Just filled a gap (5%+ closed in the last week) (UK)
A technical stock screen computed nightly from daily-close price history (market data). Selection is deterministic — a company appears only when its stored indicator meets the screen's rule; nothing is estimated.
6 companies in the catalog currently match this technical screen. Leading the list, Keller Group (KLR.L) is filled a 12.1% gap up 1 session ago (2026-08-04) — price traded back through the level the gap left behind, the same session it opened.
| # | Company | Sector | Price | Signal |
|---|---|---|---|---|
| 1 | Keller Group (KLR.L) | — | £30.80 | filled a 12.1% gap up 1 session ago (2026-08-04) — price traded back through the level the gap left behind, the same session it opened |
| 2 | Melrose Industries (MRO.L) | — | £4.91 | filled a 9.3% gap down 1 session ago (2026-08-04) — price traded back through the level the gap left behind, 2 sessions after it opened |
| 3 | Aston Martin Lagonda (AML.L) | — | £0.342 | filled a 5.8% gap up 2 sessions ago (2026-08-03) — price traded back through the level the gap left behind, the same session it opened |
| 4 | Sainsbury's (SBRY.L) | — | £3.56 | filled a 6.6% gap up 2 sessions ago (2026-08-03) — price traded back through the level the gap left behind, 1 session after it opened |
| 5 | Helios Towers (HTWS.L) | — | £1.95 | filled a 6.9% gap up 3 sessions ago (2026-07-31) — price traded back through the level the gap left behind, 1 session after it opened |
| 6 | IG Group (IGG.L) | — | £13.50 | filled a 20.6% gap up 3 sessions ago (2026-07-31) — price traded back through the level the gap left behind, 45 sessions after it opened |
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What is filling a gap?
A gap is "filled" when price trades back through the level it jumped away from. A company that closes at 100, opens at 106 and later trades at 100 again has filled that gap; until a session's low reaches back to 100, it has not. The same works in reverse for a gap down, where a session's high has to reach back up to the old close. This screen lists companies where that has just happened.
How do I read the Just filled a gap (5%+ closed in the last week) (UK) screen?
The default is a gap of at least 5% that was closed within the last five sessions, most recently filled first, alongside how long the gap stayed open. Fills are ordinary rather than notable: measured across our catalog, about a third of gaps of 2% or more are filled during the session that opened them and the median of the rest takes two sessions. What a fill tells you is that the price range the market skipped has now been traded through, which is a description of what happened, not a signal about what comes next. Nothing here is advice.
New to this? What is Price gaps (gap up, gap down, and filling a gap)? →
Data: daily-close price history, recomputed nightly. Every figure is shown with its as-of date on the company page; a company without enough price history for this indicator is excluded, never estimated.
2 covered companies were not evaluated for this screen because their price series end on or before an earlier session (AEP.L, MEGP.L), at least 0 trading sessions behind the null session the rest of the catalog carries. A technical signal is a claim about the present, so it is not asserted from a series that stops before it. Those companies keep the readings they have on their own page, with the as-of date they were computed from.
Last updated 2026-08-05 — this screen recomputes nightly from daily-close prices, so its members change over time.
Informational only — NOT financial advice. Technical indicators describe past price behavior; they are not predictions. All figures are delayed daily-close data.