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Biggest moves on record

Every trading day we hold, as a bar. The five biggest are marked.

  1. 1−13.9%9 Feb 2026Max
  2. 2+13.5%5 May 2026Max
  3. 3+7.2%28 May 2026Low
  4. 4−6.9%23 Apr 2026Low
  5. 5+6.3%4 Nov 2025Low

Every day, by size of move

265 trading days, 2025–2026. One square is one day.

  • Max20.8%
  • Very High00.0%
  • High20.8%
  • Moderate41.5%
  • Low4818.1%
  • Very Low20978.9%

Biggest moves on record

Every week we hold, as a bar. The five biggest are marked.

  1. 1+19.3%Week of28 Oct 2024Max
  2. 2−18.5%Week of14 Jul 2025Very High
  3. 3+15.6%Week of4 May 2026High
  4. 4−15.2%Week of9 Feb 2026High
  5. 5+12.6%Week of29 Sep 2025Moderate

Every week, by size of move

302 weeks, 2021–2026. One square is one week.

  • Max31.0%
  • Very High31.0%
  • High41.3%
  • Moderate51.7%
  • Low9230.5%
  • Very Low19564.6%

Biggest moves on record

Every month we hold, as a bar. The five biggest are marked.

  1. 1−27.5%Jan 2008Max
  2. 2−24.7%Oct 2008Very High
  3. 3+24.0%May 2026Low
  4. 4+22.6%Jan 2019Moderate
  5. 5+19.5%Apr 2009Moderate

Every month, by size of move

252 months, 2005–2026. One square is one month.

  • Max10.4%
  • Very High41.6%
  • High41.6%
  • Moderate72.8%
  • Low6726.6%
  • Very Low16967.1%

Monthly performance

Over the past 22 years, WAT rose most often in November (16 of 21) and fell most often in September (11 of 22).

Coming up

Dates that often move Waters Corp., over the next 30 days. Days are in UTC, the world's standard clock.

  • Tue 3 Novin 3 days Waters Corp. resultsThe company reports its profits before the market opens.

How it reacted to its last results

ReportedResultOn the day
4 Aug 2026 Beat$3.05 vs $3.01 expected +5.7%
5 May 2026 Beat$2.70 vs $2.31 expected +13.5%
9 Feb 2026 Beat$4.53 vs $4.51 expected −13.9%
4 Nov 2025 Beat$3.40 vs $3.22 expected +6.3%

Beat or missed means profit per share came in above or below what experts expected. The price move is for the first trading day the results could move.

Compared with its neighbours

On a normal day, WAT moves about 1.1% up or down. That is calmer than 6 in 10 shares we follow.

Industry · Health Care

LLYEli Lilly and Co.UNHUnitedHealth GroupJNJJohnson & JohnsonABBVAbbVie Inc.MRKMerck & Co.NVSNovartis AGAZNAstraZeneca plcNVONovo Nordisk A/S

and 47 more

In the news

Recent headlines about Waters Corp., from the outlets that wrote them.

  1. 01Simply Wall St5 hours agoWaters (WAT) Stock Could Be 32% Overvalued After AI Software Launch
  2. 02Yahoo Finance UK2 days agoWaters Corporation (WAT) stock price, news, quote and history
  3. 03Yahoo Finance3 days agoWaters Gears Up to Report Q3 Results: How to Play the Stock?
  4. 04Offshore Engineer Magazine3 days agoDamaged Tanker Leaks Oil Across UAE Waters as Spill Widens
  5. 05MarketWatch4 days agoWaters Corp. stock outperforms competitors on strong trading day