> For the complete documentation index, see [llms.txt](https://docs.ichigeki.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ichigeki.app/product/fees.md).

# Fees

Every fee is shown, itemized, before you sign. This page lists where they come from.

## Trading fees (Derive)

Charged by Derive per trade, denominated in USDC:

| Fee       | Amount        | Notes                                                     |
| --------- | ------------- | --------------------------------------------------------- |
| Taker fee | 3 bps (0.03%) | On traded notional; applies to orders that cross the book |
| Base fee  | $0.50         | Flat, per trade                                           |

Both values are delivered per-instrument by Derive's API (`taker_fee_rate`, `base_fee`) and ICHIGEKI computes the exact amounts from the live values at quote time — the table above is the verified rate at last check, not a hardcoded constant. On a small daily-option premium the $0.50 base fee can be a meaningful fraction of the trade; the confirmation screen makes that visible rather than burying it.

## Bridge and gas costs (funding)

Funding from Robinhood Chain crosses two bridges (see [Funding](/getting-started/funding.md)). Costs, per leg:

* **Leg 1 — Robinhood Chain → Arbitrum (LI.FI / Across):** bridge fee and slippage as quoted live by LI.FI, plus native gas on Robinhood Chain.
* **Leg 2 — Arbitrum → Derive Chain (Socket):** connector fee as applicable, plus gas on Arbitrum.

Bridge quotes are requested live at funding time and shown before you sign each leg. They vary with route conditions and are not set by ICHIGEKI.

## ICHIGEKI fees

**None at launch.** ICHIGEKI charges no fee on trades or funding.

Derive's API documents an optional builder-fee mechanism for embedded interfaces. If ICHIGEKI ever applies one, it will happen only after written confirmation from Derive, and the fee will appear as its own labeled line on the confirmation screen — never folded into the premium.

## Where fees appear in the interface

The order footer shows **COST / MAX LOSS / BREAKEVEN** before every trade. COST is premium plus all trading fees; MAX LOSS equals COST for a bought option; BREAKEVEN includes the premium per unit. If a number is on that screen, it is the number you pay.


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