Caldera (ERA) → Tether (USDT 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 ERA → USDT Optimism 1 ERA = 0.0673993 USDT Optimism 1 USDT Optimism = 14.8369 ERA

Rate as of Sep 30, 2026 23:10

Orders from: 1,502.54 ERA ≈ $101.39
Payout network: Optimism
24 hours: +1.72%

You send

ERA

You get 1,347.99

USDT Optimism

Create the order

Rate: 1 ERA = 0.0673993 USDT Optimism
From: 1,502.54 ERA
Up to: 148,000,000 ERA

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

Right now 1 ERA gets you 0.0673993 USDT Optimism; the other way round, 1 USDT Optimism is 14.8369 ERA. Over 24 hours ERA/USDT Optimism came in at plus 1.72%. Over the week, plus 0.75%.

The weekly range ran from 0.0656068 to 0.0715832 USDT Optimism, a spread of 9.11%. One order takes from 1,502.54 to 148,000,000 ERA. In dollars that is roughly $101.39.

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 Caldera at No. 1171 ($11.79 M) and Tether at No. 3 ($183.8 B). Over 90 days the daily moves of ERA and USDT correlate at 0 (they travel apart).

Which network USDT arrives in

The same USDT 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 ERA	From	Network fee	Speed
Ethereum (ERC20)	0.0673993	1,502.54 ERA	≈ $0.1	medium
TRON (TRC20)	0.0673993	1,502.54 ERA	≈ $2.3	fast
BNB Smart Chain (BEP20)	0.0673993	1,502.54 ERA	≈ $0.0025	fast
Solana	0.0673993	1,502.54 ERA	≈ $0.0006	fast
Arbitrum One	0.0673993	1,502.54 ERA	≈ $0.0038	fast
Avalanche C-Chain	0.0673993	1,502.54 ERA	≈ $0.0036	fast
NEAR	0.0673993	1,502.54 ERA	—	—
Optimism open	0.0673993	1,502.54 ERA	≈ $0.00021	fast

ERA → USDT: all networks side by side Network charges for USDT

Rate and amounts for ERA → USDT Optimism

Send ERA — receive USDT OptimismNeed USDT Optimism — send this much ERA

ERA	USDT Optimism
2,000	134.7987
10,000	673.9933
20,000	1,347.99
100,000	6,739.93
200,000	13,479.87
1,000,000	67,399.33

USDT Optimism	ERA
200	2,967.39
1,000	14,836.94
2,000	29,673.89
10,000	148,369.44
20,000	296,738.87
100,000	1,483,694.36

How the ERA → USDT Optimism exchange runs

Work out the amount in the calculator — orders start at 1,502.54 ERA.
Give a USDT address on Optimism and a contact for the order.
Send ERA on Caldera, exactly the amount the order shows.
Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends Tether to your address. The order page shows the status.

Swap ERA for USDT Optimism

Check this before sending ERA

The address network is Optimism. Sending through another network almost always means losing the transfer.
The transfer must not be smaller than 1,502.54 ERA.
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 ERA to USDT Optimism rate has moved

WeekMonthQuarterYear

high 0.0715832 USDT Optimismlow 0.0656068 USDT Optimism

Sep 23, 2026 23:12Sep 30, 2026 23:12

high 0.0712879 USDT Optimismlow 0.0556506 USDT Optimism

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

high 0.0995719 USDT Optimismlow 0.0555965 USDT Optimism

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

high 0.566772 USDT Optimismlow 0.0555965 USDT Optimism

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

24 hours: +1.72%
Week: +0.75%
Weekly high: 0.0715832 USDT Optimism
Weekly low: 0.0656068 USDT Optimism
Spread: 9.11%

Market data from CoinGecko as of Sep 30, 2026 22:57. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The ERA/USDT Optimism spread by period

Period	High	Low	Middle	Period result
24 hours	0.0696586	0.066525	0.067434	+1.72%
Week	0.0715832	0.0656068	0.0685715	+0.75%
Month	0.0712879	0.0556506	0.0622249	+2.37%
Quarter	0.0995719	0.0555965	0.068109	−16.69%

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

Daily ERA → USDT Optimism rate

Day	Close	Against the day before
Sep 30, 2026	0.0679306 USDT Optimism	−1.12%
Sep 29, 2026	0.0686979 USDT Optimism	−3.63%
Sep 28, 2026	0.0712879 USDT Optimism	+2.27%
Sep 27, 2026	0.0697025 USDT Optimism	−1.15%
Sep 26, 2026	0.0705131 USDT Optimism	+3.15%
Sep 25, 2026	0.0683616 USDT Optimism	+3.13%
Sep 24, 2026	0.0662851 USDT Optimism	−3.85%

Market data: ERA and USDT

Caldera ERA

Price: $0.067481
24 hours: +1.71%
Week: +2.11%
Market cap: $11.79 M
24-hour turnover: $5.33 M
Rank by cap: #1171
In circulation: 174.75 M ERA
All-time high: $1.88

Tether USDT

Price: $0.999628
24 hours: −0.01%
Week: −0.04%
Market cap: $183.8 B
24-hour turnover: $63.21 B
Rank by cap: #3
In circulation: 183.87 B USDT
All-time high: $1.32

Source: CoinGecko, Sep 30, 2026 22:57.

Caldera and Tether: how they differ

	Caldera (ERA)	Tether (USDT)
Ticker	ERA	USDT
In circulation	174.75 M ERA	183.87 B USDT
Market cap	$11.79 M	$183.8 B
Rank by cap	#1171	#3
Type	—	token
Network	—	Optimism
Fees are paid in	—	ETH
Launched	—	2014
Built by	—	Tether Limited
Supply cap	—	no cap

Daily moves of ERA and USDT over the quarter link at 0 (they travel apart).

Why people take the ERA → USDT Optimism route

Stepping out of the swingsERA moved +2.34% over the past month. USDT tracks the dollar, so after the swap the amount stops following ERA.
It works both waysThe USDT Optimism → ERA direction is open as well — going back into ERA takes the same route and the same automation.

Common questions: ERA → USDT Optimism

What rate does ERA to USDT Optimism run at?

As of Sep 30, 2026 23:10 it is 1 ERA = 0.0673993 USDT Optimism. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.0673743.

What amounts does ERA → USDT Optimism accept?

From 1,502.54 to 148,000,000 ERA per order. The floor is roughly $101.39.

Why can I not swap less than 1,502.54 ERA?

The network fee and the handling do not depend on the amount. On a transfer below 1,502.54 ERA 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 ERA, and the blockchain takes that one.

How long does swapping ERA for USDT Optimism take?

The clock starts with confirmations: as soon as Caldera 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 USDT Optimism arrive in?

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

Which network is cheaper for receiving USDT?

Usually USDT BEP20, USDT SOL, USDT Arbitrum, USDT AVAX C, USDT Optimism 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 ERA to USDT Optimism rate do over the month?

Over the month, plus 2.37%: a low of 0.0556506, a high of 0.0712879, an average of 0.0622249 USDT Optimism per 1 ERA.

Can I swap back, USDT Optimism for ERA?

Yes, the reverse is open too: 1 USDT Optimism = 14.8366 ERA. The link to switch sits under the calculator.