Borsa Italiana · 1TTEK · stock
Tetra Tech, Inc. (1TTEK) stock price history
Every Borsa Italiana trading session of Tetra Tech, Inc. from Sep 16, 2025 to Nov 12, 2026: 274 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
- €35.89
- All time high, 2026
- €35.89
- 52 week high, €23.16 low
- 274
- Daily sessions since 2025
Last updated Nov 12, 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 €35.63 on Nov 12, 2026 on Borsa Italiana.
- 1TTEK's all time high close is €35.89, set on Nov 5, 2026; its all time low close is €23.16 on May 21, 2026.
- 1TTEK's 52 week range is €23.16 to €35.89.
- 1TTEK returned +26.6% over the year to Nov 12, 2026.
- Since Sep 16, 2025 1TTEK returned +15%, +13.1% a year compounded.
- 1TTEK's deepest drawdown was -29.9% from Feb 27, 2026 to May 21, 2026.
- DataCedar holds 274 daily sessions of 1TTEK history from Sep 16, 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 Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +24.0% |
| 3 months | +32.2% |
| 6 months | +34.0% |
| Year to date | +14.3% |
| 1 year | +26.6% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Sep 16, 2025 | +15.3% |
| Compound annual growth, 1.2 years | +13.1% |
1TTEK records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €35.89 on Nov 5, 2026
- All time low close
- €23.16 on May 21, 2026
- 52 week high
- €35.89 on Nov 5, 2026
- 52 week low
- €23.16 on May 21, 2026
- Deepest drawdown
- -29.9% from Feb 27, 2026 to May 21, 2026, recovered Nov 5, 2026
- Best single session
- +24.9% on Nov 5, 2026
- Worst single session
- -16.7% on Mar 24, 2026
- Volatility, 1 year annualised
- 40.5%
- 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 16, 2025; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €31.17 | €35.89 | €23.16 | €35.63 | +14.3% | 149 | 203 |
| 2025 | €30.91 | €32.69 | €28.13 | €31.17 | n/a | 8 | 71 |
1TTEK monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | €35.63 | +24.0% |
| October 2026 | €28.73 | -4.2% |
| 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% |
About the 1TTEK data
Daily bars. 274 sessions from Sep 16, 2025 to Nov 12, 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 Oct 2, 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 16, 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/borsa-italiana%3A1TTEK/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
