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Biggest moves on record

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

  1. 1+7.5%31 Mar 2026Very High
  2. 2+5.9%19 Aug 2026Low
  3. 3−4.4%2 Jun 2026Very High
  4. 4−4.1%23 Sep 2026High
  5. 5+4.0%6 Feb 2026Low

Every day, by size of move

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

  • Max41.5%
  • Very High31.1%
  • High114.2%
  • Moderate124.5%
  • Low8532.1%
  • Very Low15056.6%

Biggest moves on record

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

  1. 1+14.0%Week of20 Jun 2022Low
  2. 2+13.8%Week of1 Aug 2022Low
  3. 3−12.7%Week of31 Mar 2025Low
  4. 4−11.9%Week of11 Nov 2024Low
  5. 5+11.4%Week of30 Oct 2023Low

Every week, by size of move

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

  • Max10.3%
  • Very High00.0%
  • High00.0%
  • Moderate10.3%
  • Low4916.2%
  • Very Low25183.1%

Biggest moves on record

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

  1. 1−28.0%Jan 2016Max
  2. 2+20.6%Apr 2020Low
  3. 3+20.1%Jul 2008Max
  4. 4+18.2%Dec 2023Low
  5. 5+18.1%Nov 2020Low

Every month, by size of move

237 months, 2007–2026. One square is one month.

  • Max52.1%
  • Very High41.7%
  • High41.7%
  • Moderate156.3%
  • Low9540.1%
  • Very Low11448.1%

Monthly performance

Over the past 21 years, XBI rose most often in November (14 of 20) and fell most often in September (14 of 21).

Compared with its neighbours

On a normal day, XBI moves about 1.1% up or down. That is livelier than 7 in 10 funds we follow.

Fund type · Sector & theme

XLKTechnology Select Sector SPDR FundVGTVanguard Information Technology ETFSMHVanEck Semiconductor ETFXLFFinancial Select Sector SPDR FundXLVHealth Care Select Sector SPDR FundXLEEnergy Select Sector SPDR FundXLIIndustrial Select Sector SPDR FundXLUUtilities Select Sector SPDR Fund

and 13 more

In the news

Recent headlines about SPDR S&P Biotech ETF, from the outlets that wrote them.

  1. 0124/7 Wall St.1 day agoRegeneron Surges 13.55%: Here’s What It Means for Your Health Care ETFs
  2. 02Stocktwits2 days agoSLS, IOVA, IBRX Slump In October As Biotech Stocks Hold Steady: Virginia Pension Fund Raised Stakes In All 3
  3. 03Yahoo Finance2 days agoShould You Invest in the iShares Biotechnology ETF (IBB)?
  4. 04TradingView3 days agoETFs That You May Consider Amid a Strengthening Biotech Outlook
  5. 05Moomoo5 days agoThe Size of the Benefit Is Finally Public. For Small Cell Lung Cancer, It’s Big, and So Is the Bill.
  6. 06BioSpace5 days agoBiotech IPOs raise $7.5B as sector’s performance rally flattens