A gap shows news or orders that came in while the market was closed. Many traders watch whether price comes back to the prior close to "fill" the gap, or keeps running away from it.
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| Date | Prior close | Open | Gap | Filled? |
|---|---|---|---|---|
| Oct 28 | 17.54 | 17.17 | −2.1% | No |
| Oct 27 | 18.61 | 17.80 | −4.4% | No |
| Oct 24 | 18.72 | 18.54 | −1.0% | No |
| Oct 23 | 18.34 | 18.32 | −0.1% | Yes |
| Oct 22 | 17.25 | 17.54 | +1.7% | No |
| Oct 21 | 18.73 | 17.01 | −9.2% | No |
| Oct 20 | 18.71 | 18.73 | +0.1% | No |
| Oct 17 | 18.27 | 18.72 | +2.5% | No |
| Oct 16 | 18.76 | 18.27 | −2.6% | No |
| Oct 15 | 19.06 | 19.03 | −0.2% | No |
On Oct 28 it gapped down 2.1% ($17.54 → $17.17).
On SEPT: see every gap drawn on your chart with its fill level. Try it free →No, it did not trade back to the prior close of $17.54.
On SEPT: get an alert when ZYN fills its gap. Try it free →When price moves back to the prior close after opening with a gap up or down.
On SEPT: screen for stocks filling their gap right now. Try it free →In the last 10 days, 0 of 7 gaps bigger than 0.3% filled the same day.
On SEPT: test gap-fill odds on years of real data. Try it free →No. Many small gaps fill, but big gaps on news can run for days without filling.
On SEPT: ask GOAX what is behind today's gap. Try it free →A gap that keeps running in its direction after the open instead of filling.
On SEPT: build a gap-and-go alert with your own confirmation and entry conditions. Try it free →PremarketRTHOvernightYesterdayOpening rangeInitial balanceVWAPPivotsZonesKPLSwingMother barAll levels
Data: SEPT market data engine. Delayed data; real-time levels are on the SEPT platform. Times in Eastern Time. Educational information only, not investment advice. No odds or win rates are shown on this page.