Choose the plan that's right for you
GammaWins Calculator is free to use. Upgrade to Calculator Pro for advanced analysis tools.
Plan comparison
| Free | Pro | |
|---|---|---|
| Price | Free | $29 monthly $299 yearly |
| Unlimited calculations | ✅ | ✅ |
| Customizable payoff charts | ✅ | ✅ |
| Net Greeks and Greeks charts | ✅ | ✅ |
| P/L and Greeks chart over time | ✅ | ✅ |
| Flexible Table View | ✅ | ✅ |
| IV adjustments by leg and expiry | ✅ | ✅ |
| Skew and term structure charts Learn more | - | ✅ |
| Historical skew & term ranges Learn more | - | ✅ |
| Historical snapshots | - | ✅ |
| Multi-date charts | - | ✅ |
| Multi-price charts | - | ✅ |
| To calculator | Start 7-day trial |
Calculator Pro features are available at no cost when using Nasdaq Nordic market data.
FAQ
Can I use GammaWins for free?
Yes. The Free plan includes unlimited calculations and all core analysis tools. Calculator Pro adds advanced features for deeper scenario analysis.
What additional features does Calculator Pro include?
Calculator Pro includes interactive skew and term structure charts, historical skew and term ranges, historical market snapshots, and multi-date and multi-price analysis.
Is there a free trial?
Yes. Every new Calculator Pro subscription starts with a 7-day free trial. If you cancel before the trial ends, you won't be charged.
Can I cancel at any time?
Yes. You can cancel your subscription at any time from your account settings. Your subscription will remain active until the end of your current billing period.
What happens after the free trial?
Unless you cancel before the trial ends, your subscription automatically continues on the selected monthly or yearly plan and you'll be charged the applicable subscription price.
Do you offer refunds?
Because every subscription includes a 7-day free trial, we generally don't provide refunds after a subscription has renewed or a payment has been processed. If you believe you've been charged in error, please contact us and we'll be happy to investigate.
Is the Free plan going away?
No. The Free plan will continue to receive improvements. Calculator Pro is intended for traders who need more advanced analysis capabilities.
Which payment methods do you accept?
Calculator Pro subscriptions are processed securely through Stripe. Most major credit and debit cards are accepted.