One share, at the real stocks' price
$9.97
Robinhood Stock Token quotes
HyperCore 24/7: reading
One EVDY share is a claim on 4 holdings sitting in a contract on Arbitrum that has no owner, no pause and no upgrade path. Anyone can create a share by depositing the recipe, and any share can be redeemed for it. No issuer has stock tokens on this testnet, so the holdings are labeled mirrors: free tokens named “Tesla (Sheaf testnet mirror)” and so on, worth nothing. The dollar figure is what the same recipe would be worth in the real shares.
- Shares outstanding
- —— creations, — redemptions
- Everything in the vault
- —At the real stocks' price
- Backing
- —Held against owed, every component
- Dollar desk
- sUSDA labeled test dollar
First, a drip of test ETH for gas, if the wallet is nearly empty.
Then mint the mirrors yourself: every one has a public faucet(), so your own wallet calls it and no key of ours is involved. Enough for two shares, plus 50 sUSD.
The recipe
Written once, in the constructor, with no setter. The recipe is in raw token units, so a split or a dividend that a token applies through its multiplier accrues to every share without anyone touching the vault.
Is it actually backed?
Held is the vault's balance of each token right now, from vaultBalances(). Owed is the recipe times totalSupply(). Deposits round up and redemptions round down, so held can never fall below owed.
Reading the vault…
Verify it yourself
Two reads against the public RPC, no key:
cast call 0x7aa1d6065b1A5eeFd386f0A8B0A1E7C3136180Bd "totalSupply()(uint256)" --rpc-url https://sepolia-rollup.arbitrum.io/rpc
cast call 0x7aa1d6065b1A5eeFd386f0A8B0A1E7C3136180Bd "vaultBalances()(uint256[])" --rpc-url https://sepolia-rollup.arbitrum.io/rpcFor every component, vaultBalances[i] must be at least unitsPerShare[i] × totalSupply ÷ 10^18. The recipe is in components().
The desk's book
Dollar orders on Arbitrum Sepolia, newest first, read from getOrder(). A buyer escrows sUSD; any participant who delivers the components in kind collects it, and the shares are minted straight to the buyer. The house filler is one such participant.
Desk 0x3A9b…09A0
Reading the desk…
Priced around the clock
The stock exchanges close; HyperCore's stock perpetuals do not. This prices the same recipe from trade.xyz's oracle on Hyperliquid testnet, read through HyperEVM's oraclePx precompile with a plain eth_call, no gas and no key. It is a reading, not a deployment: nothing of Sheaf runs on Hyperliquid yet.
—
Priced from HyperCore, not deployed
| Perp | Precompile index | Oracle price |
|---|---|---|
| xyz:AAPL | — | reading |
| xyz:AMZN | — | reading |
| xyz:META | — | reading |
| xyz:TSLA | — | reading |
The contracts, verified
Also on Arbitrum: Magnificent Eight (MAG8), AI Core (AICORE).