# Tagged Questions

An interest rate is the rate at which interest is paid by a borrower (debtor) for the use of money that they borrow from a lender (creditor).

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### Pricing a Vanilla swap between coupons; What rates to use?

Vanilla Swap question. Entered into a 5Y fixed for floating HUF swap. Fixed is annual coupons, Float is semi-annual coupons. 1 month later I want to price it. I set up my future values for Fixed ...
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### Does the solution to this problem on floorlets have an error?

I'm self-studying and encountered the below problem and solution. I believe the payoff of the put at node $dd$ would be $(1.044)^{-1}\max(0.05 - 0.02, 0) = 0.019157088,$ and similarly the payoff at ...
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### How inplement monte carlo simulation in bdt model ? (interest rate)

I want to implement monte carlo method in Black–Derman–Toy model to preview short interest rates. $$d\ln r_t=(\theta_t+\frac{\sigma'_t}{\sigma_t}\ln r_t)dt+\sigma_tdW_t$$ Someone can explain what ...
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### positive financial leverage in real estate

I had the understanding that leverage always helped improve cash on cash returns so long as the interest paid was less than the unlevered rate of return/cap rate. doing a quick back of the envelope ...
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### Modelling nominal interest rates

What is the best model for nominal interest rates? ARMA, VAR, VEC, FAVAR, etc? I am a R user, so please advise me the most convenient R package to use as well. I intend to model US nominal interest ...
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### Swaption pricing

I am trying to understand the pricing of various types of swaptions. Suppose I have a swap that starts in 3 months time. How would I go about pricing a swaption on this swap in the following cases: ...
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### Weights Blowing up in PCA

I'm using daily settlement data to get yield levels for a couple of products. From this data I am doing PCA on a rolling collection of the yield levels. I have been using sci-kit learn's PCA function, ...
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### Code for quasi-Gaussian model (Cheyette model)

I'm looking into the quasi-Gaussian model with linear local volatility as explained by Andersen and Piterbarg (Interest Rate Modeling, Volume 2). I'm trying to calibrate this model and implement it. I ...
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### Model free estimation of convexity in Eurodollar IR Futures

Can someone please share some thoughts on how to estimate convexity for a given Eurodollar interest rate future contract, without assuming any underlying model for rates i.e. LMM, Hull-White etc. I ...
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### Interpolation of forward zeros-coupons bonds simulations for missing maturities (ESG data)

I have a set of economic scenarios simulated with Barrie and Hibbert ESG. The stochastic model for interest rates used is Libor Market Model Shifted. I am facing a problem with zeros-coupons prices. ...
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### shifted SABR - ATM vol

quick question guys. I know that for Shifted SABR (or any other Shifted model), we simply model the underlying price process (lets say the forward interest rate F), as F' = F + x, x being the shift. ...
In Hagan's paper on valuing CMS swaps (Convexity Conundrums: Pricing CMS Swaps, Caps, and Floors), there is: So the swap rate must also be a Martingale, and E \big[ R_s(\tau) \big| \...