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  1. Swap Caldera (ERA) for USD Coin (USDC Optimism)

Swap Caldera (ERA) 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 Nov 1, 2026 06:14

Payout network
Optimism
24 hours
−2.92%
You get 0.0666745 USDC Optimism
Start the order
Rate
1 ERA = 0.0666745 USDC Optimism
Up to
150,000,000 ERA

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

The direction runs at 0.0666745 USDC Optimism per ERA, or 14.9982 ERA per USDC Optimism. Market over 24 hours: ERA against USDC Optimism minus 2.92%. The week added minus 6.55%.

The weekly corridor ran from 0.0629387 to 0.0963931 USDC Optimism, a spread of 53.15%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Caldera sits 1159th ($11.62 M) and USD Coin 6th ($71.73 B). Daily moves of ERA and USDC over 90 days line up at -0.03 (they travel apart).

Who takes the ERA → USDC Optimism route

  • Sitting out the swingsERA moved +1.64% over the past month. USDC tracks the dollar, so after the swap the value stops following ERA.
  • A road both waysThe USDC Optimism → ERA direction is open too, so going back into ERA takes the same route.

ERA → USDC Optimism rate and amounts

1 ERA = 0.0666745 USDC Optimism
1 USDC Optimism = 14.9982 ERA

Send ERA — receive USDC Optimism

ERAUSDC Optimism
20013.3349
1,00066.6745
5,000333.3727
50,0003,333.73
200,00013,334.91
1,000,00066,674.55

Need USDC Optimism — send this much ERA

USDC OptimismERA
10149.9823
50749.9114
5007,499.11
2,00029,996.45
20,000299,964.54
100,0001,499,822.72

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 ERAFromNetwork feeSpeed
Ethereum (ERC20)0.06667453,448.28 ERA≈ $0.0061medium
Solana0.06667453,448.28 ERA≈ $0.00048fast
Polygon0.06667453,448.28 ERA≈ $0.0015fast
Arbitrum One0.0666745—≈ $0.0029fast
BASE0.0666745———
BNB Smart Chain (BEP20)0.0666745—≈ $0.0023fast
Avalanche C-Chain0.0666745—≈ $0.0014fast
NEAR0.0666745———
Optimism open now0.0666745—≈ $0.00015fast
XLM0.0666745———

ERA → USDC: compare all networks USDC network fees

How the ERA → 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 ERA in Caldera 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 ERA for USDC 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 USDC Optimism rate has been

high 0.0963931 USDC Optimismlow 0.0629387 USDC Optimism
Oct 25, 2026 06:18Nov 1, 2026 06:18
high 0.085168 USDC Optimismlow 0.0578531 USDC Optimism
Oct 1, 2026 03:00Oct 31, 2026 03:00
high 0.085168 USDC Optimismlow 0.0555971 USDC Optimism
Aug 2, 2026 03:00Oct 31, 2026 03:00
high 0.370002 USDC Optimismlow 0.0555971 USDC Optimism
Nov 1, 2025 03:00Oct 31, 2026 03:00
24 hours
−2.92%
Week
−6.55%
Weekly high
0.0963931 USDC Optimism
Weekly low
0.0629387 USDC Optimism
Spread
53.15%

Market data from CoinGecko as of Nov 1, 2026 05:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far ERA/USDC Optimism travelled, by period

PeriodHighLowMiddleNet move
24 hours0.06954480.0668990.0679642−2.92%
Week0.09639310.06293870.0769603−6.55%
Month0.0851680.05785310.0690264+1.61%
Quarter0.0851680.05559710.0645724+0.12%

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

Daily ERA → USDC Optimism rate

DayCloseAgainst the day before
Oct 31, 20260.0675155 USDC Optimism−2.44%
Oct 30, 20260.0692034 USDC Optimism−10.61%
Oct 29, 20260.0774214 USDC Optimism−4.2%
Oct 28, 20260.0808146 USDC Optimism−5.11%
Oct 27, 20260.085168 USDC Optimism+8.2%
Oct 26, 20260.0787124 USDC Optimism−0.63%
Oct 25, 20260.0792076 USDC Optimism+4%

Daily RubyCash rate: ERA → USDC Optimism

DateRubyCash rateMarket rate
Nov 1, 20260.0666745 USDC Optimism0.066481
Oct 31, 20260.0675783 USDC Optimism0.0668
Oct 30, 20260.0692645 USDC Optimism0.0681684
Oct 29, 20260.0696939 USDC Optimism0.069678
Oct 28, 20260.0779676 USDC Optimism0.0770872
Oct 27, 20260.0823473 USDC Optimism0.0819794
Oct 26, 20260.0850502 USDC Optimism0.0851956
Oct 25, 20260.0796517 USDC Optimism0.0753457
Oct 24, 20260.0791337 USDC Optimism0.0792037
Oct 22, 20260.0665069 USDC Optimism0.0667458
Oct 21, 20260.0707264 USDC Optimism0.0710534
Oct 20, 20260.0763676 USDC Optimism0.0753463
Oct 19, 20260.0656967 USDC Optimism0.0656139
Oct 18, 20260.0692991 USDC Optimism0.0678844

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 USDC

Caldera ERA
Price
$0.066481
24 hours
−2.89%
Week
−9.07%
Market cap
$11.62 M
24-hour turnover
$8.17 M
Rank by cap
#1159
In circulation
174.75 M ERA
Record price
$1.88
USD Coin USDC
Price
$1.00
24 hours
+0.03%
Week
+0.04%
Market cap
$71.73 B
24-hour turnover
$5.91 B
Rank by cap
#6
In circulation
71.72 B USDC
Record price
$1.04

Source: CoinGecko, Nov 1, 2026 05:54.

Caldera against USD Coin

Caldera (ERA)USD Coin (USDC)
TickerERAUSDC
In circulation174.75 M ERA71.72 B USDC
Market cap$11.62 M$71.73 B
Rank by cap#1159#6
Type—token
Network—Optimism
Fees are paid in—ETH
Launched—2018
Built by—Circle
Supply cap—no cap

Daily moves of ERA and USDC over 90 days line up at -0.03 — they travel apart.

Common questions: ERA → USDC Optimism

What rate does ERA to USDC Optimism run at?
As of Nov 1, 2026 06:14 it is 1 ERA = 0.0666745 USDC Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.0666745.
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 USDC 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 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 ERA to USDC Optimism rate do this month?
The month came in at plus 1.61%. Low 0.0578531, high 0.085168, middle 0.0690264 USDC Optimism per ERA.
Can I go back, USDC Optimism to ERA?
Yes, the reverse direction is open: 1 USDC Optimism = 15.1192 ERA. The link sits right under the calculator.

Worth reading

Where else this can go

The other way round

Send ERA, receive something else

Receive USDC Optimism, send something else

ERA USDC Optimism All directions All currencies

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