.15 a.m.–9.25 a.m. - Find Stocks that Have opened with a GAP up or Down of more than 2%. Out of 200 F&O stocks, you have cut down your selection criteria to 3–4 stock. There is some news in this stock, or some large investor wants to buy large quantities in this stock and hence the GAP.
9.25 a.m–9.30 a.m. - There will be 3 data points available 1) Volume. 2) High. 3) Low. Volume has to be higher than previous days volume in 10–15 mins. Now keep a buying Stop Loss above the days High. Example, yesterday stock A closed at 100, today it opened at 103 and in the first 10 mins made a low at 102.55 and High of 103.5. As soon as it crosses its 15 minute high of 103.5 buy it.
9.30 am–3.30 pm - Once the Buy order is triggered, Keep days low or weighted average price (available on all trading software like zerodha, Sharekhan etc. for free) as your Stop Loss. Keep Riding the stock until its 3.15 or Your trailing stop loss is triggered or You get your desired profit for the day.