Borsa Italiana · 1TEF · stock

Telefónica, S.A. (1TEF) stock price history

Every Borsa Italiana trading session of Telefónica, S.A. from Jul 24, 2006 to Sep 28, 2026: 5,124 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

1TEF adjusted close, 2006 to 2026

1TEFTelefónica, S.A.
€3.42-14.9% over one year
2010201520202025
€6.56
All time high, 2007
€4.26
52 week high, €3.12 low
5,124
Daily sessions since 2006

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2006 to 2026 series and minute bars.

1TEF key facts

  • Telefónica, S.A. (1TEF) closed at €3.42 on Sep 28, 2026 on Borsa Italiana.
  • 1TEF's all time high close is €6.56, set on Dec 10, 2007; its all time low close is €1.72 on Oct 29, 2020.
  • 1TEF's 52 week range is €3.12 to €4.26.
  • 1TEF returned -14.9% over the year to Sep 28, 2026 and +20.2% over five years.
  • Over ten years 1TEF returned -25%, -2.9% a year compounded.
  • 1TEF's deepest drawdown was -73.9% from Dec 10, 2007 to Oct 29, 2020.
  • DataCedar holds 5,124 daily sessions of 1TEF history from Jul 24, 2006 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

1TEF price chart, 2006 to 2026

1TEF adjusted close, Jul 24, 2006 to Sep 28, 2026€1.84€3.39€4.95€6.512010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

1TEF returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-5.5%
3 months-6.2%
6 months-3.1%
Year to date+1.3%
1 year-14.9%
3 years+10.2%
5 years+20.2%
10 years-25.3%
Since Jul 24, 2006-0.8%
Compound annual growth, 20.2 years-0.0%

1TEF records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
€6.56 on Dec 10, 2007
All time low close
€1.72 on Oct 29, 2020
52 week high
€4.26 on Oct 22, 2025
52 week low
€3.12 on Jan 21, 2026
Deepest drawdown
-73.9% from Dec 10, 2007 to Oct 29, 2020, not yet recovered
Best single session
+36.3% on Nov 5, 2008
Worst single session
-14.1% on Jun 24, 2016
Volatility, 1 year annualised
28.0%
Sessions closing higher, 1 year
46%
Best calendar year
2007, +44%
Worst calendar year
2020, -43%

1TEF price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2006 starts on Jul 24, 2006; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026€3.38€4.16€3.13€3.42+1.3%1.3M189
2025€3.53€4.51€3.17€3.38-3.6%1.9M252
2024€2.96€3.91€2.94€3.51+19.6%1.4M253
2023€2.65€3.27€2.64€2.93+11.9%2.7M254
2022€2.74€3.64€2.39€2.62-4.6%2.6M256
2021€2.15€2.96€2.14€2.75+27.8%4.1M256
2020€3.81€3.93€1.69€2.15-43.0%3.7M255
2019€4.15€4.43€3.45€3.77-9.1%1.1M252
2018€4.43€4.58€3.62€4.15-4.3%689.9K252
2017€4.53€5.50€4.33€4.33-3.0%1.1M254
2016€4.70€4.82€3.72€4.47-9.5%718.4K256
2015€5.30€6.51€4.71€4.93-7.7%316.2K255
2014€4.95€5.96€4.51€5.35+8.7%546.3K252
2013€4.33€5.34€3.85€4.92+20.3%318K252
2012€5.00€5.33€3.30€4.09-18.4%448.7K253
2011€5.81€6.50€4.49€5.01-13.9%1.1M256
2010€6.31€6.66€4.78€5.81-7.1%665.4K256
2009€4.48€6.50€3.84€6.25+41.4%389.8K254
2008€6.31€6.46€3.24€4.42-29.8%523.7K253
2007€4.47€6.63€4.02€6.30+43.7%1.5M252
2006€3.45€4.55€3.43€4.38n/a531.6K112

1TEF monthly closes, last 12 months

MonthMonth end closeChange
September 2026€3.42-6.8%
August 2026€3.67+2.4%
July 2026€3.59+1.7%
June 2026€3.53-7.0%
May 2026€3.79+1.9%
April 2026€3.72+2.1%
March 2026€3.65-1.1%
February 2026€3.69+12.6%
January 2026€3.28-3.1%
December 2025€3.38-2.0%
November 2025€3.45-14.9%
October 2025€4.05+0.0%

About the 1TEF data

Daily bars. 5,124 sessions from Jul 24, 2006 to Sep 28, 2026, one row per Borsa Italiana trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jul 24, 2006, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/1TEF/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

1TEF share price history

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