Change in Sensex: Open: -122, High: +81, Low: -437, Close: -353
Reference: Previous close value
None of the three suppositions was triggered.
Reference: Open value
(+110B, +176S), in the new reference, becomes (-12B, +56S). This was triggered and successful. The other two were not triggered.
Intra-day Sensex data courtesy: www.capitalmarket.com