This Analysis show that there is a gap between TESCO or Morrisons and M&S os Sainsbury it means that:
M&S os Sainsbury should be a long position and TESCO or Morrisons should be a short position to close the gap.
Further analysis would be required on each Market to define the investment
After being denied a chance to merge with Asda, shares of Sainbury's suffered another hit and tested the all time lows from June 2016. Now a perfect chance to get in with buyers or see if the level breaks in an impulsive move and sell.
The daily, weekly and monthly chart do not show any clear trend. Hence, we swtiched quarterly chart, which shows multiple 3-month candles with long tails.
Since October 2013, sellers have repeatedly run out of steam in the range of 210-230. The MACD also shows the loss of bearish momentum.
If charts are anything to go by... this could be the ideal time to enter...