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EFXhistorical intraday data

ListedEquifax, IncorporatedNYSE

Equifax, Incorporated (EFX) is a common stock listed on NYSE. The archive holds 5,828 trading days of EFX, from September 10, 2003 to November 9, 2026, with 57,934,732 trades. There are 2,021,818 1-minute bars on file.

On file

First day
2003-09-10
Last day
2026-11-09
Trading days
5,828
Trades
57,934,732
1-minute bars
2,021,818
Bars, about
30 MB
Trades, about
800 MB
Quotes, about
1 GB

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

Trading history

Trades per calendar year. Busiest year: 2026, with 7,520,491 trades over 214 trading days.

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

Sample rows

EFX1-minute bars, 2026-11-09, Eastern Time
EFX 1-minute bars. Time is Eastern Time, prices are in USD.
Time (ET)OpenHighLowCloseVolumeTrades
09:30191.1191.1188.46190.40533,399.501445125
09:31190.4190.4188.96189.6799624
09:32189.67189.67189.67189.67714.4089111
09:33190.1048190.675189.67190.675625.44614
09:34188.4227190.805188.4227190.8052,256.35913621

EFX by year

YearTrading days on fileTrades
20037975,477
2004252234,613
2005252407,984
2006251563,928
20072511,167,054
20082531,496,162
20092522,100,478
20102521,355,894
20112521,373,448
20122501,345,765
20132521,166,926
20142521,250,172
20152521,444,693
20162521,942,536
20172513,055,710
20182512,460,310
20192522,314,451
20202533,247,897
20212523,021,254
20222514,768,737
20232504,343,350
20242524,782,014
20252506,495,388
20262147,520,491