Largest Negative Opening Gaps for CSGP

How does CSGP usually behave after a large gap-down move?

Using the 12 largest gap-down moves over the last 3 years in CSGP stock, the average move was -2.0% with the single largest opening gap of -3.2% occurring on 10-Apr-2024. Following the opening, CSGP tended to drift lower to the closing price 58% of the time for an average loss of -1.5%. The following day, CSGP stock price averaged +0.5% gains, with up moves more frequent than down moves. The stock was up 67% of the time in that period one day after these significant gaps. Earnings dates have been excluded from this analysis.

Catalysts

4 of CSGP's 12 largest moves corresponded with a large gap down in the overall market. 5 of the moves coincided with a company-issued press release.

Open-to-High and Open-to-Low

The largest percentage gain from the open to the high of the day was +4.1% on 2-Mar-2026, while the biggest drop from the open to the low was -14.2% on 3-Feb-2026. On average, the CSGP stock price gain from the opening price to the highest point of the day was +1.6%, and the average drop to the lowest point was -3.2%.

Day Drift Open-to-Close

The best performance in CSGP stock price from opening price to closing price (referred to as the "drift" for the day) was on 2-Mar-2026 for a +3.6% gain after the stock gapped down -2.4% at the open. The worst worst return from the opening price to the closing price was on 3-Feb-2026 when the stock lost -14.0% after the stock gapped down -1.7%. Overall in the 12 available observations, the stock drifted lower 58% of the time for an average loss of -1.5%.