---
title: What Survives an FOMC Surprise? Confounding and the Persistence of Announcement Effects in Asset Prices
url: https://www.ml-quant.com/papers/ssrn/7533561/
site: ML-Quant (https://www.ml-quant.com)
updated: 2026-10-02
license: Summaries CC BY 4.0; links go to the original sources
index: https://www.ml-quant.com/llms.txt
identifier: SSRN 7533561
source_url: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=7533561
featured: 2026-10-02
citations: unknown
topic: Macro-Finance & Rates
---


# What Survives an FOMC Surprise? Confounding and the Persistence of Announcement Effects in Asset Prices

Analyzing 261 FOMC announcements shows that immediate stock and yield impacts from policy surprises persist, while post-announcement drift and monetary momentum unwind within days or weeks.

- Source: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=7533561
- Identifier: SSRN 7533561
- Released: 2026-09-29
- First featured: Quant Letter No. 133 (2026-10-02): https://www.ml-quant.com/issues/2026-10-02/
- Citations (Semantic Scholar): not tracked
- Published in: not yet
- Topic: Macro-Finance & Rates
- Authors: Arka Prava Bandyopadhyay

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