There was a "spark" last night, followed by "FIRE". When you spot an end of a wave in the daily time frame(3rd), you must reverse your position. I did not though I saw this correction coming, prejudiced in my little brain it would be a shallow one. Those who play by the Tech. table, even if they were whipsawed twice, would end being a big gainer.
TA inventors of RSI, ROC, MACD, EW's Ralph.N.Elliott, Fundamental analysts like Peter Lynch, Benjamin Graham, Warren buffett, Fibonacci mathematician and many have spent their entire life to create some outstanding studies for the coming generations to benefit from.
Many sensible people are following their studies, improvising them to the changing environment and benefiting from it all silently.
"Criticising" is the easiest thing to do. Businessmen(including traders/investors) who are interested in the "serious money making endeavour" will either use whatever is working and discard whatever isn't working.
If the "excel sheet" is a failure to you...EW has failed you...TA has let you down, start introspecting for your own sake, not for the excel sheet, EW, TA as they don't need you. If you are a wise person, you will seek good counsel.
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I have presented this chart. make your plan and if it does not look promising, wait for a better one. Do not chase prices. Get your levels which will have your Sl quite close by. This chart is yet to make a negative divergence which will happen only with a new high.

It is my mistake, I had to change my original plan. As "Yoda" put it simply, sell below 5-ema close & buy above 5-ema close would fetch you big returns.
Today's rally could be "iv"th of the "c" wave of the 4th and another move down too is possible. So the strategy is buy closer to 5165-5200(+/-15)