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I happened to get this question for Fixed Income Swap contract. (let's assume it's it's not cross currency).

If the fixed leg is paying 10% interest rate in this contract, but in the market the rates have gone down to 5%.. How can the payer of fixed leg can reduce paying extra when market has gone down and vise versa..

Should he go for a futures or what is the suitable financial product?

PS: I didn't have the chance to speak and ask a fin-analyst around. So I am asking here although this site is meant for professional quants. Hope this is a valid question.

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3 Answers 3

up vote 1 down vote accepted

You would simply hedge with a floating rate leg. That is the whole idea of swaps though. A price taker is paying fixed and receiving floating then such price taker usually is hedging the risk of interest rates increasing, meaning he is not concerned with the risk of decreasing rates. Generally such participant has floating rate liabilities. Let's say the floating rates thus cancel out (he pays floating on other liabilities and receives floating on the floating leg of the swap), however he/she still has got to pay fixed on the fixed swap leg. I guess that is where you stand right now, correct?

I would argue such player generally receives fixed on other assets and is thus fully hedged. Otherwise it would not make sense for such participant to leave a fixed rate open, if he/she was not comfortable in paying such fixed rate. Thus, the assumption is generally that the motivation why such person entered into a fixed for floating swap agreement was to transfer risk. But for pure argument's sake, lets say he/she now still wanted to offset the fixed rate liability. Either he/she could enter into another swap agreement or transfer the risk from the fixed rate away into any other stream of cashflow liability.

But again, please make sure you understand the original intentions of the swap trader. It was to transfer a floating rate liability into a fixed rate liability, thus mission accomplished. Otherwise such person would not have traded a fixed for floating rate swap in the first place.

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Thanks Freddy. +1. I understand the basuc swap structure (fixed leg, variable leg). Now when you say *such fixed leg player is paying fixed rate and receiving fixed on other assets, hence fully hedged." I assume you meant to say an instituitional player. What if it is a retailer who ONLY did this swap and after sometime alobg this contract, he know he has been paying high rate. How can he lower what he is paying? What other assets can he use? Does it mean a futures, as it locks the price of something that he would –  bonCodigo Feb 25 '13 at 10:34
    
deliver? but then for this swap he is required to make periodic payments, not just one time like a zero.. So uf he is being hedged by a futures in the otherside, how can he make periodic payments? An example or an article to read, try out few calculations would be appreciated –  bonCodigo Feb 25 '13 at 10:35
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@bonCodigo, you now ask about retail players. First retail does not have access to institutional swap contracts (though there are certain ETFs that mimic swaps). But a good analogy here is a re-financing of a mortgage. A swap is not a good choice if one wants to reserve the option to re-finance, in this instance a non-linear product with optionality is called for, which is precisely what most mortgage contracts provide, a re-financing option. A swap on the other hand can only be cancelled by paying off the net of all future legs at prevailing forward rates. –  Matt Wolf Feb 25 '13 at 10:49
    
@bonCodigo, to be more precise re mortgage re-financing, there is not really a refinancing option embedded but a mortgage loan borrower can refinance by entering into a mortgage obligation at more favorable terms while pre-paying the existing mortgage loan. –  Matt Wolf Feb 25 '13 at 13:57
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@bonCodigo, and regarding your other question about alternative assets that can be used to get to a lower rate. Yes, that again exists and is the precise reason some borrowers "re-package" and "bundle" their credit card debt into a mortgage loan, meaning they pay a lower rate albeit over a longer term. But what you are asking and I guess "hoping" for does not exist: You cant sit around and suddenly realize market rates are 5% lower than your fixed rate and expect to come out flat. However, I believe you bark up the wrong tree here with swaps, they do not work the way you hope. –  Matt Wolf Feb 25 '13 at 14:01

In case the question is about closing an open position as a retail trader:

Suppose this is a 3y swap, and the holder is paying fixed, receiving float. The fix leg is paying 10%, but the float index is now at 5%, so assuming the index is not expected to change in the future, the position is now significantly out of the money. The main exposure is to the difference between the float leg and the fix leg, because that's the point of a swap, as Freddy said. To back it out, we do either the reverse swap with a different counterparty (pay float, receive fixed) or call the original counterparty and ask for a price to tear up the original swap. As we are out of the money, both of these will cost money; the tear up will cost money now, the swap will cost money in the future (you'll be down the difference between the two fix rates).

