MarketXLS Blog

Fund overlap is reported as a single percentage, but that number is calculated three different ways and hides which of the two funds is the subset. Here is how to read it properly.

Put spread calculator output looks like settled arithmetic, and the arithmetic is fine. What is missing is that the same payoff can be built from puts or from calls at identical strikes, that the two legs never share one volatility, and that only the put version can be assigned early. This build measures all three on a live chain.

Call spread calculator output hides one trap: the attractive payoff multiple and the low win probability are the same fact stated twice. This guide builds both directions of the spread in Excel from live option data, and separates the three probabilities that most calculators collapse into one number.

Cash secured put calculator outputs look like income until you check the denominator. This guide builds the calculator in Excel from live option data, then adds the one column almost every free tool leaves out: the premium yield measured against what the same collateral earns in Treasury bills.

Bull call spread calculator results are trivial arithmetic once you have picked the strikes. Picking the strikes is the whole job. This build ranks nine spreads on one chain, reprices them at the fill you would actually get, and finds two that cannot make money at any price.

Calendar spread calculator work has one hard part: on the day the short leg expires, the long leg does not settle, it gets repriced. This guide builds that reprice in Excel from live option data, then shows the volatility risk a standard payoff diagram leaves out.

The best options profit calculator depends on fit: web tools for quick payoffs, broker tools for execution, Excel models for live quotes, Greeks, scenarios and sizing. Scored on nine criteria.

Covered call calculator outputs are easy to misread, and the annualized if-called return is the number that fools people most often. This guide builds the calculator in Excel from live option data, then shows why two honest annualized returns can rank the same ten strikes in exactly opposite order.

Option trading calculator results are easy to find and hard to use. This build turns the calculation into a trade plan: breakeven against the expected move, a volatility scenario grid, structure comparison and a position size the account can survive.

How to structure a DCF workbook in Excel: sheet layout, FCFF projections, WACC, terminal value, sensitivity tables, and error checks, with MarketXLS data.

option greeks calculator workflows let traders measure delta, gamma, theta, vega, and rho in real time—discover how MarketXLS powers this analysis in Excel, Sheets, and AI assistants.

stock options calculator workflows help traders price contracts, measure Greeks, and model scenarios—this guide shows how MarketXLS and its AI connector streamline every step.

Build a Monte Carlo simulation in Excel with NORM.INV(RAND()), a Data Table, and historical prices from MarketXLS, then read percentiles, probability of loss, and CVaR.

How a call option calculator prices a call with Black-Scholes, which inputs it needs, what the Greeks mean, and how to run it in Excel or an AI assistant with MarketXLS.

black scholes calculator workflows in MarketXLS let traders price calls and puts, extract Greeks, and pipe live data into AI assistants or spreadsheets in seconds.