If we have seen the top of the a-leg today at 2115.4 - the above chart is in spe as outcome.
Within the Elliott Wave Ending Diagonal understanding - we should only expect A-B-C moves. The b-leg is being carved out now and should not take out 2100. That will equal a 23.6 retrace of the a-leg
That will within harmonic trading give us a ABCD pattern with an ending target zone at 2148.2.