The European Central Bank increases key interest rates at its next scheduled policy meeting.

Question

Six frontier AI models put this at 35% by 11 Nov 2026. Full reasoning from every model.

WillHappen.ai · Accepted Answer

35% — the median of 6 frontier models, resolving by 2026-11-11.

Answer

Gemini (Google): 73% — The decision hinges on whether the ECB Governing Council prioritizes persistent 3.8% core inflation over looming stagnation. The ECB's next meeting is scheduled for late October, giving the Governing Council immediate incentive to deliver at least 25 bps. Headline CPI at 3.8% remains well above the 2.0% target, and historical ECB reaction functions strongly favor tightening when above 3%. A surprise crash in October flash PMI or sudden financial sector stress before late October is the main risk that forces a hold.

Answer

Claude (Anthropic): 4% — ECB is in a cutting/holding cycle with inflation near target, a hike at the next meeting would be a sharp reversal. Eurozone inflation near 2% target in 2025-26, not 3.8% (likely stale/incorrect context), reducing hike case. ECB Governing Council has signaled data-dependent holds after prior cuts, with no public guidance toward tightening. A hike would require a sudden inflation shock or wage-price spiral surprise before the Dec 2025/Jan 2026 meeting to shift odds materially.

Answer

GPT (OpenAI): 7% — The decisive issue is whether a fresh inflation shock overturns the ECB’s likely easing-or-hold posture by November. The Governing Council must vote for an increase at its next scheduled meeting, likely 29 October, leaving little time for data to reverse course. Rate hikes after inflation falls from a peak are uncommon absent a material upside surprise; weak growth raises the bar further. I would raise this sharply if October flash inflation or wage data showed a broad, persistent reacceleration above the ECB’s 2% target.

Answer

Grok (xAI): 62% — Whether Sept 3.8% inflation and market pricing force a hike at the late-Oct Governing Council meeting despite growth risks. The next scheduled meeting falls before 11 Nov (typical 6-week cadence, last window late Oct); staff projections and Sept HICP are already in. ECB has hiked on similar above-target prints when markets priced it (2022-23 cycle); growth concerns have delayed but not blocked when inflation stayed >3%. A sharp growth miss or core-inflation drop in the Oct flash would most shift the call toward hold.

Answer

DeepSeek (DeepSeek): 8% — The ECB has already signalled rates are high enough; the next meeting is about how long to hold, not whether to hike. Inflation is already below the ECB's September forecasts; Lagarde signalled the tightening cycle has ended and the discussion has shifted to how long rates stay on hold. Growth concerns across the euro area and the Fed's own pause give the ECB ample reason to avoid a surprise hike before Q4 data arrive. The bar for a hike is a CPI surprise above 4% or a sharp wage reacceleration; absent that, the October meeting ends in a hold.

Answer

Qwen (Alibaba): 63% — At 3.8% inflation the ECB faces pressure to act, but growth concerns could prompt a hold-and-signal instead of an immediate hike. The ECB's next meeting falls around late October 2026; with inflation nearly double target, the Governing Council has clear mandate justification to hike. Markets pricing in tightening raises the odds, but 'continued' doesn't guarantee the very next meeting—Lagarde has previously skipped meetings to preserve optionality. A surprise downside revision to Q3 GDP or a credit-stress event in the banking sector would be the most likely trigger for a pause instead.

The European Central Bank increases key interest rates at its next scheduled policy meeting.

The Reserve Bank of New Zealand raises its official cash rate at its 29 October 2026 meeting.

The Bank of Canada raises its policy interest rate at its 29 October 2026 meeting.

The Bank of Japan raises its inflation forecasts in its 30 October 2026 outlook report.

The Bank of Japan leaves its policy rate unchanged at its 30 October 2026 meeting.