Callculator debit spread strategy simulator

Color scheme

Money units

When price changes

NVDA stock details, then strategy

Setup

1

Stock setup

Set the underlying assumptions.

Current price

Used to price the spread today.
$
$5$265

Current IV

Used to estimate today's spread cost.
%
5%150%

Days to expiration

The spread value moves toward intrinsic value as DTE approaches zero.
DTE
0 DTE365 DTE
Advanced pricing▾

Model assumptions

This uses a Black-Scholes estimate with current IV for today's entry cost, future IV for scenario values, and a flat risk-free rate. Both call legs share the same IV in each estimate.

2

Pick a strategy

Buy one call and sell a higher-strike call. Defined risk, capped upside.

$3 wide spread between long and short strikes.

Long call (buy)

The strike you buy.
$
$5$265

Short call (sell)

The strike you sell.
$
$5$285

Capital to deploy

The app buys as many full 1x1 spreads as this amount allows.
$
$500$100000
Contracts

Educational options calculator for debit spreads, break-even prices, max profit, max loss, and scenario P/L. Estimates are theoretical and not financial advice.