diff --git a/dabo/functions/get_vars_from_csv.sh b/dabo/functions/get_vars_from_csv.sh
index c89d3af..8feec90 100644
--- a/dabo/functions/get_vars_from_csv.sh
+++ b/dabo/functions/get_vars_from_csv.sh
@@ -27,11 +27,11 @@ function get_vars_from_csv {
   fi
 
   # create array of last line fields
-  f_last_line="${f_last_lines_array[3]},${f_market_performance}"
+  f_last_line="${f_last_lines_array[$((${#f_last_lines_array[@]}-1))]},${f_market_performance}"
   readarray -d "," -t f_last_line_array < <(echo "0,${f_last_line}")
-  readarray -d "," -t f_2_last_line_array < <(echo "0,${f_last_lines_array[2]}")
-  readarray -d "," -t f_3_last_line_array < <(echo "0,${f_last_lines_array[1]}")
-  readarray -d "," -t f_4_last_line_array < <(echo "0,${f_last_lines_array[0]}")
+  readarray -d "," -t f_2_last_line_array < <(echo "0,${f_last_lines_array[$((${#f_last_lines_array[@]}-2))]}")
+  readarray -d "," -t f_3_last_line_array < <(echo "0,${f_last_lines_array[$((${#f_last_lines_array[@]}-3))]}")
+  readarray -d "," -t f_4_last_line_array < <(echo "0,${f_last_lines_array[$((${#f_last_lines_array[@]}-4))]}")
 
   # bash-only basename
   f_asset="${f_ASSET_HIST_FILE##*/}"