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Table 7 Sentiment Analysis results for the ‘tesco’ and $TSCO dataset

From: Twitter permeability to financial events: an experiment towards a model for sensing irregularities

  Pre-announcement (25-27 Jan 06:59 am) Announcement (27 07:00am-29 Jan)
  TUESDAY-WEDNESDAY-THURSDAY FRIDAY-SATURDAY-SUNDAY
  ‘tesco’ $TSCO ‘tesco’ $TSCO
  Tweets % Tweets % Tweets % Tweets %
Positive 181 55.20% 1 12.50% 599 24.60% 30 33.00%
Neutral 90 27.40% 7 87.50% 1636 67.10% 43 47.30%
Negative 57 17.40% 0 0.00% 202 8.30% 18 19.80%
Total 328   8   2437   91