Opening soon.Get an email at launch

QLYShistorical intraday data

ListedQualys, Inc. Common StockNasdaq

Qualys, Inc. Common Stock (QLYS) is a common stock listed on Nasdaq. QLYS has 3,547 trading days on file, from September 28, 2012 to November 9, 2026, with 23,561,934 trades. There are 876,387 1-minute bars on file.

On file

First day
2012-09-28
Last day
2026-11-09
Trading days
3,547
Trades
23,561,934
1-minute bars
876,387
Bars, about
13 MB
Trades, about
325 MB
Quotes, about
445 MB

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

Trading history

Trades per calendar year. Busiest year: 2026, with 3,735,946 trades over 214 trading days.

Symbols get reused, so the history under QLYS is not always one company.

Sample rows

QLYS1-minute bars, 2026-11-09, Eastern Time
QLYS 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
09:30191.61192.055190.76190.769,453.26851795
09:31190.71191.74190.7191.732,130.14539747
09:32191.77193.05191.65193.0555112
09:33192.79192.79192.79192.7969620
09:34192.5192.5192.5192.5193.818910

QLYS by year

YearTrading days on fileTrades
20126375,076
2013252171,270
2014252482,651
20152521,063,955
2016252827,145
2017251633,128
2018251911,991
20192521,167,758
20202531,996,330
20212521,979,365
20222512,595,939
20232502,291,191
20242522,932,889
20252502,697,300
20262143,735,946