An equity trader is used to one price per stock. Dozens of exchanges trade the share, and rules stitch them into a single quote. Stock perps do not work that way. The same ticker can appear on several books at once, and no rule joins them.
How one ticker ends up on several books
Hyperliquid lets outside teams list their own perpetual markets on separate books, known as builder dexes. Two teams can each list a perp on the same stock. The result is two contracts with the same name, two order books, two marks, two funding rates and two open-interest figures.
They are separate markets
A position opened on one book cannot be closed on another. A long on the first book and a short on the second do not cancel. They are two positions with two margin requirements. Each book has its own traders, its own depth and its own contract terms, including the maximum leverage the venue sets for it.
That makes each listing a market in its own right. The shared ticker tells you they follow the same stock. It tells you nothing about whether they behave alike.
Why adding them misleads
Summing open interest across books produces a number that no trader can trade against. Depth does not pool. An order on one book fills only from that book. A combined figure makes a name look deeper than any single place you could go to trade it.
Averaging is worse. Two funding rates averaged give a rate nobody is paying. Two marks averaged give a price nothing traded at. The crypto map follows the same rule for coins listed on several exchanges, for the reasons given in why funding is never blended across venues and open interest by venue.
The gap is the read
When two books disagree, the disagreement is information. If one book’s funding is at its resting level and the other’s is sharply negative, the short crowd is on the second book. If one book holds most of the open interest, that is where the name is really trading, and the other is a side market whose prints deserve less weight.
So the useful habit is to read each book as a row of its own and then compare the rows. The same idea is worked through for coins in one coin, six funding rates.
A ticker is a label
On-chain, a name is never an identity. A token is identified by its contract, as a ticker is not a token explains. A perp is identified by its ticker and the book it lists on, together. Quoting a stock perp without naming the book leaves out half of what it is.
How NoVo shows them
The Stocks On-Chain tab of the Crypto Market Map lists each perp as its own row, with its own mark, funding, open interest and volume. Where a ticker lists on more than one book the rows sit apart, and nothing on the tab adds them together.