncoin) (GRAM)
Ticker	USDC	GRAM
Type	token	coin of its own network
Network	Optimism	—
Fees are paid in	ETH	—
Launched	2018	—
Built by	Circle	—
Supply cap	no cap	—
In circulation	73.63 B USDC	2.79 B GRAM
Market cap	$73.61 B	$3.64 B
Rank by cap	#6	#28
Consensus	—	Proof of Stake
Privacy	—	transfers are public

Common questions: USDC Optimism → GRAM

What rate does USDC Optimism to GRAM run at?

As of Sep 17, 2026 02:48 it is 1 USDC Optimism = 0.764648 GRAM. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.994042.

What amounts does USDC Optimism → GRAM accept?

From 200 to 10,000,000 USDC Optimism per order. The lower limit is roughly $199.94.

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 GRAM 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.

Which network will GRAM arrive in?

Gram (Toncoin) leaves in its own TON network — a plain GRAM address is all you need. Some exchanges and wallets also need a Comment (Memo).

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.

Can I go back, GRAM to USDC Optimism?

Yes, the reverse direction is open: 1 GRAM = 1.3144 USDC Optimism. The link sits right under the calculator.