Gram (Toncoin) (GRAM) → USD Coin (USDC Optimism)

The order runs on autopilot: the rate is locked when you create it, and the payout leaves as soon as the network confirms your transfer. No manual approval, no working hours.

Rate and amounts for GRAM → USDC Optimism 1 GRAM = 1.536 USDC Optimism 1 USDC Optimism = 0.651048 GRAM

Rate as of Sep 30, 2026 18:35

Orders from: 66.9349 GRAM ≈ $102.41
Payout network: Optimism
24 hours: −1.1%

You send

GRAM

You get 1,535.98

USDC Optimism

Create the order

Rate: 1 GRAM = 1.536 USDC Optimism
From: 66.9349 GRAM
Up to: 6,540,000 GRAM

Preliminary figure: the final amount is locked in the order.

The direction is holding at 1.536 USDC Optimism per 1 GRAM (0.651048 GRAM per 1 USDC Optimism). Over 24 hours GRAM/USDC Optimism came in at minus 1.1%. Over the week, plus 4.99%.

The weekly range ran from 1.3995 to 1.6766 USDC Optimism, a spread of 19.8%. One order takes from 66.9349 to 6,540,000 GRAM. In dollars that is roughly $102.41.

The robot sends the payout in the Optimism network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts Gram (Toncoin) at No. 33 ($4.31 B) and USD Coin at No. 6 ($74.31 B). Over 90 days the daily moves of GRAM and USDC correlate at -0.05 (they travel apart).

Which network USDC arrives in

The same USDC goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

Network	Per 1 GRAM	From	Network fee	Speed
Ethereum (ERC20)	1.536	66.9349 GRAM	≈ $0.12	medium
Solana	1.536	66.9349 GRAM	≈ $0.00061	fast
Arbitrum One	1.536	66.9349 GRAM	≈ $0.0037	fast
BASE	1.536	66.9349 GRAM	—	—
BNB Smart Chain (BEP20)	1.536	66.9349 GRAM	≈ $0.0025	fast
Avalanche C-Chain	1.536	66.9349 GRAM	≈ $0.0037	fast
NEAR	1.536	66.9349 GRAM	—	—
Optimism open	1.536	66.9349 GRAM	≈ $0.00022	fast
Polygon	1.536	66.9349 GRAM	≈ $0.0022	fast
XLM	1.536	66.9349 GRAM	—	—

GRAM → USDC: all networks side by side Network charges for USDC

Rate and amounts for GRAM → USDC Optimism

Send GRAM — receive USDC OptimismNeed USDC Optimism — send this much GRAM

GRAM	USDC Optimism
100	153.5985
500	767.9923
1,000	1,535.98
5,000	7,679.92
10,000	15,359.85
50,000	76,799.23

USDC Optimism	GRAM
200	130.2096
1,000	651.0482
2,000	1,302.1
10,000	6,510.48
20,000	13,020.96
100,000	65,104.82

How the GRAM → USDC Optimism exchange runs

Work out the amount in the calculator — orders start at 66.9349 GRAM.
Give a USDC address on Optimism and a contact for the order.
Send GRAM on TON, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends USD Coin to your address. The order page shows the status.

Swap GRAM for USDC Optimism

Check this before sending GRAM

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 66.9349 GRAM.
Copy the address in full, then check its first and last characters once it is pasted.
Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the GRAM to USDC Optimism rate has moved

WeekMonthQuarterYear

high 1.6766 USDC Optimismlow 1.3995 USDC Optimism

Sep 23, 2026 18:36Sep 30, 2026 18:36

high 1.6312 USDC Optimismlow 1.3159 USDC Optimism

Aug 31, 2026 05:00Sep 30, 2026 05:00

high 1.7792 USDC Optimismlow 1.3159 USDC Optimism

Jul 2, 2026 05:00Sep 30, 2026 05:00

high 2.8596 USDC Optimismlow 1.2177 USDC Optimism

Oct 1, 2025 05:00Sep 30, 2026 05:00

24 hours: −1.1%
Week: +4.99%
Weekly high: 1.6766 USDC Optimism
Weekly low: 1.3995 USDC Optimism
Spread: 19.8%

Market data from CoinGecko as of Sep 30, 2026 18:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The GRAM/USDC Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	1.5535	1.4716	1.507	−1.1%
Week	1.6766	1.3995	1.509	+4.99%
Month	1.6312	1.3159	1.4063	+12.19%
Quarter	1.7792	1.3159	1.4498	−3.94%

Figures are in USDC Optimism per unit of the currency you send, taken from market data.

