Blend monthly returns for any weight combination of your models and see live performance metrics & charts. Runs entirely in this browser — nothing is uploaded anywhere.
Paste two columns (Date, Return) per model — comma or tab separated, one row per month. Header row optional. Returns may be entered as percent (e.g. 2.26) or decimal (0.0226); use the toggle per box. CSV upload auto-detects date & return columns.
The visitor-facing benchmark switcher now lives next to the Growth chart below. Use this box only to paste/update a custom benchmark series that isn't one of the built-in presets.
Blend always uses normalized weights (they're scaled to sum to 100% automatically), calculated over months where every non-zero-weighted model has data.