NYSE · BIO · stock
Bio-Rad Laboratories, INC. (BIO) stock price history
Every NYSE trading session of Bio-Rad Laboratories, INC. from Feb 27, 1980 to Sep 28, 2026: 11,741 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 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.
BIO adjusted close, 1980 to 2026
- $825.77
- All time high, 2021
- $396.23
- 52 week high, $236.73 low
- 11,741
- Daily sessions since 1980
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1980 to 2026 series and minute bars.
BIO key facts
- Bio-Rad Laboratories, INC. (BIO) closed at $377.69 on Sep 28, 2026 on NYSE.
- BIO's all time high close is $825.77, set on Sep 2, 2021; its all time low close is $0.8704 on Aug 19, 1982.
- BIO's 52 week range is $236.73 to $396.23.
- BIO returned +39.2% over the year to Sep 28, 2026 and -49.8% over five years.
- Over ten years BIO returned +133%, +8.8% a year compounded.
- BIO's deepest drawdown was -76.3% from Jan 23, 1981 to Aug 19, 1982.
- DataCedar holds 11,741 daily sessions of BIO history from Feb 27, 1980 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
BIO price chart, 1980 to 2026
BIO returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -2.6% |
| 3 months | +25.6% |
| 6 months | +42.3% |
| Year to date | +24.0% |
| 1 year | +39.2% |
| 3 years | +6.1% |
| 5 years | -49.8% |
| 10 years | +132.8% |
| Since Feb 27, 1980 | +14,733% |
| Compound annual growth, 46.6 years | +11.3% |
BIO records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $825.77 on Sep 2, 2021
- All time low close
- $0.8704 on Aug 19, 1982
- 52 week high
- $396.23 on Aug 27, 2026
- 52 week low
- $236.73 on May 13, 2026
- Deepest drawdown
- -76.3% from Jan 23, 1981 to Aug 19, 1982, recovered Jun 19, 1985
- Best single session
- +21.1% on Oct 21, 1987
- Worst single session
- -23.5% on Oct 20, 1987
- Volatility, 1 year annualised
- 37.0%
- Sessions closing higher, 1 year
- 49%
- Growth of 1 since 1980
- 148×
- Best calendar year
- 1994, +178%
- Worst calendar year
- 1981, -51%
BIO 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. 1980 starts on Feb 27, 1980; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $303.22 | $396.23 | $236.73 | $377.69 | +24.7% | 58.7M | 185 |
| 2025 | $330.19 | $373.69 | $211.43 | $302.99 | -7.8% | 71.4M | 250 |
| 2024 | $320.73 | $387.99 | $262.12 | $328.51 | +1.7% | 60.2M | 252 |
| 2023 | $427.08 | $509.62 | $261.59 | $322.89 | -23.2% | 53.2M | 250 |
| 2022 | $752.17 | $752.17 | $344.63 | $420.49 | -44.3% | 52.2M | 251 |
| 2021 | $580.99 | $832.70 | $545.00 | $755.57 | +29.6% | 37M | 252 |
| 2020 | $372.08 | $648.39 | $309.38 | $582.94 | +57.5% | 57.2M | 253 |
| 2019 | $229.73 | $376.43 | $223.89 | $370.03 | +59.3% | 55.7M | 252 |
| 2018 | $238.67 | $345.15 | $220.05 | $232.22 | -2.7% | 40.4M | 251 |
| 2017 | $182.96 | $273.87 | $181.87 | $238.67 | +30.9% | 45.4M | 251 |
| 2016 | $136.59 | $184.89 | $122.03 | $182.28 | +31.5% | 33M | 252 |
| 2015 | $121.47 | $152.38 | $112.51 | $138.66 | +15.0% | 34.6M | 252 |
| 2014 | $123.93 | $134.13 | $102.71 | $120.56 | -2.5% | 23M | 252 |
| 2013 | $106.47 | $127.17 | $106.10 | $123.61 | +17.7% | 18.3M | 252 |
| 2012 | $97.99 | $118.00 | $91.52 | $105.05 | +9.4% | 17.2M | 250 |
| 2011 | $104.30 | $126.98 | $84.02 | $96.04 | -7.5% | 19.4M | 252 |
| 2010 | $97.33 | $125.01 | $80.00 | $103.85 | +7.7% | 17.3M | 252 |
| 2009 | $75.60 | $100.99 | $51.33 | $96.46 | +28.1% | 26.1M | 252 |