Daily GRAM → USDC Optimism rate

Day	Close	Against the day before
Sep 30, 2026	1.4981 USDC Optimism	−4.74%
Sep 29, 2026	1.5726 USDC Optimism	−3.59%
Sep 28, 2026	1.6312 USDC Optimism	+1.05%
Sep 27, 2026	1.6144 USDC Optimism	+10.67%
Sep 26, 2026	1.4587 USDC Optimism	+3.57%
Sep 25, 2026	1.4085 USDC Optimism	−0.32%
Sep 24, 2026	1.413 USDC Optimism	−4.05%

Market data: GRAM and USDC

Gram (Toncoin) GRAM

Price: $1.53
24 hours: −1.11%
Week: +6.89%
Market cap: $4.31 B
24-hour turnover: $86.44 M
Rank by cap: #33
In circulation: 2.82 B GRAM
All-time high: $8.25

USD Coin USDC

Price: $0.999799
24 hours: −0.01%
Week: 0%
Market cap: $74.31 B
24-hour turnover: $16.86 B
Rank by cap: #6
In circulation: 74.32 B USDC
All-time high: $1.04

Source: CoinGecko, Sep 30, 2026 18:27.

Gram (Toncoin) and USD Coin: how they differ

	Gram (Toncoin) (GRAM)	USD Coin (USDC)
Ticker	GRAM	USDC
Type	coin of its own network	token
Consensus	Proof of Stake	—
Privacy	transfers are public	—
In circulation	2.82 B GRAM	74.32 B USDC
Market cap	$4.31 B	$74.31 B
Rank by cap	#33	#6
Network	—	Optimism
Fees are paid in	—	ETH
Launched	—	2018
Built by	—	Circle
Supply cap	—	no cap

Daily moves of GRAM and USDC over the quarter link at -0.05 (they travel apart).

Why people take the GRAM → USDC Optimism route

Stepping out of the swingsGRAM moved +12.18% over the past month. USDC tracks the dollar, so after the swap the amount stops following GRAM.
It works both waysThe USDC Optimism → GRAM direction is open as well — going back into GRAM takes the same route and the same automation.

Common questions: GRAM → USDC Optimism

What rate does GRAM to USDC Optimism run at?

As of Sep 30, 2026 18:35 it is 1 GRAM = 1.536 USDC Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $1.54.

What amounts does GRAM → USDC Optimism accept?

From 66.9349 to 6,540,000 GRAM per order. The floor is roughly $102.41.

Why can I not swap less than 66.9349 GRAM?

The network fee and the handling do not depend on the amount. On a transfer below 66.9349 GRAM they eat a noticeable share of it, and the swap stops making sense for either side.

Is anything charged on top of the rate?

No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending GRAM, and the blockchain takes that one.

How long does swapping GRAM for USDC Optimism take?

The clock starts with confirmations: as soon as TON confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant.

Which network will USDC Optimism arrive in?

The payout goes out on Optimism. Check that the receiving wallet supports that network.

Which network is cheaper for receiving USDC?

Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.

What happens if the rate moves while I am paying?

Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.

What did the GRAM to USDC Optimism rate do over the month?

Over the month, plus 12.19%: a low of 1.3159, a high of 1.6312, an average of 1.4063 USDC Optimism per 1 GRAM.

Can I swap back, USDC Optimism for GRAM?

Yes, the reverse is open too: 1 USDC Optimism = 0.651035 GRAM. The link to switch sits under the calculator.