Call #1985 · TZ · Currency depreciation (FX reference rates)

TZS depreciates 0.65% or more against USD at any point within 14 days, from 2642.88.

Made 2026-09-07, resolving 2026-09-21 — a 14-day window, fixed before the outcome was known. Every field on this page was frozen when the call was made.

28%

what we said

stated on 2026-09-07, before the window opened

calls table · probability

27%

how often it happens anyway

TZ's own base rate at issue — we sit +1pts from it

calls table · base_rate

OPEN

not yet resolved

resolves 2026-09-21

resolver: fx_rates (daily USD reference rates)

The criterion

Frozen at issue

Hit if the currency's peak rate against USD inside the window exceeds the issue-day reference (2642.87511) by at least 0.65%. Peak, not endpoint: a devaluation that retraces still happened.

The resolver is external — fx_rates (daily USD reference rates) — and the daily snapshot of this call in ledger-snapshots/ carries GitHub's timestamps. Diff any two dated files to verify nothing above moved after 2026-09-07.

History

Every TZ currency call

← The full ledger · the same data as JSON

Daily snapshots of this book are committed to the public repository — ledger-snapshots/ — so the stated probabilities and thresholds carry GitHub's timestamps, not ours. A reader can verify no call moved between issuance and resolution without trusting us.