17Fair value disclosures

Fair value of financial instruments

(CHF million)

30.06.2026

31.12.2025

Carrying amount

Fair value

Carrying amount

Fair value

Bonds of Airport Zurich Noise Fund (Level 1)

316.8

323.7

316.8

323.5

Total financial assets

316.8

323.7

316.8

323.5

Debentures (Level 1)

–1,064.4

–1,050.7

–1,064.4

–1,039.6

Total financial liabilities

–1,064.4

–1,050.7

–1,064.4

–1,039.6