
Leverage in Swiss Real Estate Funds and the One-Third Rule
A real estate fund borrows by mortgaging its buildings — but no more than one third of their market value (art. 96 CISO). How leverage amplifies NAV swings by nearly half, why a fall in property values mechanically tightens the debt ratio, and what that reveals about capital increases.
Jul 18, 2026 · 8 min read








