This is called as opening range strategy taught for lakhs. Observe the high and low of the first 15 minutes candles. Buy the at the BO of that candle or sell at the breakdown with trailing SL using 5 period MA. Switch over to a 5min chart once bought.
Tata Elxsi

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Reminded me of my Borosil renewables chart of last year in July.
AWL - look at the ranges of contraction on the chart https://t.co/2XMhqZQu8X
AWL - look at the ranges of contraction on the chart https://t.co/2XMhqZQu8X

Borosil Renewables - Patterns like these must be looked at carefully and must be kept on the radar. Herein price is contracting which generally signifies shifting of hands (from weak to strong). If you go wrong, the risk is limited in these. pic.twitter.com/iqyoeslZjy
— The_Chartist \U0001f4c8 (@charts_zone) July 12, 2021
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Tata Elxsi - DTB active after close above 4527.75 https://t.co/rO4f8hkPFF

Tata Elxsi - Daily I track this chart and waiting for a big kill in this. You have to act like a cheetah sometimes waiting for the weakest hit.
— The_Chartist \U0001f4c8 (@nison_steve) August 10, 2021
There are times when you must sit patiently to catch your prey. pic.twitter.com/CRoBHIetHE