The Climate Clock’s 1.5°C deadline, derived from remaining carbon budgets in IPCC assessments and updated annually or quarterly with global emissions inventories, shows high trader confidence in stability through late 2026 because recent UNEP and NOAA data confirm ongoing overshoot trajectories without abrupt revisions to cumulative CO₂ allowances or warming rates. Steady annual emissions near 40 GtCO₂ and accelerating observed warming of roughly 0.36°C per decade since 2010 leave little room for near-term shifts in the projected 2029 deadline absent major new observations. Realistic catalysts for change remain limited to an unexpected sharp emissions decline or a revised carbon-budget estimate from upcoming monitoring reports.