BYMA (Buenos Aires) trading hours and market holidays

BYMA (Buenos Aires) trades Monday to Friday from 11:00 AM to 5:00 PM Buenos Aires time. Closed now. Today’s session has ended. Opens Wednesday 11:00 AM. Below you will find the complete session schedule, the holidays for 2026 and 2027, special sessions and the same hours converted to other cities.

Closed now

Today’s session has ended. Opens Wednesday 11:00 AM.

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Session

Session	Time
Regular session	11:00 AM – 5:00 PM
Trading days	Monday to Friday
Time zone	America/Argentina/Buenos_Aires

The hours shown are the regular trading sessions in the exchange’s local time. Daylight saving time moves the local hours against other cities twice a year, which is why the conversion table is calculated for today’s date.

On a holiday listed below the exchange is closed all day. On an early close it stops trading at the time shown. A day that is not listed and falls from Monday to Friday is a normal trading day.

Special sessions

Trading on days that are normally closed, or sessions outside the regular hours.

Date	Session	Time
Friday, November 6, 2026	Dia del Bancario trading open, no settlement	–
Wednesday, November 11, 2026	US Veterans Day trading open, no USD cable settlement	–
Thursday, November 26, 2026	US Thanksgiving trading open, no USD cable settlement	–
Monday, December 7, 2026	Non-working day for tourism trading open, no settlement	–

Market holidays 2026 and 2027

Days the exchange is closed or closes early, from today onward.

2026

Date	Holiday	Status
Monday, November 9, 2026	Papal visit (Decreto 1103/26)	Closed all day
Tuesday, November 10, 2026	Papal visit (Decreto 1103/26)	Closed all day
Monday, November 23, 2026	National Sovereignty Day (moved)	Closed all day
Tuesday, December 8, 2026	Immaculate Conception	Closed all day
Thursday, December 24, 2026	Christmas Eve	Closes early at 3:00 PM
Friday, December 25, 2026	Christmas Day	Closed all day
Thursday, December 31, 2026	New Year’s Eve	Closed all day

2027

The exchange has not published its 2027 calendar yet.

Opening hours in other cities

Regular session converted for today’s date. Daylight saving time shifts these hours for a few weeks a year.

Time zone	Time
Buenos Aires	11:00 AM – 5:00 PM
New York	10:00 AM – 4:00 PM
Mexico City	8:00 AM – 2:00 PM
Madrid	3:00 PM – 9:00 PM
London	2:00 PM – 8:00 PM
Hong Kong	10:00 PM – 4:00 AM

Stocks on this exchange

Largest companies listed here, with the ATLAS fair value and probability range on each page.

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Frequently asked questions

What are the BYMA (Buenos Aires) trading hours?

Monday to Friday: 11:00 AM – 5:00 PM (America/Argentina/Buenos_Aires).

Is BYMA (Buenos Aires) open today?

Closed now. Today’s session has ended. Opens Wednesday 11:00 AM.

What are the next market holidays of BYMA (Buenos Aires)?

Monday, November 9, 2026: Papal visit (Decreto 1103/26); Tuesday, November 10, 2026: Papal visit (Decreto 1103/26); Monday, November 23, 2026: National Sovereignty Day (moved); Tuesday, December 8, 2026: Immaculate Conception

What time does BYMA (Buenos Aires) open in other time zones?

New York 10:00 AM – 4:00 PM, Mexico City 8:00 AM – 2:00 PM, Madrid 3:00 PM – 9:00 PM, London 2:00 PM – 8:00 PM, and Hong Kong 10:00 PM – 4:00 AM.

Sources

https://www.byma.com.ar/mercado/calendario-bursatil
https://cdn.prod.website-files.com/6697a441a50c6b926e1972e0/6ac4f9ae3586c3d1c5453462_BYMA-Calendario_bursatil_2026-vOCT_6.pdf
https://cdn.prod.website-files.com/6697a441a50c6b926e1972e0/6ab2dda27ea9e2c80e659a15_BYMA-COM19024-Horarios_de_Negociacion_Liquidacion_Recepcion-v2.pdf

Lists checked Oct 25

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