| What it does | Free options calculators and trade analyzer that shows its assumptions
| Convert decimal hours to hours and minutes with exact math
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Trade analyzer for single and multi-leg positions
- 58 strategy templates
- Black-Scholes-Merton Greeks calculator
- Scenario matrix across price and time
- Volatility labeled by source
- MarketData.app integration for option chains
- Browser-based position storage
- Shareable position links
- 20+ focused calculators
- Plain-English learning library
| - Convert decimal hours to hours and minutes format
- Support for multiple units: hours, minutes, seconds, and days
- Display results in multiple formats including clock time
- One-click copy functionality
- Optional rounding to nearest minute
- Quick reference conversion charts
- Show calculation steps
- Bulk converter for pasting columns
- Exact math using microseconds instead of floating-point
- Display total minutes and seconds for results
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| What makes it different | - Shows which numbers are exact arithmetic, which are estimates, and which come from user input
- No account required and positions stay in browser
- Never hides assumptions or pricing
- Server never sees user data or tokens
- Exact expiration payoff calculations
| - All calculations run in your browser with no data uploaded
- Exact math using whole microseconds prevents floating-point errors
- Addresses the common timesheet mistake of reading 7.30 as 7:30
- No accounts or sign-up required
- Treats wrong results as bugs with automated test coverage
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 7 ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 4 | 0 |
| Citation Flow (Majestic) | 20 | 0 |
| Referring domains (Majestic) | 9 | 0 |