Swap ZEROBASE (ZBT) 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 05:14

Payout network: Optimism
24 hours: +1.17%

You send

ZBT

You get 0.0721812

USDT Optimism

Start the order

Rate: 1 ZBT = 0.0721812 USDT Optimism
Up to: 139,000,000 ZBT

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

The direction runs at 0.0721812 USDT Optimism per ZBT, or 13.854 ZBT per USDT Optimism. Market over 24 hours: ZBT against USDT Optimism plus 1.17%. The week added plus 2.91%.

The weekly corridor ran from 0.0656459 to 0.0746183 USDT Optimism, a spread of 13.67%.

The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap ZEROBASE sits 765th ($23.61 M) and Tether 3th ($180.03 B). Daily moves of ZBT and USDT over 90 days line up at 0.05 (they travel apart).

Who takes the ZBT → USDT Optimism route

Sitting out the swingsZBT moved −15.3% over the past month. USDT tracks the dollar, so after the swap the value stops following ZBT.
A road both waysThe USDT Optimism → ZBT direction is open too, so going back into ZBT takes the same route.

ZBT → USDT Optimism rate and amounts

1 ZBT = 0.0721812 USDT Optimism

1 USDT Optimism = 13.854 ZBT

Send ZBT — receive USDT Optimism

ZBT	USDT Optimism
200	14.4362
1,000	72.1812
5,000	360.9059
50,000	3,609.06
200,000	14,436.23
1,000,000	72,181.17

Need USDT Optimism — send this much ZBT

USDT Optimism	ZBT
20	277.0806
100	1,385.4
500	6,927.01
5,000	69,270.14
20,000	277,080.56
100,000	1,385,402.78

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 ZBT	From	Network fee	Speed
OMNI	0.0721812	—	—	—
Ethereum (ERC20)	0.0721812	2,631.58 ZBT	≈ $0.0054	medium
TRON (TRC20)	0.0721812	2,631.58 ZBT	≈ $2.1	fast
BNB Smart Chain (BEP20)	0.0721812	2,631.58 ZBT	≈ $0.0023	fast
Solana	0.0721812	2,631.58 ZBT	≈ $0.00048	fast
Polygon	0.0721812	2,631.58 ZBT	≈ $0.0017	fast
Arbitrum One	0.0721812	2,631.58 ZBT	≈ $0.003	fast
TON	0.0721812	2,631.58 ZBT	low	fast
Avalanche C-Chain	0.0721812	—	≈ $0.0014	fast
NEAR	0.0721812	—	—	—
Optimism open now	0.0721812	—	≈ $0.00015	fast

ZBT → USDT: compare all networks USDT network fees

How the ZBT → 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 ZBT in ZEROBASE 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 ZBT for USDT Optimism

Check this before sending ZBT

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 ZBT to USDT Optimism rate has been

WeekMonthQuarterYear

high 0.0746183 USDT Optimismlow 0.0656459 USDT Optimism

Oct 25, 2026 05:15Nov 1, 2026 05:15

high 0.0894677 USDT Optimismlow 0.0671171 USDT Optimism

Oct 1, 2026 03:00Oct 31, 2026 03:00

high 0.187596 USDT Optimismlow 0.0671171 USDT Optimism

Aug 2, 2026 03:00Oct 31, 2026 03:00

high 0.223488 USDT Optimismlow 0.0631294 USDT Optimism

Nov 1, 2025 03:00Oct 31, 2026 03:00

24 hours: +1.17%
Week: +2.91%
Weekly high: 0.0746183 USDT Optimism
Weekly low: 0.0656459 USDT Optimism
Spread: 13.67%

Market data from CoinGecko as of Nov 1, 2026 04:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far ZBT/USDT Optimism travelled, by period

Period	High	Low	Middle	Net move
24 hours	0.0746183	0.0713402	0.0723699	+1.17%
Week	0.0746183	0.0656459	0.0701949	+2.91%
Month	0.0894677	0.0671171	0.0766358	−15.29%
Quarter	0.187596	0.0671171	0.0847418	−36.28%

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

Daily ZBT → USDT Optimism rate

Day	Close	Against the day before
Oct 31, 2026	0.0741206 USDT Optimism	+10.43%
Oct 30, 2026	0.0671171 USDT Optimism	−6.28%
Oct 29, 2026	0.0716152 USDT Optimism	+0.14%
Oct 28, 2026	0.0715142 USDT Optimism	+1.75%
Oct 27, 2026	0.0702812 USDT Optimism	+2.27%
Oct 26, 2026	0.0687232 USDT Optimism	−4.15%
Oct 25, 2026	0.0716996 USDT Optimism	+0.67%

Daily RubyCash rate: ZBT → USDT Optimism

Date	RubyCash rate	Market rate
Nov 1, 2026	0.0723817 USDT Optimism	0.072217
Oct 31, 2026	0.0717802 USDT Optimism	0.0716055
Oct 30, 2026	0.0701761 USDT Optimism	0.0695751
Oct 29, 2026	0.0678704 USDT Optimism	0.0681452
Oct 28, 2026	0.0715797 USDT Optimism	0.0714662
Oct 27, 2026	0.0715797 USDT Optimism	0.0715156
Oct 26, 2026	0.0695746 USDT Optimism	0.0702911
Oct 25, 2026	0.0689731 USDT Optimism	0.0683177
Oct 24, 2026	0.0723817 USDT Optimism	0.0719709
Oct 22, 2026	0.0678704 USDT Optimism	0.0677745
Oct 21, 2026	0.0718804 USDT Optimism	0.0720664
Oct 20, 2026	0.0699756 USDT Optimism	0.0692988
Oct 19, 2026	0.0675696 USDT Optimism	0.0670182
Oct 18, 2026	0.0684719 USDT Optimism	0.0679593

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 ZBT and USDT

ZEROBASE ZBT

Price: $0.07218
24 hours: +1.21%
Week: +0.65%
Market cap: $23.61 M
24-hour turnover: $9 M
Rank by cap: #765
In circulation: 327.08 M ZBT
Record price: $1.03

Tether USDT

Price: $0.999487
24 hours: +0.03%
Week: +0.04%
Market cap: $180.03 B
24-hour turnover: $26 B
Rank by cap: #3
In circulation: 180.12 B USDT
Record price: $1.32

Source: CoinGecko, Nov 1, 2026 04:54.

ZEROBASE against Tether

	ZEROBASE (ZBT)	Tether (USDT)
Ticker	ZBT	USDT
In circulation	327.08 M ZBT	180.12 B USDT
Market cap	$23.61 M	$180.03 B
Rank by cap	#765	#3
Type	—	token
Network	—	Optimism
Fees are paid in	—	ETH
Launched	—	2014
Built by	—	Tether Limited
Supply cap	—	no cap

Daily moves of ZBT and USDT over 90 days line up at 0.05 — they travel apart.

Common questions: ZBT → USDT Optimism

What rate does ZBT to USDT Optimism run at?

As of Nov 1, 2026 05:14 it is 1 ZBT = 0.0721812 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.0721441.

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

How long does ZBT to USDT Optimism take?

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

The month came in at minus 15.29%. Low 0.0671171, high 0.0894677, middle 0.0766358 USDT Optimism per ZBT.

Can I go back, USDT Optimism to ZBT?

Yes, the reverse direction is open: 1 USDT Optimism = 13.9238 ZBT. The link sits right under the calculator.