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Dany Trakhtenbergleft a comment
I built StockRisker because most portfolio tools treat “risk” as a label — not something you can actually see or reason about. I wanted a tool where changing risk visibly changes portfolio structure: allocation limits, concentration, and diversification — with clear guardrails and no black boxes. StockRisker runs entirely in the browser, requires no signup, and focuses on transparency over...

Portfolio OptimizerBuild stock portfolios based on risk, not hype
StockRisker is a risk-first portfolio optimizer that focuses on structure, not stock picking.
Instead of labeling portfolios as “low” or “high” risk, StockRisker shows how risk directly affects allocation limits, sector exposure, and diversification.
Adjust risk levels and see live metrics like volatility, Sharpe ratio, and allocations update instantly. No accounts, no hype — just transparent, constraint-based portfolio design that runs entirely in your browser.

Portfolio OptimizerBuild stock portfolios based on risk, not hype
Dany Trakhtenbergleft a comment
I developed this tool so travelers with no EU visa can stay in the EU Schengen area as long as possible without violating the Schengen rules and get fined or banned. This is the only calculator that lets you save your trip for later and share your trip with others

Schengen CalculatorTravel as long as possible in Europe
Instantly check your Schengen days left. Easier than the EU's official calculator, mobile-friendly, and lets you save & share trips.

Schengen CalculatorTravel as long as possible in Europe
