US stock perpetual futures: price the cost and the liquidation first

Seeing the word "stock" and jumping straight into a perpetual contract is one of the most common mix-ups of the last few years. A US stock perp is a derivative, not tokenized spot — you pay funding, you carry liquidation risk, and a position can be wiped out overnight. It works as a short-term hedge or a way to express direction. If what you want is long-term exposure to US equities, go buy tokenized spot instead. This piece doesn't teach you how to open a position; it works out the cost and the mechanics.

What it actually is: a USDT-margined perp that tracks a US stock price

Reportedly, Binance has been listing perpetual contracts on US stock and ETF underlyings since June 2026. Structurally it is a USDT-settled perp: the contract price tracks the matching stock or ETF, you post margin in a futures account to go long or short, and profit and loss settle against the mark price. Nothing in that flow buys or sells an actual share.

That makes it different from holding shares in a brokerage app, and different from buying tokenized US stocks on-chain or on an exchange. A perp gives you price exposure plus leveraged margin, not ownership. Maximum leverage differs by contract, and the only number worth trusting is the one on the Binance contract details page at the moment you trade — this piece deliberately prints no specific multiple, so no source conflict gets baked in and no figure gets mistaken for a fixed rule.

If leverage itself is still fuzzy, start with what leverage is. If you only want spot-side exposure to US equities with stablecoins, read what a tokenized stock is — the two routes are not interchangeable.

Three differences from tokenized spot that actually matter

Plenty of people file "it follows Tesla or the Nasdaq on screen" under one product category. Mechanically there are at least three hard differences, and mixing them up costs money — sometimes all of it.

First, you hold no mapped asset. A perp position is a bookkeeping bet on price, settled in USDT. Being long while the share rises makes you money; it does not make you the owner of a share. Going short is just a bearish view expressed inside a futures account.

Second, funding is a running cost. Longs and shorts swap a fee on a fixed schedule, and which side pays flips with sentiment. The longer you hold, the more funding behaves like rent nobody put in the budget.

Third, there is a liquidation engine. Once your margin ratio drops below the maintenance requirement, the position gets closed for you. That is different math from tokenized spot, where the loss is position size times price move — liquidation takes you out of the trade entirely. On the tokenized side the usual conversation is how to read premium and discount and the session mismatch, not an eight-hour funding clock.

Short version: a perp is a leveraged directional tool. Tokenized spot is the closer thing to actually holding US equity exposure. Different jobs, and the tools don't swap.

Pricing the carry: turn funding into an annualized frame

The Binance tutorial page spells out the boundaries: funding settles every 8 hours, the interval is fixed, a single settlement is capped at ±2.00%, it is paid in USDT, and the minimum notional is 5 USDT. Those five lines are what the math sits on. The rate for any given period is set by the market in real time, so this piece invents no measured rate and offers no return case study.

An illustrative example (every number is a demo, tied to no real contract or window):

• Assume 10,000 USDT notional (illustrative);
• Assume you sit on the paying side and average 0.01% per settlement over that window (illustrative, far under the ±2.00% cap);
• One settlement costs about 10,000×0.0001=1 USDT (illustrative);
• Three a day is about 3 USDT (illustrative); annualized, roughly 0.01%×3×365≈10.95% (illustrative).

If a period prints near the 2.00% cap (illustrative extreme), the same notional pays about 200 USDT in a single settlement (illustrative) — which is the whole point of having a cap. Under extreme sentiment, three settlements a day are enough to grind an account down even when the direction is right. Below 5 USDT notional the official minimum applies, so small positions should not assume funding rounds to nothing.

Build the habit before you order: open the contract details and check the current funding rate, the countdown to the next settlement, and which side of it you are on. Funding is one layer of the carry; trading fees sit on top of it. If you register on Binance through a referral code, the fee side commonly comes with an up to 20% style discount, and the page rules at the time are what apply. A fee discount cannot fix the wrong product choice: long-term US equity exposure still should not ride on a perp.

The liquidation gate: margin gets eaten, and a closed US market is no holiday

Liquidation compresses into one line: when the maintenance margin requirement can no longer be covered by what is in the account, the system closes the position by rule. Violent mark-price moves, aggressive leverage and slow top-ups all drag the liquidation price closer to where you already are. For the detailed math, see the liquidation math. Here I only want the traps specific to stock underlyings.

The contract keeps running while US markets are shut. After the New York close the share stops matching continuously, but the perp keeps pricing off its own engine and its own risk system. You can get closed out over a weekend or overnight while the share is still parked at the last close, so "the stock market isn't even open, how would I get liquidated" is not a defence.

An opening gap hits the liquidation price directly. Overnight earnings, macro prints, breaking news — a lot of it settles in the first minutes of the session. The contract price can gap straight through your liquidation level, with less cushion than a continuous session gives you. Tokenized stocks have their own 7×24 versus US session mismatch, but that is a premium, discount and liquidity problem. What a perp adds on top is the liquidation blade.

If you manage trades by risk-reward, a perp demands the stop and the position cap in writing before you enter, not improvised once you are underwater. The thinking in the risk-reward piece applies here: put the worst single jump in the plan, not in the fantasy.

Four kinds of people who should stay out

An honest talk-down beats a slogan. If you recognise yourself below, closing the futures tab is usually the rational move.

1. Anyone who wants long-term US equity exposure. Funding keeps eating the position, and time can beat you even when direction doesn't. For holding, use tokenized spot, not a perp.
2. Anyone who can't annualize a funding rate. If settles every 8 hours, capped at ±2.00%, paid in USDT hasn't landed yet, don't pay tuition in real money.
3. Anyone who trades without stops and plans to hold through the pain. Spot lets you play dead. A perp decides your exit for you, and liquidation doesn't negotiate.
4. Anyone treating leverage as a return multiplier instead of a risk multiplier. What leverage magnifies first is the path to loss and the odds of liquidation. Maximum leverage differs by contract and the Binance contract details page is what counts at the time — no headline number changes the fact that margin can be taken to zero.

The other way round: if you are running a short-term hedge or an event-driven view, and you are willing to write funding and liquidation into the plan, a perp can be a tool rather than a trap. Whether a tool fits comes down to the job, not to how familiar the ticker on screen looks.

Wrap-up: for long-term US exposure, go back to tokenized spot

Three lines. A US stock perp is a USDT-margined derivative. The carry is a funding-rate frame and the tail risk is liquidation plus opening gaps. It serves short-term hedges and directional views, and it does not serve holding US stocks for years.

If holding is the goal, compare the tokenized routes and their risks first — start with bStocks versus xStocks and premium and discount. That is more honest than white-knuckling a perp. If all you need is the signup walkthrough, there is a standalone piece on how to register on Binance; on the fee side, referral discounts are commonly framed as up to 20%, and the registration page rules at the time are what apply. This reflects what I think right now and is not investment advice — a derivative can cost you all of your margin, so size accordingly.

Questions you're probably about to ask

Read next: Leverage liquidation math · What is leverage · How to read premium and discount