If the market expects floating rates to rise significantly, then the swap may not be so far out of the money. In that case, you should be able to do the reverse swap for not too much spread between the fix rates, and similarly the tear-up should be cheap.

Suppose instead that we are doing arbitrage, and the swap is one we're thinking of buying rather than one we've already bought. To get rid of the floating rate risk on a quarterly swap (fixing on 3m Libor), we would need to buy a series of FRAs or Futures on the appropriate dates. The FRAs will pay out in the future, so we would net the difference between the swap fix rate and the FRA rate. A future will pay or require margin as soon as you buy it, and the account will vary all the way to the contract's effective date. This is the source of the convexity, which we need to adjust for to get the future's embedded rate expectation. But, as Christian points out, swaps these days are collateralised. So assuming standard daily cash collateralisation using the OIS index for interest, we will need to maintain a cash account with the moneyness balance of the swap. The future margin account will be dependent on the volatility of the futures, but the swap collateral account will be dependent only on the swap moneyness, so there is a risk that these will not match. We also need to keep in mind our relative cost of funding compared to OIS; if we are retail, we will get a spread over OIS, which raises the cost of the collateralisation. But I don't know whether retail institutions collateralise in the same way as interbank... if not then it's just back to open counterparty risk.

Another embedded risk in all this is counterparty risk; if the swap counterparty defaults, we will lose the float payments, and will be down the value of a Floating Rate Note if the swap was in the money. If it was out of the money, the counterparty's creditors will demand the value of the swap (or the continued payments), so we don't lose the downside either. Thus we need some kind of default protection; either a deep out of the money put (DOOM options) to cover against the counterparty's value disappearing - good for messy defaults - or a CDS. If we do a second swap to offset the first, we have the same risk of that counterparty defaulting too. And yes, the scenarios where one defaults are correlated with the scenarios where both default. For collateralised swaps, the risk is really down to the day-to-day movements (volatility!) as the collateral accounts will be up to date for the previous day. So the risk again, is dependent on the volatility of the swap's moneyness.

The alternative to all the counterparty risk is to do a cleared swap via a clearing house or a swap future via an exchange. These leave you exposed to the theoretically lower risk that the central counterparty will default. At least multiple trades may net out with a central counterparty. But you're back to a margin account and volatility exposure.

As AIG demonstrated, counterparties that sell CDS can also default, and they too are the scenarios where everyone else is more likely to default. But you have to wonder if anything will be sensible if all your counterparties die at once, particularly your CDS vendor. It wasn't sensible in 2008.

In short, if you're stuffed on a trade, get a realistic estimate of the costs of reversing it, then call up the original counterparty and tear it up.

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Assume the swap is collateralized, say with OIS accuring collateral account (plain swaps usually are collaterlized). In that case you will not "pay extra" since your collateral account already contais the amount you have to pay: whenever the swap triggers a net payment the collateral acocunt changes according to this payment. If you were hedged against interest rate movements before the market move, your hedges (or the other instruments) have generated that collateral. However, you do have an exposure to the OIS rate (because the swap is OIS collateralized), which you have to hedge (dynamically) by OIS swaps.

Assume the swap is not collateralized, then you have to fund all future values. The net payments in the swap are then payed by corresponding the maturing of the corresponding funding contracts (which you created dynamically in your hedge).

Put differently: If you are hedged agains interest rate movements (forward curve and discounting curve) your hedges will change in value such that all futures cash-flows can be paied. Just dynamically adjust the hedges...

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Recently there's a new instrument called swap futures. What is the use of them compared to a usual vanila Swap? (in terms of Bonds) –  bonCodigo Feb 27 '13 at 2:32
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@bonCodigo: swap futures are futures contracts which deliver swap contracts, and are traded on exchanges. This means they have lower margin/risk requirements than trading the swaps directly, and may be more liquid, but the con is that they are less flexible. In terms of bonds, you'd have to be trying to replicate cash flows, and you'd remain exposed to floating rate risk on the swap's fixing index. –  Phil H Mar 1 '13 at 10:59

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