KOF Swiss Economic Institute · monthly

KOF Economic Barometer

The headline Swiss leading indicator for the business cycle, published monthly near month-end. A single composite index built from a large basket of underlying predictors, designed to anticipate the year-over-year growth rate of Swiss GDP a few months ahead. Normalised so the long-run mean sits around 100; readings above 100 signal above-average expected growth, below 100 the reverse. Plain one-column time series, no dimensions, monthly back to 1991. Note: on API v2 the per-key ts endpoint serves every public key (the v1 HTTP 412 gate is gone), but the wider open KOF family is still most convenient as whole collections — see ch_kof_esi (R/source_kof.R::kof_set_fetch), which reads ogd_ch.kof.esi, ogd_ch.kof.globalbaro, ogd_ch.kof.bts_total.

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