7-day free trial · $0 today

Run your next calculation ad-free

Same calculators, same Option Finder, none of the banners, pop-ups or video ads. Try it free for 7 days and cancel online any time.

Start your free week

Pick how you'd pay after the trial. You can cancel before then.

Plan after the free trial
2 months free
  • 8+ characters

By starting your trial you agree to the Terms and Privacy Policy. Your plan starts at $99.50 a year on November 17, 2026 unless you cancel before then.

  • $0 today
  • Cancel online anytime
  • Secure checkout by Stripe

Next, you'll add a card on Stripe's secure page. You won't be charged until November 17, 2026.

Table view
The results table with a sidebar ad, a banner ad and a video ad around it Ad Video ad Ad
The same results table ad-free, larger and with nothing around it
Chart view
The profit and loss chart with a banner ad and a video ad below it Video ad Ad
The profit and loss chart and results summary ad-free

Real screenshots of the calculator. Ad-free, the whole screen goes to your strategy.

What you get

  • No ads on any pageNo banners, sidebars, pop-ups or auto-playing video, on every device you sign in on.
  • Every strategy calculatorFrom a long call to an iron condor or a custom 8-leg position, with full-size charts and tables.
  • Option Finder and chains, full widthMore results on screen and nothing breaking up the rows you're scanning.
  • Faster, steadier pagesNothing loading in and shifting the page under your cursor mid-calculation.

How the free trial works

  1. TodayCreate your account and add a card with Stripe. Ads disappear as soon as you sign in. You pay $0.
  2. Before your trial endsWe email you a reminder. Cancel online from your account page if it isn't for you.
  3. November 17, 2026Your plan starts at $99.50 a year. Keep it as long as you like.
Trusted by option traders since 2008

Used every trading day by independent traders and by professionals at banks, hedge funds, prop desks and advisory firms. The calculators stay free for everyone; going ad-free is how traders support a small, independent team directly.

Questions

Will I be charged today?

No. Stripe asks for a card to start the trial, but nothing is charged for 7 days. If you cancel before November 17, 2026, you're never charged.

How do I cancel?

Sign in and cancel from your account page, any time. No email or phone call needed.

What changes when I go ad-free?

Every ad disappears from every page as soon as you sign in, on any device you sign in on. The calculators, Option Finder and everything else work exactly as you're used to.

Will the calculators stay free?

Yes. Nothing is locked behind the subscription. Ads have paid for the site since 2008; going ad-free lets you support it directly instead.

Monthly or yearly?

Yearly is $99.50, the same as 10 months on the monthly plan, so you get 2 months free. Monthly is $9.95 a month.

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