Swap Caldera (ERA) 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 1, 2026 19:14

Payout network: Optimism
24 hours: +3.79%

You send

ERA

You get 0.068779

USDT Optimism

Start the order

Rate: 1 ERA = 0.068779 USDT Optimism
Up to: 140,000,000 ERA

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

One ERA buys 0.068779 USDT Optimism right now; the other way round, 1 USDT Optimism is 14.5393 ERA. Market over 24 hours: ERA against USDT Optimism plus 3.79%. The week added minus 2.96%.

The weekly corridor ran from 0.0661011 to 0.095126 USDT Optimism, a spread of 43.91%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Caldera sits 1117th ($12.48 M) and Tether 3th ($180.01 B). Daily moves of ERA and USDT over 90 days line up at 0.02 (they travel apart).

Who takes the ERA → USDT Optimism route

Sitting out the swingsERA moved −0.23% over the past month. USDT tracks the dollar, so after the swap the value stops following ERA.
A road both waysThe USDT Optimism → ERA direction is open too, so going back into ERA takes the same route.

ERA → USDT Optimism rate and amounts

1 ERA = 0.068779 USDT Optimism

1 USDT Optimism = 14.5393 ERA

Send ERA — receive USDT Optimism

ERA	USDT Optimism
200	13.7558
1,000	68.779
5,000	343.8949
50,000	3,438.95
200,000	13,755.79
1,000,000	68,778.97

Need USDT Optimism — send this much ERA

USDT Optimism	ERA
20	290.7865
100	1,453.93
500	7,269.66
5,000	72,696.64
20,000	290,786.55
100,000	1,453,932.75

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 ERA	From	Network fee	Speed
OMNI	0.068779	—	—	—
Ethereum (ERC20)	0.068779	3,448.28 ERA	≈ $0.0067	medium
TRON (TRC20)	0.068779	3,448.28 ERA	≈ $2.1	fast
BNB Smart Chain (BEP20)	0.068779	3,448.28 ERA	≈ $0.0023	fast
Solana	0.068779	3,448.28 ERA	≈ $0.00047	fast
Polygon	0.068779	3,448.28 ERA	≈ $0.0017	fast
Arbitrum One	0.068779	3,448.28 ERA	≈ $0.0029	fast
TON	0.068779	3,448.28 ERA	low	fast
Avalanche C-Chain	0.068779	—	≈ $0.0014	fast
NEAR	0.068779	—	—	—
Optimism open now	0.068779	—	≈ $0.00015	fast

ERA → USDT: compare all networks USDT network fees

How the ERA → 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 ERA in Caldera 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 ERA for USDT Optimism

Check this before sending ERA

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 ERA to USDT Optimism rate has been

WeekMonthQuarterYear

high 0.095126 USDT Optimismlow 0.0661011 USDT Optimism

Oct 25, 2026 19:15Nov 1, 2026 19:15

high 0.0852255 USDT Optimismlow 0.0579042 USDT Optimism

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

high 0.0852255 USDT Optimismlow 0.0555965 USDT Optimism

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

high 0.37065 USDT Optimismlow 0.0555965 USDT Optimism

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

24 hours: +3.79%
Week: −2.96%
Weekly high: 0.095126 USDT Optimism
Weekly low: 0.0661011 USDT Optimism
Spread: 43.91%

Market data from CoinGecko as of Nov 1, 2026 16:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far ERA/USDT Optimism travelled, by period

Period	High	Low	Middle	Net move
24 hours	0.0711879	0.0665855	0.0679502	+3.79%
Week	0.095126	0.0661011	0.0767107	−2.96%
Month	0.0852255	0.0579042	0.0691248	−0.19%
Quarter	0.0852255	0.0555965	0.064602	+3.63%

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

Daily ERA → USDT Optimism rate

Day	Close	Against the day before
Nov 1, 2026	0.0670091 USDT Optimism	−3.02%
Oct 31, 2026	0.0690964 USDT Optimism	−0.24%
Oct 30, 2026	0.0692605 USDT Optimism	−10.58%
Oct 29, 2026	0.0774554 USDT Optimism	−4.21%
Oct 28, 2026	0.0808568 USDT Optimism	−5.13%
Oct 27, 2026	0.0852255 USDT Optimism	+8.2%
Oct 26, 2026	0.0787689 USDT Optimism	−0.6%

Daily RubyCash rate: ERA → USDT Optimism

Date	RubyCash rate	Market rate
Nov 1, 2026	0.068779 USDT Optimism	0.0714862
Oct 31, 2026	0.0676729 USDT Optimism	0.066835
Oct 30, 2026	0.0693823 USDT Optimism	0.0682117
Oct 29, 2026	0.0697845 USDT Optimism	0.0697194
Oct 28, 2026	0.0780299 USDT Optimism	0.0771192
Oct 27, 2026	0.0824543 USDT Optimism	0.0820222
Oct 26, 2026	0.0851693 USDT Optimism	0.0852503
Oct 25, 2026	0.0797394 USDT Optimism	0.0753833
Oct 24, 2026	0.0792366 USDT Optimism	0.0792391
Oct 22, 2026	0.0665668 USDT Optimism	0.0667825
Oct 21, 2026	0.0707901 USDT Optimism	0.0710768
Oct 20, 2026	0.0764211 USDT Optimism	0.0753876
Oct 19, 2026	0.0657624 USDT Optimism	0.06566
Oct 18, 2026	0.0693823 USDT Optimism	0.0679243

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 ERA and USDT

Caldera ERA

Price: $0.071447
24 hours: +3.8%
Week: −3.7%
Market cap: $12.48 M
24-hour turnover: $12.25 M
Rank by cap: #1117
In circulation: 174.75 M ERA
Record price: $1.88

Tether USDT

Price: $0.999452
24 hours: +0.02%
Week: +0.03%
Market cap: $180.01 B
24-hour turnover: $26.83 B
Rank by cap: #3
In circulation: 180.12 B USDT
Record price: $1.32

Source: CoinGecko, Nov 1, 2026 16:54.

Caldera against Tether

	Caldera (ERA)	Tether (USDT)
Ticker	ERA	USDT
In circulation	174.75 M ERA	180.12 B USDT
Market cap	$12.48 M	$180.01 B
Rank by cap	#1117	#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 90 days line up at 0.02 — they travel apart.

Common questions: ERA → USDT Optimism

What rate does ERA to USDT Optimism run at?

As of Nov 1, 2026 19:14 it is 1 ERA = 0.068779 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.0687413.

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

How long does ERA to USDT Optimism take?

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

The month came in at minus 0.19%. Low 0.0579042, high 0.0852255, middle 0.0691248 USDT Optimism per ERA.

Can I go back, USDT Optimism to ERA?

Yes, the reverse direction is open: 1 USDT Optimism = 14.6566 ERA. The link sits right under the calculator.