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USDT vs ALUSD — price, size and safety, side by side

USDT (BNB Chain) vs ALUSD (Optimism) — every figure is the freshest dated measurement we hold for that token, never a live-feed guess. Prices stamped 2026-09-27 / 2026-09-26.

USDTC

$0.9986
Tether USD on BNB Chain
Trade USDT
vs

ALUSDB

$0.9538
Alchemix USD on Optimism
Trade ALUSD

USDT vs ALUSD — normalized performance, 2026-09-21 to 2026-09-26T18:07:24

100 — shared start
USDT +0.03%  ·  ALUSD −0.24% — both series rebased to 100 at the first measured point in the shared window; not a raw-price chart.
USDTALUSD
Price$0.9986$0.9538
Market cap$9.17B$9.99M
24h volume$1.27B$1.92K
Liquidity$601.61M$1.14M
FDV$9.17B$1.61M
Holders05,630
Age (days)3111,181
Safety gradeCB

Where they differ

What the data says

USDT

USDT on BSC is Tether's dollar on the chain that still clears a meaningful share of stablecoin volume — issued by Binance's peg mechanism under the BEP-20 standard at 0x55d398326f99059ff775485246999027b3197955, the canonical BSC mint. Our September 27, 2026 snapshot reads $601.6 million of tracked pool liquidity.

The honest chain note: this is a pegged representation — the reserve sits with Tether, and the BSC contract is Binance's wrapped issuance of that claim, not a second Tether mint. That makes its risk profile two-layered: Tether's attestation cadence underneath, plus the bridge-custody layer Binance operates on top. For most users the distinction never matters; for anyone holding size it is the entire question.

Full USDT safety read →

ALUSD

ALUSD at 0xcb8fa9a76b8e203d8c3797bf438d8fb81ea3326a is Alchemix's USD on Optimism — the dollar that backs the protocol's self-repaying loan structure, where deposited collateral's yield amortizes the borrow. The September 26, 2026 snapshot prices a $10.0 million asset-wide market cap against a $1.6 million fully-diluted read of the local float of 1.7 million units — a small Optimism slice of a multi-chain stable.

The local book is deeper than it looks and quieter than it should be: $1.1 million of tracked depth reads deep against that float, while $1.9 thousand of 24-hour volume is a nearly dormant tape — the pool exists; the flow mostly does not. For an exit-sized holder that pairing is the real information: depth on paper, and a tape that rarely tests it.

Full ALUSD safety read →

FAQ

Which is bigger, USDT or ALUSD?

By tracked market cap: USDT (BNB Chain) measures $9.17B and ALUSD (Optimism) measures $9.99M — dated snapshots, not a live feed.

Which is safer, USDT or ALUSD?

On the contract checks we publish: USDT (BNB Chain) grades C and ALUSD (Optimism) grades B. A grade is a structural check on the contract, not a promise about the asset.

How have USDT and ALUSD performed over the shared window?

Between 2026-09-21 and 2026-09-26T18:07:24, the measured snapshots show USDT at +0.03% and ALUSD at −0.24%.

More comparisons

USDT vs USDCWBNB vs USDTUSDT vs USDCWETH vs USDTDORY vs ALUSDDEBIT vs ALUSDH vs ALUSDALUSD vs AKE

The grade column is the one CMC's compare page cannot print — our grade is computed from the contract itself (mint/freeze authority, liquidity, holder concentration). Changes are measured over the shared window stated on the chart, 2026-09-21→2026-09-26T18:07:24; a token with fewer measured points measures a shorter span inside it.

Figures are dated on-chain snapshots, not a live feed. Safety grades are structural checks — not investment advice. Free · no signup · a NexFlow product.