Makrognosis

Mexico TIIE 28-day Interbank Rate, Monthly average (% p.a.)

MonthlyNot seasonally adjustedCode MX.IR.M.NSA

Latest6.8%October 2026
Previous6.8%September 2026
Year ago7.8%October 2025

Mexico TIIE 28-day Interbank Rate, Monthly average (% p.a.) was 6.8% in October 2026, unchanged from September 2026 and down 1.0 percentage points from a year earlier.

Over the past ten years it has ranged from 4.3% (Mar 2021) to 11.5% (May 2023), averaging 7.9%.

Mexico TIIE 28-day Interbank Rate, Monthly average (% p.a.) (% p.a.), Jan 1996 – Oct 20260%10%20%30%40%200020052010201520202025Robomacro
Mexico TIIE 28-day Interbank Rate, Monthly average (% p.a.) (% p.a.), Jan 1996 – Oct 2026. Source: Banco de Mexico SIE (Sistema de Informacion Economica).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

Recent data

PeriodValue
October 20266.8%
September 20266.8%
August 20266.8%
July 20266.8%
June 20266.7%
May 20266.8%
April 20267.0%
March 20267.2%
February 20267.3%
January 20267.3%
December 20257.5%
November 20257.6%
October 20257.8%
September 20258.0%
August 20258.1%
July 20258.3%
June 20258.7%
May 20259.1%
April 20259.3%
March 20259.7%
February 20259.9%
January 202510.3%
December 202410.4%
November 202410.6%

Last 24 observations. The full history (370 observations) is available through the API.

Get Mexico TIIE 28-day Interbank Rate, Monthly average (% p.a.) in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/MX.IR.M.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/MX.IR.M.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docs

About this series

Latest observationOctober 2026
First observationJanuary 1996
Observations370
FrequencyMonthly
Units% p.a.
AdjustmentNot seasonally adjusted
10-year high11.5% (May 2023)
10-year low4.3% (Mar 2021)
10-year average7.9%
Source agencyBanco de Mexico SIE (Sistema de Informacion Economica)
Makrognosis codeMX.IR.M.NSA

More Mexico IR series

Mexico Overnight Interbank Rate Target (Tasa objetivo), Daily

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FAQ

What is the current tIIE 28-day Interbank Rate, Monthly average (% p.a.) in Mexico?
The latest reading is 6.8% for October 2026, published by Banco de Mexico SIE (Sistema de Informacion Economica).
Where does this data come from?
It is collected directly from Banco de Mexico SIE (Sistema de Informacion Economica) and is available through the Makrognosis API under the code MX.IR.M.NSA.

Last updated 2026-10-31. Source: Banco de Mexico SIE (Sistema de Informacion Economica). Original title: “Mexico TIIE 28-day Interbank Rate, Monthly average (% p.a.)”.