Largest Positive Opening Gaps for RKLB

How does RKLB usually behave after a large gap-up move?

Using the 12 largest gap-up moves over the last 3 years in RKLB stock, the average move was +8.1% with the single largest opening gap of +15.3% occurring on 22-Dec-2023. The following day, RKLB stock price averaged +3.4% 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 RKLB's 12 largest moves corresponded with a large gap up in the overall market. 4 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 +21.7% on 21-Jan-2025, while the biggest drop from the open to the low was -10.2% on 8-Apr-2025. On average, the RKLB stock price gain from the opening price to the highest point of the day was +6.7%, and the average drop to the lowest point was -5.7%.

Day Drift Open-to-Close

The best performance in RKLB stock price from opening price to closing price (referred to as the "drift" for the day) was on 21-Jan-2025 for a +20.3% gain after the stock gapped up +8.3% at the open. The worst worst return from the opening price to the closing price was on 10-Oct-2025 when the stock lost -9.2% after the stock gapped up +6.5%. Overall in the 12 available observations, the stock drifted higher 50% of the time for an average gain of +1.0%.