Borsa Italiana · 1TTEK · stock
Tetra Tech, Inc. (1TTEK) stock price history
Every Borsa Italiana trading session of Tetra Tech, Inc. from Sep 15, 2025 to Sep 28, 2026: 263 daily bars, adjusted for splits and dividends, with minute bars from Sep 24, 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.
1TTEK adjusted close, 2025 to 2026
- €33.02
- All time high, 2026
- €33.02
- 52 week high, €23.16 low
- 263
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1TTEK key facts
- Tetra Tech, Inc. (1TTEK) closed at €29.99 on Sep 28, 2026 on Borsa Italiana.
- 1TTEK's all time high close is €33.02, set on Feb 12, 2026; its all time low close is €23.16 on May 20, 2026.
- 1TTEK's 52 week range is €23.16 to €33.02.
- 1TTEK returned -3.0% over the year to Sep 28, 2026.
- Since Sep 15, 2025 1TTEK returned -3%, -2.9% a year compounded.
- 1TTEK's deepest drawdown was -29.9% from Feb 27, 2026 to May 20, 2026.
- DataCedar holds 263 daily sessions of 1TTEK history from Sep 15, 2025 and minute bars from Sep 24, 2026, adjusted for splits and dividends, served by the API under a key.
1TTEK price chart, 2025 to 2026
1TTEK returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.1% |
| 3 months | +22.6% |
| 6 months | +16.0% |
| Year to date | -3.8% |
| 1 year | -3.0% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Sep 15, 2025 | -3.0% |
| Compound annual growth, 1.0 years | -2.9% |
1TTEK records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €33.02 on Feb 12, 2026
- All time low close
- €23.16 on May 20, 2026
- 52 week high
- €33.02 on Feb 12, 2026
- 52 week low
- €23.16 on May 20, 2026
- Deepest drawdown
- -29.9% from Feb 27, 2026 to May 20, 2026, not yet recovered
- Best single session
- +16.8% on Aug 25, 2026
- Worst single session
- -16.7% on Mar 23, 2026
- Volatility, 1 year annualised
- 35.6%
- Sessions closing higher, 1 year
- 5%
1TTEK 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. 2025 starts on Sep 15, 2025; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €31.17 | €33.02 | €23.16 | €29.99 | -3.8% | 2K | 189 |
| 2025 | €31.30 | €32.69 | €26.75 | €31.17 | n/a | 928 | 74 |
1TTEK monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €29.99 | -5.1% |
| August 2026 | €31.61 | +17.3% |
| July 2026 | €26.96 | +10.2% |
| June 2026 | €24.46 | +5.6% |
| May 2026 | €23.16 | -12.9% |
| April 2026 | €26.59 | +2.8% |
| March 2026 | €25.86 | -21.7% |
| February 2026 | €33.02 | +5.9% |
| January 2026 | €31.17 | 0.0% |
| December 2025 | €31.17 | +0.2% |
| November 2025 | €31.11 | +10.6% |
| October 2025 | €28.13 | 0.0% |
About the 1TTEK data
Daily bars. 263 sessions from Sep 15, 2025 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 24, 2026 forward, most recent session Sep 24, 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 Sep 15, 2025, 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/1TTEK/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1TTEK share price history
