Largest Negative Opening Gaps for HTOO

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

Using the 12 largest gap-down moves over the last 3 years in HTOO stock, the average move was -12.8% with the single largest opening gap of -40.0% occurring on 14-Jul-2025. The following day, HTOO stock price averaged +9.7% gains, with up moves more frequent than down moves. The stock was up 58% of the time in that period one day after these significant gaps. Earnings dates have been excluded from this analysis.

Catalysts

1 of HTOO's 12 largest moves corresponded with a large gap down in the overall market. 9 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 +31.8% on 14-Jul-2025, while the biggest drop from the open to the low was -41.2% on 13-Nov-2024. On average, the HTOO stock price gain from the opening price to the highest point of the day was +10.1%, and the average drop to the lowest point was -8.8%.

Day Drift Open-to-Close

The best performance in HTOO stock price from opening price to closing price (referred to as the "drift" for the day) was on 14-Jul-2025 for a +16.1% gain after the stock gapped down -40.0% at the open. The worst worst return from the opening price to the closing price was on 13-Nov-2024 when the stock lost -30.7% after the stock gapped down -10.5%. Overall in the 12 available observations, the stock drifted higher 58% of the time for an average return of -1.4%.