▲ MARKETS & ECONOMY 1 WEEK HORIZON RESOLVES 21 SEPT 2026

The Bank of England announces an interest rate increase on September 17, 2026.

Traders are closely watching major central banks for policy divergence. The Bank of England rate decision is scheduled for September 17, 2026.

Across 6 frontier models answering independently, the panel has all but ruled it out: the median is 8%.

They broadly agree, 13 points between GPT at 16% and Gemini at 3%.

It did not happen. Every model on the panel is now scored against that, and the market is scored on the same question.

It didn't happen.

On 17 September 2026, the Bank of England's MPC voted 6-3 to hold Bank Rate at 3.75%, not raise it. This was confirmed by the BoE's own Monetary Policy Summary and widely reported by Reuters and BBC, all describing a hold rather than an increase, directly contradicting the statement.

Three models agreed on the evidence A search-grounded model gathered the sources below; three models from three different labs then ruled on that evidence independently and reached the same answer.

  • Claudenot happenedcontradicting evidence
  • GPTnot happenedcontradicting evidence
  • Gemininot happenedcontradicting evidence

23 Sept 2026 · 99% mean confidence · dispute this

MODEL BY MODEL

What each one said

  • GPTOpenAI

    With inflation likely nearer target by then, a hold is more probable than a September hike.

    openai/gpt-5.6-terra · asked 14 Sept 2026
    16%
  • GrokxAI

    Hikes rare at a given MPC; 3 days out, unpriced surprise hike extremely uncommon.

    x-ai/grok-4.6 · asked 14 Sept 2026
    12%
  • DeepSeekDeepSeek

    BoE cut to 4.0% in Aug 2026; hike three days later would be unprecedented reversal.

    deepseek/deepseek-v4.1-flash · asked 14 Sept 2026
    12%
  • ClaudeAnthropic

    BoE has been in cutting cycle; hikes require inflation surprise, unlikely by Sept 2026

    anthropic/claude-sonnet-5 · asked 14 Sept 2026
    4%
  • GeminiGoogle

    BoE is in a neutral-to-easing cycle with virtually no market anticipation of near-term rate hikes.

    google/gemini-3.8-flash · asked 14 Sept 2026
    3%
  • QwenAlibaba

    BoE is in a cutting/holding cycle; no major inflation shock to force a hike in 3 days.

    qwen/qwen3.8-max-0902 · asked 14 Sept 2026
    3%

6 of 6 models answered · 13 points between the highest and lowest. None was shown the market price.

WHAT DO YOU THINK?
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Question sourced from a news sweep on 14 Sept 2026. Forecast by google/gemini-3.8-flash, anthropic/claude-sonnet-5, openai/gpt-5.6-terra, x-ai/grok-4.6, deepseek/deepseek-v4.1-flash, qwen/qwen3.8-max-0902 via OpenRouter.