Telefónica, S.A. (TNE5) stock price history

Telefónica, S.A. (TNE5) closed at its highest ever adjusted price, €8.17, on Mar 6, 2000. Its lowest close was €1.74 on Oct 30, 2020.

-15.5% in price terms from the close ten years before Nov 12, 2026, which is -1.7% a year compounded. Over one year the return is +2.8%; over five years +27.3%.

-78.7% from the Mar 6, 2000 peak to the Oct 30, 2020 trough on adjusted closes; the previous peak has not been regained as of the last stored session.

The daily series starts on Nov 9, 1998 and runs to Nov 12, 2026: 7,079 trading sessions across 28.0 years. Minute bars start on Sep 17, 2026 and are captured forward, never backfilled.

Yes. The page uses the fully adjusted series, in which every past price is scaled for later splits and cash dividends so returns are comparable across the whole history. The API also serves raw prices, split adjusted only and dividend adjusted only.

Register for a free key and call the bars endpoint: it returns date, open, high, low, close and volume as JSON, one year back on the free plan and the full series from Nov 9, 1998 on Quant and above. Minute history comes with the paid plans.

Among complete calendar years, 1999 was the best at +86.3% and 2002 the worst at -43.9%, measured close to close.