Here the super strong trend line may be seen in all its majesty.
You can see buyers and sellers are fiercely battling over Big Round Number 800 ISK. They formed a tight range market I marked with a yellow rectangle. Whoever will win the 800 price level level fight will drag price outside that zone (look at it as it was a gigantic tug of war, where price is the ribbon tied to the rope, buyers and sellers are trying to pull the rope till price leaves a rectangle drawn on the floor. That rectangle is the yellow one I have drawn.