Portfolio analysis and trade simulation.

Folioshift breaks down the change in a portfolio of European and US stocks line by line, and measures the effect of a trade on its allocation, exposure and currencies.

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One-month change, by holding

€47,800 → €48,230 · at constant positions

Sample portfolio, fictitious data.

Features

Performance attribution

The portfolio's change over the period, broken down by holding, with the currency effect shown separately.

Trade simulation

Allocation, concentration, currencies and metrics recalculated before and after a sale or purchase.

Portfolio profile

Valuation, quality and risk metrics, weighted by each holding's size.

The weekly summary

Every Sunday evening, a summary written from your holdings: what moved the portfolio, news from your companies and the market context, with sources.

Included in Premium

Weekly summary · example

A week lifted by energy, held back by luxury.

The portfolio ends the week at €65,940, up €552 (+0.8%). TotalEnergies and ASML account for most of the gain; LVMH took off €214.

TotalEnergies
+€262
ASML
+€238
LVMH
−€214

Fictitious example.

Trade simulation

The user chooses which holdings to trim and which to add to. Folioshift calculates the portfolio after the trade, without making any recommendation.

  • Allocation by sector, country and currency
  • Weight of the largest holding and of the top three
  • Profile metrics, before and after

Simulated trade

Sell 10 LVMH · Buy 60 TotalEnergies

Largest holding weight
20.4 %18.6 %
Average P/E
22.421.3
Luxury share
18 %16 %
Energy share
14 %22 %
Non-euro share
15 %15 %

Fictitious example.

Independence

Folioshift describes and calculates. It makes no buy or sell recommendations.

Coverage

Paris, Amsterdam, Brussels, Frankfurt, Madrid, Helsinki and New York. Totals in euros or dollars.

Privacy

No data is ever sold. Accounts and portfolios can be deleted from the settings.