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BIShistorical intraday data

ListedProShares UltraShort NASDAQ BiotechnologyNasdaq

ProShares UltraShort NASDAQ Biotechnology (BIS) is an exchange-traded fund listed on Nasdaq. BIS has 4,303 trading days on file, from September 24, 2004 to November 9, 2026, with 2,280,425 trades. There are 325,649 1-minute bars on file.

On file

First day
2004-09-24
Last day
2026-11-09
Trading days
4,303
Trades
2,280,425
1-minute bars
325,649
Bars, about
5 MB
Trades, about
31 MB
Quotes, about
953 MB

Sizes are approximate: this ticker’s share of the Parquet files.

Trading history

Trades per calendar year. Busiest year: 2015, with 678,262 trades over 252 trading days. No data for 2006–2009.

No BIS data for 2006 to 2009. A gap usually means the symbol belonged to a different company before and after it. The name above is the latest on record.

Sample rows

BIS1-minute bars, 2026-11-09, Eastern Time
BIS 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
09:3010.3910.5410.260110.541,22714
09:3510.5210.5210.5210.521335
09:4510.5710.5810.5610.563,20026
09:5210.4510.4510.4510.451,00011
10:0010.369910.3710.34510.35055,74441

BIS by year

YearTrading days on fileTrades
200452179
20051791,081
20101491,527
20112021,538
20122435,023
20132469,623
2014252289,416
2015252678,262
2016252601,296
201725195,505
201825170,065
2019252102,656
2020253225,682
202125266,936
202225134,491
202325014,984
202425223,027
202525029,965
202621429,169