Where Monvera's prices come from

Monvera shows you two different numbers on purpose: a reference price, which is what the asset is worth, and an executable quote, which is what you can actually trade at this second. The reference price comes from a Chainlink feed where the chain has one, and from a live venue quote or the last real market close where it does not. When the two disagree, the executable quote is the one that moves your money. Every price is sourced or it is blank, never invented.

Three sources, in order

Each asset is priced by the first source that can answer honestly:

Order	Source	Covers	What it is
1	Chainlink price feed	34 of the 95 assets	An on-chain feed, 8 decimals, already adjusted for splits and other corporate actions
2	Live venue quote	Most of the rest	An indicative quote from the trading venue, derived from what a real trade of about $10 would fill at
3	Last real market close	The remainder	The most recent daily close for the real underlying ticker
—	Nothing	A handful	Shown as unpriced

That last row is deliberate. An asset no source can price shows as unpriced rather than as zero, a dash pretending to be a number, or a guess. A missing price should read as missing.

Chart history is separate from all of this: charts are the real underlying ticker’s daily closes, not a synthesized series.

When the sources disagree

They disagree constantly, in small amounts, and the resolution rule is always the same: money follows the executable quote, screens follow the reference price.

A reference price is a display number and is cached for a few minutes. The venue quote is fetched fresh at trade time, for each leg, immediately before that leg commits. So the number you saw a minute ago and the number you fill at are allowed to differ, and the fill is the true one.

Three guards keep that from becoming a bad surprise:

• A firm quote carries an expiry. If it lapses before the transaction runs, the leg reverts instead of filling at a stale price.
• A firm quote carries a minimum amount out, set by a 1% slippage tolerance by default. Fill worse than that and the leg reverts rather than silently handing you less than you agreed to.
• Each leg is quoted and settled one at a time. Quoting a whole plan upfront and settling later is exactly how the tail legs of a plan go stale, so Monvera does not do it.

A Chainlink feed can go stale too. A feed that has not updated in about four and a half days is discarded rather than displayed, which is long enough to cover a holiday long weekend when equity feeds legitimately stop ticking, and short enough that a genuinely dead feed does not sit on the screen looking alive. When a feed is discarded the asset falls to the next source, the same as if it never had a feed.

Note

Prices are quoted in USDG, the dollar-value currency every trade settles in on Robinhood Chain. A price is a price in dollars; there is no second conversion hiding behind it.

Read the prices yourself

Both routes are public GETs, no token, limited to 60 requests per 60 seconds per IP.

curl

# Live and historical prices
curl "https://monvera.best/api/prices"

# The catalog, with current price and metadata per asset
curl "https://monvera.best/api/market?symbol=AAPL"

fetch

const prices = await (await fetch("https://monvera.best/api/prices")).json();

const market = await (
  await fetch("https://monvera.best/api/market?symbol=AAPL")
).json();

The response carries the source for each asset, so you can see which of the three tiers answered rather than inferring it.

In the app, the shortest path to the same answer is to ask.

You

What is Nvidia at right now, and what would I actually pay?

Vera

The reference price is from its Chainlink feed. Here is a live quote for the size you asked about, which is the number your order would fill against.

Why it is built this way

Tokenized stocks on this chain have no deep on-chain market of their own, so there is no pool price to read. The honest options are an oracle feed, a real quote from the venue that would fill your order, or the real market’s last close. Monvera uses all three, in that order, labels which one answered, and refuses to fill the gaps with a number nobody stands behind.

Which venue actually routes and settles the trade is covered in the stack.