Fomo earns a fee on every trade placed through the app. On perpetuals it acts as a Hyperliquid builder: each order placed from the app carries Fomo's builder code, and Hyperliquid routes a 0.05% builder fee per side to Fomo's builder address at trade time, on top of the venue's own fee and any HIP-3 deployer share. On spot swaps Fomo charges a platform fee collected in its own fee wallets; on cross-chain swaps routed through Relay, Relay collects Fomo's app fee and settles it as USDC to Fomo's fee collector on Base.

Fomo offers perpetual contracts on crypto, US equities, pre-IPO companies, indices and commodities through Hyperliquid's native markets and HIP-3 markets such as trade.xyz, alongside spot trading of memecoins and other tokens. The app is available on iOS, Android and the web at fomo.family.

Fomo is a mobile-first social trading app built by FOMO Labs, Inc., founded in 2025 by former dYdX employees. It combines a social feed, leaderboards and copy trading with self-custodial, gasless token swaps on Solana, Robinhood Chain, Base, BNB Chain and Monad, and since June 2026 perpetual futures executed on Hyperliquid. Fomo is operated as a private company; no token has been issued.

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# Fomo Notional trading volume Methodology

## 1. Overview

Notional trading volume is measured as the total value of derivative contracts executed on Fomo Perps. The metric is calculated by aggregating the value of all trade fills attributed to the Fomo builder address. Since trading fees are generated on each executed trade, this metric is highly correlated with the protocol's ability to generate fees and revenue.

## 2. Data sources

- **Blockchain events**: `node_fills` events from Hypercore indexers, covering Hypercore
- **External data**: Asset metadata mapping for market classifications

## 3. Step-by-step calculation

### Component A: Fomo Perps trade fill extraction

- **Purpose**: Extract trade fills executed through the Fomo application
- **Logic**: Trade fills are parsed from `node_fills` events on Hypercore. Fills are filtered to include only those carrying the specific Fomo builder address in the builder field. Spot markets (identified by `@` or `/` in the market identifier) and outcome/prediction markets (identified by `#` in the market identifier) are excluded. Only fills executed on or after the Fomo Perps launch date in June 2026 are retained.
- **Key fields**: `block_timestamp`, `coin`, `size`, `price`, `builder`

### Component B: Market and asset classification

- **Purpose**: Attribute trades to their respective deployers and asset classes
- **Logic**: The market identifier is parsed to extract the issuer (the deployer prefix) and the asset symbol. If the market identifier contains a colon, the prefix before the colon is designated as the issuer, and the suffix is designated as the asset symbol; otherwise, the issuer is set to `hyperliquid` and the asset symbol is set to the market identifier. These fields are joined with asset metadata to classify each market into asset types (such as tokenized stocks, tokenized commodities, or tokenized cryptoassets), defaulting to `undefined` if no match is found.
- **Key fields**: `coin`, `issuer`, `asset_symbol`, `asset_type`

### Component C: Notional volume calculation and aggregation

- **Purpose**: Calculate the total USD value of executed trades and aggregate them daily
- **Logic**: Notional trading volume is calculated for each fill by multiplying the trade size by the execution price. These values are summed and aggregated by day, chain, product, and market. Missing days are zero-filled to ensure a continuous time series, and chain availability filters are applied to align the data with approved freshness boundaries.
- **Key fields**: `size`, `price`, `notional_trading_volume`

*This methodology was automatically generated by Token Terminal's methodology analyzer.*

Total USD value of derivative contracts executed on the protocol.

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Notional trading volume

Notional trading volume

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