USOI, issued by Robinhood Europe, UAB, is a tokenized derivative contract that provides 1:1 price exposure to a US-listed exchange-traded note without conveying ownership of the underlying instrument or any shareholder rights [S1][S2].

The token tracks the price of the UBS ETRACS Crude Oil Shares Covered Call ETN, a US-listed exchange-traded note referencing a crude oil (WTI) covered-call strategy, with each token corresponding to one unit [S1][S3]. If the underlying issues a distribution and eligibility requirements are met, holders receive a corresponding cash amount in euros recorded as a cash distribution [S4]. Holders bear a 0.10% foreign exchange fee on each order, with no other Robinhood fees [S5][S3].

Robinhood Europe, UAB, company code 306377915, is formed in Lithuania and is authorized and regulated by the Bank of Lithuania as a financial brokerage firm and crypto-asset service provider [S2][S1]. Each token is an over-the-counter MiFID II derivative contract between the holder and Robinhood Europe, giving price exposure without rights to the underlying [S1][S2]. Access is limited to eligible retail customers across 30 EU and EEA countries who pass an appropriateness assessment for complex instruments [S6][S5]. There is no in-kind redemption; holders exit by selling in-app, and their claim is contractual against Robinhood Europe, exposing them to its insolvency [S5][S3].

Tokens are recorded onchain, issued at launch on Arbitrum [S6]. One token is minted per unit ordered when the derivative contract is entered, and trading occurs in-app 24/5 with USD display pricing and automatic EUR conversion [S1][S5]. Sell proceeds trade immediately with a T+1 withdrawal hold [S5].

<Sources
  retrievedAt="2026-06-18"
  items={[
    { id: "S1", url: "https://robinhood.com/eu/en/support/articles/about-stock-tokens/" },
    { id: "S2", url: "https://robinhood.com/eu/en/support/articles/stock-tokens-faq/" },
    { id: "S3", url: "https://robinhood.com/eu/en/invest/" },
    { id: "S4", url: "https://robinhood.com/eu/en/support/articles/corporate-actions-for-stock-tokens/" },
    { id: "S5", url: "https://robinhood.com/eu/en/support/articles/buy-and-sell-stock-tokens/" },
    { id: "S6", url: "https://robinhood.com/us/en/newsroom/robinhood-launches-stock-tokens-reveals-layer-2-blockchain-and-expands-crypto-suite-in-eu-and-us-with-perpetual-futures-and-staking/" },
  ]}
/>


# Asset senders (weekly) methodology

## 1. Overview

`Asset senders (weekly)` is defined as the number of unique addresses that initiate asset transfers over a rolling 7-day period. For each tracked asset, outgoing transactions are analyzed to identify the addresses responsible for moving tokens. This metric is utilized as a key indicator of weekly user activity and transactional engagement for tokenized assets across various blockchain networks. By aggregating unique sending addresses within a moving 7-day window, short-term fluctuations are smoothed out to provide a clearer view of active adoption.

## 2. Data sources

- **EVM chain events**: ERC-20 token transfers, covering EVM-compatible chains (Ethereum, Arbitrum, Base, Polygon, Optimism, and others)
- **Solana instructions**: Token transfer instructions
- **Other blockchain data**: Token transfer and withdrawal events from Aptos, Near, Polkadot Asset Hub, Stellar, Sui, Ripple, and others
- **Asset metadata**: Token contract addresses and asset mapping datasets

## 3. Step-by-step calculation

### Component A: Extraction of daily sending addresses

- **Purpose**: Identify and extract unique addresses initiating token transfers on a daily basis for each asset.
- **Logic**: On EVM-compatible chains, sending addresses are extracted from ERC-20 token transfers where the sender address is not the null address. On Solana, sending addresses are identified from token transfer instructions using the authority address. On Aptos, Sui, Cardano, and Stellar Classic, sending addresses are retrieved from token withdrawal events. On Stellar Soroban, transfers are parsed from Soroban token transfer events, excluding mint transactions where the sender address is null. On Polkadot Asset Hub, `Transferred` events from the `assets` pallet are parsed to identify the sender. On Ripple, outgoing transfers are identified where the transaction value is negative. On Near and Injective, sending addresses are extracted from token transfer events where the sender address is populated.
- **Key fields**: `timestamp` (block time truncated to the day), `token_address` (the contract or asset identifier), `sender_address` (the address initiating the transfer)

### Component B: Rolling 7-day window aggregation

- **Purpose**: Aggregate daily active senders into a rolling 7-day window to calculate weekly activity.
- **Logic**: A daily datespine is generated to establish a continuous timeline. For each day in the timeline, a rolling 7-day window is constructed by looking back at the preceding six days. Daily unique sending addresses are mapped to each active window based on their transaction timestamps.
- **Key fields**: `timestamp` (the reference day for the rolling window), `token_address` (the asset identifier), `sender_address` (the address active within the window)

### Component C: Final deduplication and aggregation

- **Purpose**: Calculate the final weekly unique sender count per asset and chain.
- **Logic**: Within each rolling 7-day window, sending addresses are deduplicated to ensure each unique address is counted only once per asset, regardless of transaction frequency. The deduplicated counts are aggregated at both the individual chain level and the global asset level. Missing dates are filled with zero values to maintain a continuous time series.
- **Key fields**: `timestamp` (the reference day), `chain_id` (the blockchain identifier), `token_address` (the asset contract address), `asset_senders_weekly` (the count of unique weekly sending addresses)

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

Unique asset senders over a rolling 7-day window.

Asset senders (weekly)

Tokenized commodities

twitter

website

Real-world asset (RWA) issuers

Robinhood

UBS ETRACS Crude Oil Shares Covered Call ETN (Robinhood Classic Stock Token) (USOI) is a token tracking WTI crude oil, issued by Robinhood through Robinhood Europe, UAB.

Each token tracks one barrel of WTI crude oil and is a synthetic instrument that provides contractual exposure to the reference asset.

Retail investors and professional investors can mint and redeem directly with Robinhood after completing KYC, and holders have a contractual right to redeem, with same- or next-business-day settlement.

Robinhood Europe, UAB is incorporated in Lithuania, is a MiFID II financial instrument, and is supervised by the Bank of Lithuania.

Holder terms are governed by the law of Lithuania.

USOI has been issued on Arbitrum One as an ERC-20 token since March 2026.

UBS ETRACS Crude Oil Shares Covered Call ETN (Robinhood Classic Stock Token)USOI