Borsa Italiana · TNX · stock
Tenax International S.p.A. (TNX) stock price history
Every Borsa Italiana trading session of Tenax International S.p.A. from Dec 18, 2020 to Sep 28, 2026: 1,467 daily bars, adjusted for splits and dividends, with minute bars from Sep 18, 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.
TNX adjusted close, 2020 to 2026
- €3.98
- All time high, 2020
- €2.14
- 52 week high, €0.7000 low
- 1,467
- Daily sessions since 2020
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.
TNX key facts
- Tenax International S.p.A. (TNX) closed at €0.7000 on Sep 28, 2026 on Borsa Italiana.
- TNX's all time high close is €3.98, set on Dec 23, 2020; its all time low close is €0.7000 on Sep 28, 2026.
- TNX's 52 week range is €0.7000 to €2.14.
- TNX returned -66.7% over the year to Sep 28, 2026 and -79.4% over five years.
- Since Dec 18, 2020 TNX returned -71%, -19.2% a year compounded.
- TNX's deepest drawdown was -82.4% from Dec 23, 2020 to Sep 28, 2026.
- DataCedar holds 1,467 daily sessions of TNX history from Dec 18, 2020 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.
TNX price chart, 2020 to 2026
TNX returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -14.1% |
| 3 months | -39.1% |
| 6 months | -41.2% |
| Year to date | -54.5% |
| 1 year | -66.7% |
| 3 years | -78.4% |
| 5 years | -79.4% |
| 10 years | n/a |
| Since Dec 18, 2020 | -70.7% |
| Compound annual growth, 5.8 years | -19.2% |
TNX records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €3.98 on Dec 23, 2020
- All time low close
- €0.7000 on Sep 28, 2026
- 52 week high
- €2.14 on Sep 30, 2025
- 52 week low
- €0.7000 on Sep 28, 2026
- Deepest drawdown
- -82.4% from Dec 23, 2020 to Sep 28, 2026, not yet recovered
- Best single session
- +26.3% on Dec 23, 2020
- Worst single session
- -11.2% on Oct 1, 2025
- Volatility, 1 year annualised
- 49.5%
- Sessions closing higher, 1 year
- 20%
- Best calendar year
- 2022, +1%
- Worst calendar year
- 2025, -34%
TNX 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. 2020 starts on Dec 18, 2020; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €1.53 | €1.74 | €0.7000 | €0.7000 | -54.5% | 940.1K | 189 |
| 2025 | €2.28 | €2.40 | €1.23 | €1.54 | -34.2% | 1.7M | 252 |
| 2024 | €2.70 | €3.10 | €2.22 | €2.34 | -12.0% | 893.2K | 253 |
| 2023 | €3.32 | €3.50 | €2.52 | €2.66 | -19.1% | 709.1K | 254 |
| 2022 | €3.20 | €3.46 | €2.82 | €3.29 | +1.2% | 995.4K | 256 |
| 2021 | €3.34 | €3.65 | €2.97 | €3.25 | -2.7% | 3.6M | 256 |
| 2020 | €2.40 | €4.04 | €2.23 | €3.34 | n/a | 1.3M | 7 |
TNX monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €0.7000 | -14.6% |
| August 2026 | €0.8200 | -1.2% |
| July 2026 | €0.8300 | -27.8% |
| June 2026 | €1.15 | -7.3% |
| May 2026 | €1.24 | +3.3% |
| April 2026 | €1.20 | +0.8% |
| March 2026 | €1.19 | -4.8% |
| February 2026 | €1.25 | -18.3% |
| January 2026 | €1.53 | -0.6% |
| December 2025 | €1.54 | +25.2% |
| November 2025 | €1.23 | -30.1% |
| October 2025 | €1.76 | -17.8% |
About the TNX data
Daily bars. 1,467 sessions from Dec 18, 2020 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 18, 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 Dec 18, 2020, 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/TNX/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
Browse Borsa Italiana
Common questions
TNX share price history
