The QV House Price Index reports annual nationwide price growth in New Zealand before end-2027.

Question

Six frontier AI models put this at 82% by 7 Oct 2029. Full reasoning from every model.

WillHappen.ai · Accepted Answer

82% — the median of 6 frontier models, resolving by 2029-10-07.

Answer

Gemini (Google): 88% — RBNZ OCR cuts and chronic structural supply shortages will mechanically tip year-on-year value comps positive before late 2027. Reserve Bank easing cycles historically spark positive year-on-year house price rebounds within 6 to 12 months of rate troughs. A 14-month window through December 2027 offers multiple reporting prints against weak 2025-2026 baselines. A renewed stagflation spike forcing the RBNZ to hold policy rates above 5% through 2027 is the only plausible spoiler.

Answer

Claude (Anthropic): 78% — Hinges on RBNZ rate cuts reviving NZ housing demand enough for positive YoY growth before end-2027. OCR cuts through 2025-2026 are already easing mortgage rates, historically the key driver of NZ house price turns. NZ housing has a long history of multi-year cycles but rarely stays flat/negative for more than 3 years straight. Risk: if net migration slumps or unemployment rises further, recovery could be delayed past 2027.

Answer

GPT (OpenAI): 94% — This mainly turns on QV continuing its regular national releases through a long enough housing cycle. QV has published nationwide monthly House Price Index updates for years, so a positive annual reading needs no new policy or approval. With nearly 15 months before 2027 ends, a year-on-year rise can occur even if the market remains uneven across regions. The key downside is a prolonged recession or rate shock keeping national values below year-earlier levels throughout 2027.

Answer

Grok (xAI): 82% — QV YoY national growth turning positive by Dec-2027 after RBNZ easing cycle. RBNZ began cutting OCR in Aug-2024; housing typically lags 9-18 months so a 2025-26 trough implies 2026-27 YoY prints. Post-GFC and 2010s NZ recoveries showed positive annual QV growth within two years of first cuts; this cycle sits near that base. A 2027 recession or renewed hikes would delay it, but current easing path and inventory drop make that the main swing factor.

Answer

DeepSeek (DeepSeek): 40% — It hinges on whether RBNZ rate cuts reflate the housing market fast enough to turn annual growth positive within roughly 15 months. QV's national index was falling roughly 4-5% annually into late 2025, so the RBNZ would need to cut the OCR well below its ~2.5% neutral level and hold it there through… The RBNZ's own May 2025 projections showed annual house price growth turning positive only around mid-2027, and that forecast already assumed a faster cutting path than… A faster-than-expected collapse in mortgage rates plus resumed migration-driven demand is the one development that flips this, but neither has shown up in the last two…

Answer

Qwen (Alibaba): 82% — NZ house prices have already turned positive in 2025-26; the question is whether that holds through end-2027. QV's national index showed positive annual growth by mid-2025 as OCR cuts from late 2024 fed through to demand. RBNZ cut the OCR to 3.5% by mid-2025, and further easing or a stable low rate supports continued nominal growth through 2027. A renewed downturn would require a sharp external shock or aggressive re-tightening; base rate for NZ avoiding negative annual growth over a 2-year window after a…

The QV House Price Index reports annual nationwide price growth in New Zealand before end-2027.

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