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Check out our Dark Pool Levels

BIO
Bio-Rad Laboratories, Inc.Class A
stock NYSE

At Close
Oct 17, 2025 3:59:56 PM EDT
310.04USD-0.714%(-2.23)131,200
0.00Bid   0.00Ask   0.00Spread
Pre-market
0.00USD-100.000%(-312.27)0
After-hours
Oct 17, 2025 4:34:30 PM EDT
313.00USD+0.955%(+2.96)100
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)Short Interest - DailyTrendsNewsMore
for Daily Short Interest
BIO Short Interest (SI) Latest - Official
As of 2025-09-30, there were 833,897 shares short with a short interest of 3.70%.

BIO Short Interest - Official
 

BIO Short Position Change - Official
 
BIO Short Interest - Official chartexchange.com
Historical data is split-adjusted.
1) Data from Finra. Finra publishes an updated file every two weeks.
2) Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.



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