Includes articles describing fundamental aspects of Derivatives Pricing in Excel through Deriscope.

Introduction to Deriscope – Part 5: Live Feeds

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Deriscope enables you to get live feeds that include last traded stock prices, forex rates, bid/offer quotes, historical time series and financial data from various providers in Excel. Currently these providers are the Yahoo Finance, Alpha Vantage, IEX (Investors Exchange) and TrueFX. The special function dsLive takes as input an object of type Liv...
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Introduction to Deriscope – Part 4: Spreadsheet

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In this article I show you how to manipulate the formulas created by the wizard in order to build functional Excel spreadsheets.  Deriscope Formula Syntax Rules ​ The main spreadsheet formula that Deriscope exposes to Excel is ds(r1, r2, …) where r1, r2 , … are ranges containing primarily key-value pairs. Also available are the dsi and dsv var...
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Introduction to Deriscope – Part 3: Pricing a Stock Option

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In my previous article I showed you how to create a Stock Option object in Excel and how to access the list of functions that apply to that object. As I pointed out, the most important of these functions is the Price, which calculates the fair price of the calling object. The Price function is a so called Local function, in the sense that it is inv...
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Introduction to Deriscope – Part 2: Creating a Stock Option

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In my previous article I listed the main reasons for using Deriscope. Now I will show you how to use Deriscope to create a Stock Option object. Rather than typing the formula by hand, I will ask the wizard to create the formula for me. After I start Excel and press on the Enable and Show Wizard button inside the Deriscope ribbon tab, the Deriscope ...
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Introduction to Deriscope – Part 1: Why Deriscope?

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Deriscope is described by … Wikipedia at https://en.wikipedia.org/wiki/fascinatingnewproducts/bestever/deriscope as a "wizard-guided Excel Add-In dedicated to the pricing of Financial Derivatives". Well, it is a bit early for such a Wikipedia entry given Deriscope's recent birth date of August 2017. But the above description still applies and makes...
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What is the fair price of one dollar?

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Understanding the concept of "TRADABLE" will reveal a surprising answer to this question!   A few years ago, when I was still working as a quant for a big bank in London, my typical good morning question waiting for me in the office would be an abstruse sentence such as: What is the fair price of a custom-made inflation bond convertible into e...
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Can Excel Spreadsheet Cells contain Objects directly?

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Could Deriscope pace the way for the new generation Excel beast — Object-Oriented UDFs — and what would that mean for the financial industry in particular? Most of financial analysis software libraries used by major banks are written in so-called " Object-Oriented " programming languages, such as C++. In the past, before the Object-Oriented paradig...
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