Graphic Packaging Holding (GPK) Could Be 15% Undervalued As Earnings Near
Published . Updated .
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This report does not map to a usual set of affected companies.
Directly affected
- GPK Graphic Packaging Holding+26.6% 30d
Named in this report.
Indirectly affected
- XLB Materials Select Sector SPDR+1.9% 18d
Materials Select Sector SPDR holds the materials sector that Graphic Packaging Holding belongs to, so it often moves with news about it.
- PKG Packaging Corporation of America+11.3% 30d
Packaging Corporation of America is a peer of Graphic Packaging Holding in paperboard containers and boxes; rivals often move on the same news.
- SON Sonoco Products+6.5% 30d
Sonoco Products is a peer of Graphic Packaging Holding in paperboard containers and boxes; rivals often move on the same news.
- SW Smurfit Westrock+12.0% 6d
Smurfit Westrock is a peer of Graphic Packaging Holding in paperboard containers and boxes; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| GPK | -7.07% | -5.78% | base | +21.52% | +26.07% | +23.66% | after close |
| XLB | -3.46% | -2.12% | base | -2.03% | +0.41% | -2.74% | after close |
| PKG | -2.19% | -1.59% | base | -1.45% | +0.16% | -3.80% | after close |
| SON | -1.74% | -0.62% | base | -2.71% | +2.89% | +2.39% | after close |
| SW | -1.82% | -2.01% | base | +0.10% | +4.22% | +2.60% | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Graphic Packaging Holding (GPK) Could Be 15% Undervalued As Earnings Near Yahoo Finance
Source: Yahoo Finance
This story
| Company | When | Move | Status |
|---|---|---|---|
| GPK | that day | +21.52% | final price |
| GPK | the next day | +26.07% | final price |
| GPK | two days later | +23.66% | final price |
| GPK | three days earlier | -5.78% | final price |
| GPK | five days earlier | -7.07% | final price |
| PKG | that day | -1.45% | final price |
| PKG | the next day | +0.16% | final price |
| PKG | two days later | -3.80% | final price |
| PKG | three days earlier | -1.59% | final price |
| PKG | five days earlier | -2.19% | final price |
| SON | that day | -2.71% | final price |
| SON | the next day | +2.89% | final price |
| SON | two days later | +2.39% | final price |
| SON | three days earlier | -0.62% | final price |
| SON | five days earlier | -1.74% | final price |
| SW | that day | +0.10% | final price |
| SW | the next day | +4.22% | final price |
| SW | two days later | +2.60% | final price |
| SW | three days earlier | -2.01% | final price |
| SW | five days earlier | -1.82% | final price |
| XLB | that day | -2.03% | final price |
| XLB | the next day | +0.41% | final price |
| XLB | two days later | -2.74% | final price |
| XLB | three days earlier | -2.12% | final price |
| XLB | five days earlier | -3.46% | final price |
Congressional trades in the stocks in this story
- Rep. Rohit Khanna sold Graphic Packaging Holding (GPK) (held by a spouse), worth $1,001 - $15,000 on 14 Sep 2026. That is 50 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. April McClain Delaney sold Packaging Corp Of America (PKG) (held by a dependent child), worth $50,001 - $100,000 on 25 Aug 2026. That is 70 days before publication. Filed 9 Sep 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
This story
12 out of 100
“Graphic Packaging Holding (GPK) Could Be 15% Undervalued As Earnings Near” scores 12 out of 100. The score uses 1 sources.