Separate isolated and cross margin
Isolated margin generally limits support to funds assigned to one position. Cross margin may use available equity in the same settlement asset to support risk. Exposed capital, margin transfers and liquidation boundaries differ.
Hold mode constant and record other positions and open orders. A clean-account cross formula is not reproducible when applied to an account with multiple exposures.
Notional brackets
Maintenance requirements commonly change with notional brackets. Large positions should not keep the smallest-tier percentage, and maximum leverage may decline as notional increases.
Binance exposes notional and leverage brackets to authenticated accounts. OKX publishes relevant contract and risk rules. Public comparison can cite rules but cannot infer a user's account bracket.
The alignment checklist for comparing margin models
When two venues show different liquidation prices, the first question is not which is more conservative but whether the inputs are aligned. The table lists the fields to confirm and marks which are available publicly and which require a signed-in account.
The last three rows matter most: they determine the effective r and the usable equity, and none can be inferred from public data. That is why any public comparison tool can only offer a directional estimate.
| Field to align | Where it comes from | Publicly available? |
|---|---|---|
| Settlement asset and contract type | Contract specification page | Yes |
| Margin mode (isolated / cross) | Position settings | Yes, at the rule level |
| Position mode (one-way / hedge) | Account settings | No |
| Notional tier and maintenance rate | Risk-limit table | Rules yes, your tier no |
| Liquidation fee rate | Fee documentation | Yes |
| Usable equity and unrealised P&L | Account assets page | No |
| Order holds | Open orders list | No |
What to report when alignment fails
If the inputs cannot be matched, the correct output is not 'venue X is safer' but a statement of the differences. Compare what is comparable, mark what is not, and name the missing input.
That is how the DZPTO comparison page behaves: if either funding snapshot is stale or missing, or the two were fetched more than two hours apart, no ranking is produced and each estimate is shown with its data state. One fewer ranking is better than one more unfounded ranking.
It is also worth being careful with the word 'safe'. A liquidation formula describes the price buffer on a single position. It says nothing about operational stability, regulatory standing, custody arrangements or counterparty risk. Answering a much larger question with one formula is an analytical overreach.
- Compare the fields that align, labelling the source and timestamp of each.
- Name the missing input for fields that do not align rather than filling in a default.
- Publish no cross-venue safety ranking; the liquidation formula excludes operational and counterparty risk.
- Attach a check date to every conclusion and revisit it when venue rules change.
Liquidation can be staged
A venue may cancel orders, reduce risk or partially liquidate before full closure. Liquidation allowances, mark price and maintenance conditions shape the path.
A simplified price is best used to gauge distance to a risk zone, not to predict every liquidation fill or remaining balance.
Fair-comparison checklist
Fix settlement asset, contract, direction, quantity, average entry, margin mode, account equity, maintenance bracket and liquidation fee, then reproduce each result in the venue calculator.
If inputs cannot be aligned, report the source of difference instead of declaring one venue safer. Operational, legal and counterparty safety extend beyond a liquidation formula.
Official sources and calculation boundary
OKX's liquidation documentation and Binance's tier endpoint describe how each rule set works. The repeated point that something cannot be inferred from public data is not evasion: position mode, usable equity and order holds genuinely exist only inside a signed-in account.
Next checks in this series
Venue comparison
How to compare Binance and OKX BTC perpetual costs fairly
Reproducible scenario guide
Liquidation and margin risk
BTC at 5x, 10x, 20x and 50x: how liquidation risk changes
Reproducible scenario guide
Liquidation and margin risk
How adding margin changes a BTC long liquidation estimate
Reproducible scenario guide
Frequently asked questions
Why can the same 10x show different liquidation prices?
Maintenance bracket, margin mode, liquidation allowances, mark price and account equity can all differ.
Is cross margin always safer than isolated?
No. It may provide more cushion, but it can also expose more account equity to one risk.
Why not simply say which venue's margin model is safer?
Because 'safer' covers far more than a liquidation formula. The formula describes the price buffer on one position and excludes operational stability, regulatory standing, custody, system availability and counterparty risk. Answering with the formula stretches the conclusion past the evidence.
Does cross margin always put liquidation further away?
For the same position and entry, cross margin usually has more equity to draw on, so the liquidation level can sit further out. The trade-off is that risk is no longer isolated: losses on this trade can consume the equity supporting the others. A larger buffer and a larger maximum loss are two sides of the same change.