POOL CHECK

Paste a Uniswap v3-style pool and find out what it will actually cost you — before you send anything. Read from the pool's own storage at this block, never from an index. No wallet, nothing signed.

size is in the pool's quote asset · try: PEPE/WETH 0.3% · USDC/WETH 0.05% · UNI/WETH 0.05%

WHAT IT COSTS YOU · ROUND TRIP AT THIS SIZE

Gas is fixed per trade, so it is a bigger share of a small one — the same pool can be fine at 1 ETH and hopeless at 0.01. That is why the size selector sits next to the address.

THE REAL FILL · WALKED DOWN THE POOL'S OWN CURVE

SIZEYOU GETAVG PRICESLIPPAGEROUND TRIP
Not a spot price — the pool's own arithmetic, tick by tick, including the part of the curve your order eats.

THE BOOK · WHERE MONEY IS ACTUALLY WAITING

BANDBID DEPTHASK DEPTH
A range entirely on one side of spot holds one asset, so it can only trade one way — a limit order somebody placed with real money and did not announce.
Why this exists. A pool can accept your swap, succeed, and return almost nothing. Measured on Base: $9.57 in, $2.15 out — successful receipt, no revert. Nothing warns you.
⚠ Exact for this pool at this block. It reads the chain; it does not predict it. Not financial advice. Built by a card and game studio — the same instruments run our market terminal.