So her payoff then is simply the larger of and , or simply. A Call Option provides baker the choice to buy at the contracted price when the price of wheat has gone up. Again, the story works similarly. That is, his payoff from the Call Option is — i. So his payoff then is simply the larger of and , or simply. Keeping only give the upside while keeping the downside to zero.

### The payoff of the above option is

Well, yes. And like all good things in life, they also come with a price attached — that is they are not free. Both must pay a price to buy such Options. And who, pray, must they pay this price to? It should be clear now who these prices must be paid to. When a farmer buys a Put, she pays a price to a baker who is then forced to buy from her when she wants to sell at the contracted price.

Similarly, a baker would buy a Call from a farmer who is then forced to sell it to him when he wants to buy at. So now we have four sides. A baker now either has a choice to buy when he buys a Call or is being forced to buy when he has sold a Put. Similarly, a farmer either has a right to sell when she buys a Put or is being forced to sell when she has sold a Call. These are very useful and handy, but this we leave it for the next post.

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## Bond plus option

Create a free website or blog at WordPress. Written by Vineet October 28, at pm. Call Option A Call Option provides baker the choice to buy at the contracted price when the price of wheat has gone up. Pages About Search for:. These Bonds avoid the risk of Reinvestment of Coupon Bonds as Interest Rates keep changing with the passage of time which impacts the Yield to Maturity of such coupon bearing Bonds.

Since there are no interim cash flows, the investor is assured of a fixed rate of return. Usually, these Bonds are issued for a longer time frame which can be used by a potential investor to align with their life goals such as Marriage, Children Education, and retirement and so on. Thus a smart investor based on their time horizon can invest in different maturity Zero-coupon Bonds by paying a smaller amount initially as Zero-coupon Bonds are issued at deep discounts one can buy more with lesser amount and stagger them as per their career and life goals without getting impacted by the volatility.

Not all Zero-coupon Bonds have a ready secondary market which results in illiquidity. Furthermore, in case of any urgent need funds, it is difficult to liquidate the same without getting a major haircut in value. They have a single cash inflow for the Investor which happens at the maturity and as such these bonds have the greatest Duration which results in Interest Rate Risk.

Further, These are issued with call provisions which allow the issuer of such Bonds to redeem the bonds prior to their maturity at dates and prices which are predetermined at the time of issue of such Bonds.

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In such cases, the Investor is left with the risk of reinvesting the proceeds at the rates available at the time of redemption which will obviously be less than the earlier slated yield on the redeemed bonds. Furthermore one has to pay tax on the accrued interest on such bonds every year. However, it is pertinent to note here that there are certain categories of Zero Coupon Bonds which can overcome the taxation problem.

This has been a guide to what is Zero Coupon Bond. Also 0? This problem is similar to Problem The yield curve is flat with a continuously compounded rate of 5. Observations spaced at intervals? Show that the maximum likelihood estimates of a, b, and? What is the corresponding result for the CIR model? The change ri —ri-1 is normally distributed with mean a b? The probability density of the observation is? In the case of the CIR model, the change ri —ri-1 is normally distributed with mean a b? Suppose a? Construct a trinomial tree for the Hull—White model where there are two time steps, each one year in length.

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The time step,? Also jmax? With only three steps we never reach the point where the branching changes.

## 期权期货与其他衍生产品第九版课后习题与答案Chapter (31)_百度文库

The tree is shown in Figure S Calculate the price of a two-year zero-coupon bond from the tree in Figure At node B it is worth e? At node C it is worth e? At node D it is worth e?

It follows that at node A the bond is worth 88? It follows that at node A the bond is worth 93? Because 91? Calculate the price of an month zero-coupon bond from the tree in Figure At node E it is worth e? At node F it is worth e?

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At node G it is worth e? At node H it is worth e? At node I it is worth e0? At node B it is worth 0? The value at node A is therefore 0? This gives the price of the month zero-coupon bond as e? What does the calibration of a one-factor term structure model involve? The calibration of a one-factor interest rate model involves determining its volatility parameters so that it matches the market prices of actively traded interest rate options as closely as possible.

Use the DerivaGem software to value 1? Use the Hull—White model with a? The option prices are 0. The implied Black volatilities are Prove equations From equation What is a similar alternative C? How would you calculate C? P t,T in terms of? B t , T 2 For a coupon-bearing bond C? The volatility is 0. This means that the market price of interest rate risk is? When we move to the real world the return increases by the product of the market price of dz risk and?