Build a calmer
investment journey
Upload your strategies, ETFs, or portfolios. Discover combinations that reduce drawdown and improve long-term compounding.
↗ Try Drawdown Analysis instantly — no login, no email requiredThe Problem
Most traders analyse strategies one at a time, individually.
But risk happens at the portfolio level.
Hidden drawdown
Two strategies can look fine individually but create devastating drawdowns when combined.
Guesswork allocation
How much capital should go to each strategy? Most traders guess. PortBlend shows you the answer.
Excel breaks down
Spreadsheets cannot model rebalancing, drawdown interaction, or portfolio-level compounding properly.
How It Works
Three steps to a better portfolio
Upload
Upload a CSV with two columns: date and NAV value. One file per strategy or asset. Your files never leave temporary memory.
Analyse
PortBlend computes drawdown behaviour, portfolio interaction, and rebalancing impact automatically.
Discover
See which combinations reduce drawdown, improve compounding, and match your risk tolerance.
Features
Two powerful modules
Drawdown Confidence Dynamics
Deep drawdown analytics for a single NAV series. Understand your strategy's pain points before deploying capital.
- Maximum drawdown and duration
- Drawdown episodes with recovery tracking
- Monthly and yearly stress heatmaps
- Distribution analysis across episodes
System Interaction Intelligence
Portfolio-level analysis across multiple NAV series. Find combinations that are calmer than their individual parts.
- Weighted portfolio NAV construction
- 7 rebalancing modes
- Per-symbol drawdown contribution
- Dominance detection and risk warnings
Who It's For
Built for serious investors
Systematic Traders
Running multiple rule-based strategies and need portfolio-level drawdown control.
ETF Investors
Combining ETFs and want to understand how they interact during drawdown periods.
Asset Allocators
Managing across asset classes and need a risk-first approach to allocation decisions.
Wealth Managers
Analysing client portfolios and model portfolios for drawdown resilience.