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Biggest moves on record

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

  1. 1+9.6%18 Nov 2025High
  2. 2−6.3%5 Mar 2026Moderate
  3. 3+5.4%2 Jul 2026Max
  4. 4+5.2%4 Jun 2026Low
  5. 5+4.8%29 Jan 2026Low

Every day, by size of move

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

  • Max41.5%
  • Very High00.0%
  • High31.1%
  • Moderate41.5%
  • Low5420.6%
  • Very Low19775.2%

Biggest moves on record

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

  1. 1+14.4%Week of29 Sep 2025High
  2. 2−10.2%Week of31 Mar 2025Max
  3. 3+10.0%Week of15 Jul 2024High
  4. 4−9.5%Week of9 May 2022Max
  5. 5+9.0%Week of17 Nov 2025Low

Every week, by size of move

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

  • Max20.7%
  • Very High10.3%
  • High51.7%
  • Moderate175.7%
  • Low10033.6%
  • Very Low17358.1%

Biggest moves on record

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

  1. 1+27.5%Mar 2009Max
  2. 2−20.1%Feb 2009High
  3. 3+18.4%Nov 2025High
  4. 4+16.8%Jul 2024Moderate
  5. 5+15.3%Jul 2009Moderate

Every month, by size of move

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

  • Max31.2%
  • Very High00.0%
  • High41.6%
  • Moderate83.2%
  • Low6827.3%
  • Very Low16666.7%

Monthly performance

Over the past 22 years, RHHBY rose most often in March (18 of 22) and fell most often in June (11 of 22).

Compared with its neighbours

On a normal day, RHHBY moves about 1.0% up or down. That is calmer than 7 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

Region · Europe

NVSNovartis AGNVONovo Nordisk A/SSNYSanofiSANBanco SantanderNOKNokia OyjMTArcelorMittal S.A.NBISNebius Group N.V.SAAB-B.STSaab AB

and 14 more

Region · Switzerland

SCI25Swiss Market Index (SMI)NVSNovartis AGNSRGYNestlé S.A. (ADR)