Horo
Not deployed yet

The rushed have
always paid more.

Everywhere except onchain. On an ordinary AMM the trader hammering one side of the pool pays the same fee as the patient soul rebalancing on a quiet afternoon. HORO is a Uniswap v4 hook that puts a clock on that.

Open the instrument How it charges
The instrument read live from the hook
Buying pressure Selling pressure
Imbalance
0.00%
A buy would pay
0.00%
A sell would pay
0.00%
What the hook is actually watching

Impatience here is not a mood, it is a measurement: how one-sided the flow has been over the last three minutes. When trades hit the pool roughly evenly, nobody is in a rush. When they stack heavily on one side, that lopsidedness is the signature of urgency, and urgency is a scarce thing the pool is providing.

The hook does not judge the trade. It asks one question: is this making the pool more lopsided, or less?
Balanced pool
Base fee
Nothing to charge. A quiet market is a cheap market, and the premium simply is not there to take.
Piling on
Up to 3%
You are demanding immediacy the pool has to provide, priced by how crowded your side already is. Three percent is a hard ceiling in the bytecode.
Relieving
Nothing extra
Trading against the crowd costs you no premium at all. You are the calm the pool needed.
Where the premium goes

Into the pool, in the same transaction that charges it, by a v4 donation. That credits it to the liquidity standing in range absorbing the rush, which is exactly the party carrying the directional risk at the moment the flow turns toxic.

Where the value comes from

Nothing is minted to dress up a number. The premium is a real fee paid by real traders who chose to move now instead of waiting, captured at the moment their urgency was worth the most. When the market is calm the premium is small, because there is little urgency to charge for. That bound is honest, not a limitation.