Tech Den

Interactive Book

Derivatives, interactive.

A study companion to Hull’s Options, Futures, and Other Derivatives. 37 chapters you can actually play with.

Open the bookLearn more

Try it here

Price an option.
Right on this page.

Every chapter comes with tools like this one. Move the sliders and watch value and payoff pull apart.

Value at S = 100
—
Delta
—
Time value
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Dashed: payoff at expiry. Solid: Black–Scholes value today. Strike $100, rate 5%. Hover or drag on the chart to move S.

Everything you need.
Nothing you don’t.

37
chapters
24
pricing tools
~200
live spreadsheets
3
reading modes, EN / 中文
  • Black–Scholes, binomial trees and Monte Carlo you can drag around

  • Excel-like sheets with real formulas, fill handle and charts

  • Section quizzes, chapter tests and endless practice problems

  • Flashcards, formula sheet and your own margin notes