Historical data, not advice. These are past, realized one-session moves after earnings, not the options-implied (“expected”) move and not a prediction. Past moves don't tell you what happens next. Nothing here is a recommendation to buy, sell or trade anything. See the disclaimer.
Data provided for free by IEX. By accessing or using IEX Historical Data, you agree to the IEX Historical Data Terms of Use. Prices are IEX-only trades, not the official consolidated close. Report dates and timing: SEC EDGAR (Form 8-K, Item 2.02).
KR earnings move history: ±2.6% average move after its last 1 reports | TiltRadar
How far KR actually moved after its last 1 earnings report, one session, close to close.
Avg move (up or down)
±2.6%
last 1 reports
Median move
±2.6%
avg gap at open ±1.4%
Biggest up
+2.6%
Sep 11, 2026
Biggest down
none
One-session move after each report1 up · 0 down
Report by report
Post-earnings moves, newest first
Report
Timing
Window (close → close)
Move
|Move|
Sep 11, 2026Timing unclear: the 8-K was accepted at 10:05 ET, during market hours. Measured prior close → that day's close, which includes the release either way
Market hours* 10:05 ET
09-10 $56.96 → 09-11 $58.46
+2.63%
2.63%
13 older reports not shown yet: their prices aren't loaded in the archive (currently Aug 22, 2023 – Oct 26, 2026).
None of the tracked 13F funds show it as a top, new, increased or exited position. 13F tracker →
How this is calculated
Which reports: the company's quarterly results release, i.e. the last Form 8-K with Item 2.02 filed shortly before each 10-Q/10-K (plus the newest one if its 10-Q isn't out yet). Other Item 2.02 8-Ks (preliminary results, updates) are ignored.
Timing is the SEC's acceptance timestamp of that 8-K (ET). Before 9:30 AM: move = that day's close vs. the prior close. At or after 4:00 PM: move = next session's close vs. the report day's close. Weekend/holiday filings count as before the next open.
Timing unclear: if the 8-K was accepted during market hours (some companies publish the press release before the open and file the 8-K later), we measure prior close → that day's close, which contains the release either way, and label it with an asterisk.
Prices are the last regular-session trade on the IEX exchange each day (and the first one, for the gap), not the consolidated official close, so figures can differ from the official close by a few cents, and thinly traded names are flagged. Each move spans one session, so splits only matter when a split takes effect on the reaction day; those moves are detected from the price ratio and left out. Not adjusted for dividends.
Up to the last 12 reports since mid-2023. US-listed companies that file 10-Qs only: foreign issuers that report on Form 6-K (most ADRs) and ETFs aren't supported. Prices through Oct 26, 2026.
Coming soon
How implied volatility trends into KR's earnings
The typical IV run-up over the 60 days before a report, the crush the session after, and how that compares with an option's time decay. We're lining up a licensed source of historical options data, so this section stays empty until the numbers are real.