| 2008 | $103.25 | $109.50 | $60.51 | $75.31 | -27.3% | 30.7M | 253 |
| 2007 | $81.77 | $115.23 | $66.80 | $103.62 | +25.6% | 22.2M | 251 |
| 2006 | $64.70 | $84.34 | $57.10 | $82.52 | +26.1% | 18.8M | 251 |
| 2005 | $58.50 | $66.90 | $46.54 | $65.44 | +14.1% | 18.7M | 252 |
| 2004 | $57.50 | $62.48 | $49.00 | $57.37 | -0.5% | 21.4M | 252 |
| 2003 | $38.45 | $65.00 | $33.20 | $57.67 | +49.0% | 37.1M | 252 |
| 2002 | $31.25 | $51.00 | $27.45 | $38.70 | +22.3% | 29.7M | 252 |
| 2001 | $16.00 | $33.00 | $14.88 | $31.65 | +99.1% | 9.4M | 248 |
| 2000 | $11.69 | $17.00 | $10.50 | $15.90 | +36.0% | 6.5M | 252 |
| 1999 | $10.56 | $14.50 | $9.44 | $11.69 | +11.3% | 4.9M | 252 |
| 1998 | $13.00 | $17.06 | $9.75 | $10.50 | -19.6% | 7.4M | 252 |
| 1997 | $14.94 | $16.75 | $11.69 | $13.06 | -12.9% | 11.3M | 253 |
| 1996 | $14.17 | $18.50 | $12.00 | $15.00 | +5.9% | 12M | 254 |
| 1995 | $9.13 | $14.21 | $8.29 | $14.17 | +53.2% | 11.4M | 252 |
| 1994 | $3.42 | $9.75 | $3.42 | $9.25 | +177.5% | 13.1M | 252 |
| 1993 | $5.75 | $5.96 | $3.33 | $3.33 | -41.6% | 7.3M | 253 |
| 1992 | $6.63 | $7.13 | $5.29 | $5.71 | -13.3% | 4.9M | 254 |
| 1991 | $6.17 | $9.25 | $5.54 | $6.58 | +6.8% | 7.7M | 253 |
| 1990 | $5.33 | $7.71 | $4.17 | $6.17 | +15.6% | 4.7M | 253 |
| 1989 | $5.71 | $6.67 | $4.71 | $5.33 | -5.9% | 5.3M | 252 |
| 1988 | $5.17 | $7.75 | $4.92 | $5.67 | +11.5% | 4.3M | 253 |
| 1987 | $5.83 | $10.96 | $3.50 | $5.08 | -11.6% | 6.2M | 253 |
| 1986 | $5.06 | $7.75 | $4.53 | $5.75 | +13.7% | 5.4M | 253 |
| 1985 | $2.13 | $5.47 | $2.13 | $5.06 | +137.4% | 5.4M | 252 |
| 1984 | $2.50 | $2.52 | $2.07 | $2.13 | -14.8% | 1.7M | 253 |
| 1983 | $1.33 | $2.96 | $1.33 | $2.50 | +87.5% | 5.4M | 253 |
| 1982 | $1.46 | $1.69 | $0.8519 | $1.33 | -7.7% | 5.2M | 253 |
| 1981 | $2.96 | $3.67 | $1.30 | $1.44 | -51.3% | 8M | 253 |
| 1980 | $2.55 | $3.04 | $1.52 | $2.96 | n/a | 10M | 214 |
BIO monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $377.69 | -2.2% |
| August 2026 | $386.12 | +18.6% |
| July 2026 | $325.48 | +10.9% |
| June 2026 | $293.61 | -6.0% |
| May 2026 | $312.48 | +11.6% |
| April 2026 | $280.12 | +0.5% |
| March 2026 | $278.75 | +0.1% |
| February 2026 | $278.44 | -5.2% |
| January 2026 | $293.70 | -3.1% |
| December 2025 | $302.99 | -6.7% |
| November 2025 | $324.86 | +1.7% |
| October 2025 | $319.55 | +14.0% |
About the BIO data
Daily bars. 11,741 sessions from Feb 27, 1980 to Sep 28, 2026, one row per NYSE 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 Jul 13, 2026 forward, most recent session Sep 28, 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 NYSE trading days; minute timestamps are UTC. Prices are in USD. 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 Feb 27, 1980, 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/BIO/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
- BIII Black Spade Acquisition III Co
- BIII.U Black Spade Acquisition III Co Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant
- BIII.W Black Spade Acquisition III Co Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
- BILL BILL Holdings, Inc.
- BIO.B Bio-Rad Laboratories, Inc. Class B Common Stock
- BIP Brookfield Infrastructure Partners L.P.
- BIP$A Brookfield Infrastructure Partners LP 5.125% Class A Preferred Limited Partnership Units, Series 13
- BIP$B Brookfield Infrastructure Partners LP 5.000% Class A Preferred Limited Partnership Units, Series 14
Common questions
BIO share price history
