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Fed Hiked: One small step?

中文标题

美联储加息:一小步?

Citable research brief

Core conclusion · Tlines extraction

Natixis reports the FOMC raised the policy rate 25bps to a 4.00% upper bound in a unanimous September decision, the first hike since 2023, with Chair Warsh citing persistently high inflation. Natixis expects Banxico to leave its rate at 6.50% for a long time and avoid forward guidance, even if the Fed hikes another 25bps, unless exchange-rate moves become unhinged. Brazil's BCB will keep cutting the Selic gradually, with the terminal rate path hinging on fiscal adjustment.

Institution
Natixis
Published
09/18/2026
Research topic
Fed Policy · Inflation
Time horizon
2023 · near-term · 2027 · next week

Key arguments

  • The FOMC raised rates 25bps to a 4.00% upper bound unanimously, the first hike since 2023, citing inflation that is too high and has been for too long.
  • Banxico is expected to hold at 6.50% for a long time and avoid forward guidance, even if the Fed hikes another 25bps, unless exchange-rate moves become unhinged.
  • Brazil's BCB gives few clues on the pace of cuts; the terminal Selic rate is 10%-12% under a shallow fiscal adjustment and 7%-9% under a robust one.
  • Mexico's growth is improving, with GDP seen at around 1.4% in 2026 versus 1.0% in 2025, but even an optimistic 2.0% would not close the negative output gap.

Key numbers

Fed policy rate upper bound after September hike
4.00%
Fed rate hike size
25bps
Banxico policy rate expected held
6.50%
Mexico core inflation 3-month annualized
2.5%
Mexico GDP growth forecast 2026
~1.4%

Main risks

  • The Fed could hike another 25bps, but Banxico is still expected to hold at 6.50% unless exchange-rate moves become unhinged.
  • Brazil's fiscal adjustment path is uncertain with the election still 50-50, making the pace and timing of Selic cuts hard to predict.
  • Mexican growth even in an optimistic 2.0% scenario would not close the negative output gap.

Corresponding source evidence

  1. “The plain fact isthat inflation istoo high and has been for too long.” -Fed Chair Kevin Warsh ► In its September meeting, the Federal Open Market Committee (FOMC) increased its policy rate by 25bps to an upper bound of 4.00% in aunanimous decision ,raising rates for the first time since 2023. · 2023
  2. ACROSS THE AMERICAS 2 US Week In Review In its September meeting, the Federal Open Market Committee (FOMC) increased its policy rate by 25bps to an upper bound of 4% inaunanimous decision, raising rates for the first time since 2023. · 2023
  3. We thought this outcome was the path ofleast resistance and though this move will do very little toactually address inflation, itwill buy the FOMC time tosee ifthe higher-than-expected print inAugust was just abump inthe road or something more worrisome.

Context: the conclusion is Tlines' automated extraction, not the institution's wording. Quoted evidence is publisher wording. Scope and date must travel with the conclusion.

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AI analysis

AI-generated from the report above · not a translation and not the institution's wording · verify against the official source

Cross-institution comparison · FED

Institution / reportPublishedDirectionSource-checked targetHorizon
NatixisFed Hiked: One small step?09/18/2026Bullish—Not stated
Westpac / Westpac IQ'Australia and NZ Weekly'10/18/2026Neutral—Not stated
SMBCUS Macroeconomics · Joseph Lavorgna 2026 2027 2026 202710/16/2026Bullish—2027 Q2
SMBCUS Rates Strategy Weekly10/16/2026Strong bullish—December FOMC meeting

How this page was produced

Tlines extracted the conclusion, arguments, numbers and risks above from the report published by Natixis on 09/18/2026, then structured them for comparison. The publisher's own wording is reachable through the source link on this page and is displayed in full above. Last updated 10/17/2026. Methodology · Source policy · AI usage · Request a correction