Where the Leverage HidesNeeds one idea
Borrowed money is the obvious form and the least common. Four others are built into instruments that nobody would describe as leveraged.
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What this page is. A way of finding the multiplier in an instrument, whatever it is called. It is not a judgement about whether any of these forms is good or bad — a hedged position and a speculative one can carry the identical structure. Information and education only.
One definition, five disguises
- Leverage is any arrangement where the outcome moves by more than the money committed. That is the whole definition, and it says nothing about borrowing.
- Borrowing is simply the most visible way to arrange it. The other four leave no loan on any statement, and three of them are invisible unless you go looking in a specific place in the documents.
- The reason to name all five: a portfolio can be assembled entirely from instruments nobody would call leveraged and still carry a large multiplier, because each form is disclosed in a different vocabulary.
The five
| Form | How it is arranged | Where it is disclosed |
|---|---|---|
| Explicit | Borrowed money, margin, repo. You commit 20 and control 100 | A borrowing line, a margin requirement, a financing rate |
| Embedded | An option's premium is a fraction of the exposure it controls | The strike and the notional, not the price paid |
| Structural | A tranche absorbs the first losses of a much larger pool | Attachment and detachment points |
| Synthetic | A swap or future gives the return of an asset without owning it | The notional, which is not the collateral posted |
| Behavioural | Positions that must be closed on somebody else's schedule | Redemption terms, mandate limits, rating triggers |
Reading each one
- Explicit — the honest form. It announces itself, it can be measured as a ratio, and it comes with a margin call that tells you when it has gone wrong. Repo and any margined account are here.
- Embedded — an option costing 3 that controls 100 of exposure is a multiplier of roughly 33 while it is at the money, and one that decays. This is why option pricing is about a distribution rather than a direction. The warrant and the knock-out certificate are the retail versions.
- Structural — a tranche taking losses from 0% to 3% of a pool experiences a 3% pool loss as a total loss. Nothing was borrowed; the ordering did the multiplication. See securitisation and the 2008 case study.
- Synthetic — a total return swap pays the return of an asset against a financing leg. The exposure is the notional; the money committed is the collateral. Archegos, 2021 is the case where the same party held that structure at five banks and no one of them could see the total.
- Behavioural — the subtlest. A fund that must sell on redemptions, a mandate that must sell on a downgrade, a hedge that must post collateral the same day: none of these is borrowing, and all of them force a trade at a time chosen by circumstances. The 2022 LDI episode is the case where correct hedges produced forced selling.
The question that finds it
- How much moves if the underlying moves 1%? Compare that to the money committed. The ratio is the leverage, whatever the instrument is called and whether or not anything was borrowed.
- Who can make me trade, and when? This finds the behavioural form, which no ratio catches.
- What is the notional? On anything with a swap or a future inside it, the notional is the exposure and the collateral is not.
- What happens at the bottom of the range? On a tranche or a barrier product, the multiplier is not constant — it grows exactly where the losses are.
Two things worth keeping straight
- Leverage is not risk. A fully hedged book can carry a large notional and small exposure; an unhedged holding with no borrowing at all can lose everything. What leverage changes is the speed and the ownership of the decision, which is the argument on the leverage question page.
- The forms combine. A leveraged fund holding tranches financed by repo carries three of the five at once, and they multiply rather than add. That combination is where most of the case studies on this site live.