FinCalcs.NET
Financial Tools SaaS
Option pricing, exotic options, discount for lack of marketability (DLOM), bond analytics, and stock volatility calculations using the FinTools® models developed by Montgomery Investment Technology, Inc.
Monthly and yearly subscription pricing.
Who uses FinCalcs.NET
Valuation analysts, auditors, compensation and equity-plan professionals, traders, and students use the calculators to value options and equity awards, estimate marketability discounts for restricted or privately held shares, analyse bonds, and study volatility. Every calculator shows its inputs, outputs. Premium subscribers can export inputs and results to Excel.
Getting started
- Log in, or register for a free account, from the menu in the top right corner.
- Choose a calculator from this page or from the Options, Exotics, DLOM, Bonds or Volatility menus.
- Enter the inputs and click Calculate.
Calculators
Option pricing
- Black-Scholes – Theoretical value and Greeks of European-style calls and puts, with a quasi-American variant for discrete dividends.
- Binomial – Cox-Ross-Rubinstein binomial tree for American- and European-style options.
- Lattice Exercise Behavior – Trinomial lattice for employee stock options, modelling suboptimal exercise, vesting and forfeiture.
- Method of Lines – American option values using the method of lines with Richardson extrapolation.
- Constant Elasticity of Variance – CEV model capturing the leverage effect and volatility skew.
- Gram-Charlier – Black-Scholes adjusted for skewness and excess kurtosis of returns.
- Jump-Diffusion – Merton jump-diffusion model for discontinuous price moves and fat tails.
- Forward Start Black-Scholes – Options whose strike is set at a future date, such as forward-start grants.
Exotic options
- Barrier Options – Knock-in and knock-out (up/down, in/out) barrier options with rebates.
- Binary Barrier Options – Cash-or-nothing and asset-or-nothing payoffs triggered by a barrier.
Discount for Lack of Marketability (DLOM)
- DLOM Overview – What a DLOM is, when it applies, and how the option-based models compare.
- Chaffe – European put option approach to the marketability discount.
- Finnerty (2002) – Average-strike put option model, original formulation.
- Finnerty (2012) – Average-strike put option model, revised formulation.
- Longstaff – Lookback put option giving an upper bound assuming perfect market timing.
- Ingersoll – Utility-based discount reflecting investor risk aversion and diversification.
Bonds and volatility
- Bond Analytics – Price, yield to maturity, accrued interest, Macaulay and modified duration, and convexity.
- VolatilityCalc – Charts prices and historical volatility, skewness and kurtosis for any US-traded stock.
We hope that you find the calculators useful and intuitive. Please contact us with any questions or suggestions.
