Holding a leveraged position usually has a running cost. In a perpetual contract that cost is funding. But funding is a transfer between the two sides, so whenever one side pays, the other receives. There are times when a position pays its holder simply for existing. It is worth understanding why.
How a position gets paid
Funding has a sign. When it is positive, longs pay shorts, so a short position receives. When it is negative, shorts pay longs, so a long position receives. The venue keeps none of it. The basics are in crypto funding rates. The payment is made at each funding interval, on the size of the position at that moment.
Why anyone would pay
The paying side wants its position badly enough to accept the cost. Positive funding means buyers have pushed the perp above its reference to get long with leverage. Negative funding means sellers have pushed it below. Sometimes those sellers are speculating on a fall. Sometimes they are hedging coins they hold and cannot sell. Either way, the receiving side is being paid to stand opposite a crowd.
It is not free money
The payment is small beside what price can do. A long that receives funding still loses if the coin falls, and funding that looks rich over a year can be wiped out by one bad day. The rate also changes. It is set fresh each interval, and it can shrink or flip sign while the position is open. The honest list of what goes wrong is in funding arbitrage and its real risks.
The hedged version
Some traders take the payment without the price risk. They buy the coin in spot and short the same amount in the perp. Price moves cancel, and positive funding is what remains. This is the cash and carry trade. It is one reason positive funding can persist: there is a standing group willing to be short as long as they are paid. It carries its own risks, including margin on the short leg during a sharp rally.
What the payment says about positioning
Being paid to be long means the leveraged pressure is short. Being paid to be short means it is long. A change of sign is a clean event, because it marks a change in who pays whom, as what happens when funding flips explains. It is a statement about the crowd. It is not a statement about where price goes, and crowds are sometimes right.
Where to see it
The NoVo Crypto Market Map shows funding per venue for each coin, never blended, so the sign and size can be read where the position would actually sit. Open interest and 24-hour liquidation flow sit beside it. Dr. NoVo, a markets SI, reads them. NoVo does not recommend a trade.