Rows: 146
Columns: 62
$ ref_date <date> 2013-05-02, 2013-06-03, 2013-07-01, 2013-08-01, 2013-09-02,…
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$ MULT3.SA <dbl> -1.7546483, -7.3276623, -2.4975420, -4.8054312, 10.5548756, …
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