What happens after… a gap up, an NR7, a 52-week high?
Every common chart event across 1,422 NSE stocks over two years, and what followed over the next 1, 5 and 20 sessions, against an ordinary day. Pick an event. One caution: the study uses stocks that are actively traded today, and stocks that did well are more likely to be among them, which flatters past results.
After a stock opened at least 2% above the previous close
9,427 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “Gap up 2%+” on 19 Oct 2026
After a stock opened at least 2% below the previous close
5,743 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
After a stock closed above its highest close of the past year
7,437 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
After a stock closed below its lowest close of the past year
9,681 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “New 52-week low” on 19 Oct 2026
After a stock had its narrowest high-low range of the last 7 sessions
40,419 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “NR7” on 19 Oct 2026
After a stock traded entirely inside the previous day’s range
42,127 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “Inside bar” on 19 Oct 2026
After a stock had delivered shares 3× normal with a normal-or-higher delivery %
15,741 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “Big-buyer day” on 19 Oct 2026
After a stock traded 3× its 20-day average volume and closed higher
9,138 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “Volume 3× on an up day” on 19 Oct 2026
After a stock closed at least 5% higher
9,261 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
After a stock closed at least 5% lower
4,791 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “Down 5%+ in a day” on 19 Oct 2026
After a stock closed lower three sessions in a row
37,341 cases over the last two years across 1,422 stocks, against an ordinary day.
Spread of 20-session returns
Bars: after the event. White ticks: any day. Wider bars on both sides mean bigger moves either way.
Stocks with “3 down days in a row” on 19 Oct 2026
Questions
What happens after a stock gaps up?
Do 52-week highs keep going up?
Is this a trading strategy?
Related tools
Market, sectors and every stock’s own page.
From NSE’s daily files, adjusted for splits and bonuses. Past patterns are not a forecast. Information, not investment advice; ChartMine is not a SEBI-registered adviser.