www.gusucode.com > fininst 案例源码程序 matlab代码 > fininst/PriceanAmortizingFloatingRateNoteExample.m

    %% Price an Amortizing Floating-Rate Note  
% Price an amortizing floating-rate note using the |Principal| input argument
% to define the amortization schedule.   

% Copyright 2015 The MathWorks, Inc.


%% 
% Create the |RateSpec|. 
Rates = [0.03583; 0.042147; 0.047345; 0.052707; 0.054302];
ValuationDate = '15-Nov-2011';
StartDates = ValuationDate;
EndDates = {'15-Nov-2012';'15-Nov-2013';'15-Nov-2014' ;'15-Nov-2015';'15-Nov-2016'};
Compounding = 1;
RateSpec = intenvset('ValuationDate', ValuationDate,'StartDates', StartDates,...
'EndDates', EndDates,'Rates', Rates, 'Compounding', Compounding)  

%% 
% Create the floating-rate instrument using the following data: 
Settle ='15-Nov-2011';
Maturity = '15-Nov-2015';
Spread = 15;  

%% 
% Define the floating-rate note amortizing schedule. 
Principal ={{'15-Nov-2012' 100;'15-Nov-2013' 70;'15-Nov-2014' 40;'15-Nov-2015' 10}};  

%% 
% Build the BDT tree and assume volatility is 10%. 
MatDates = {'15-Nov-2012'; '15-Nov-2013';'15-Nov-2014';'15-Nov-2015';'15-Nov-2016';'15-Nov-2017'};
BDTTimeSpec = bdttimespec(ValuationDate, MatDates);
Volatility = 0.10;  
BDTVolSpec = bdtvolspec(ValuationDate, MatDates, Volatility*ones(1,length(MatDates))');
BDTT = bdttree(BDTVolSpec, RateSpec, BDTTimeSpec);  

%% 
% Compute the price of the amortizing floating-rate note. 
Price = floatbybdt(BDTT, Spread, Settle, Maturity, 'Principal', Principal)