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Does Graphic Packaging (GPK) stock go up or down depending on the month?

Best month to invest in GPK stock — 14 years (2013-2026) · Materials
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In short — Over 14 years, Graphic Packaging stock rises most in July: +5.0% on average, up 86% of years. Its weakest month is September (-2.3%). Most consistent: July (86% positive years). ⚠️ This is an observation of the past over just 14 years — not a prediction, not advice.

Graphic Packaging month by month, year by year

Each cell = the price change over that month. Green = up, red = down. The stronger the colour, the bigger the move.
YearJanFebMarAprMayJunJulAugSepOctNovDec
2026-2.7%-16.5%-18.7%-4.1%+18.2%-6.1%+1.5%
2025+1.0%-2.7%-2.7%-2.5%-12.2%-5.2%+6.1%-0.4%-12.1%-18.3%+1.2%-6.9%
2024+3.5%+1.7%+12.4%-11.4%+9.6%-7.5%+14.8%-0.6%-1.1%-4.5%+6.5%-9.7%
2023+8.3%-1.2%+7.1%-3.3%-3.1%+0.5%+0.7%-8.1%+0.2%-3.5%+5.4%+8.7%
2022-3.0%+8.8%-2.6%+8.8%+2.1%-7.9%+8.5%+0.1%-11.4%+16.3%+0.1%-3.2%
2021-7.6%+1.3%+14.4%+2.1%-4.7%+2.6%+5.7%+7.0%-7.2%+4.7%-1.0%-1.2%
2020-6.1%-13.5%-9.8%+9.4%+8.4%-3.3%-0.4%+0.3%+0.8%-5.7%+15.3%+10.6%
2019+13.4%+0.9%+3.7%+9.9%-6.3%+7.5%+6.3%-7.1%+6.8%+6.2%+3.9%+2.3%
2018+4.5%-5.2%+0.3%-6.8%+1.3%+0.2%+0.1%-2.1%-1.5%-21.4%+8.9%-11.3%
2017+0.2%+6.7%-3.6%+5.5%-0.5%+2.0%-4.3%-1.1%+6.9%+11.0%-1.2%+0.9%
2016-11.5%+8.5%+4.2%+3.3%+0.9%-6.4%+8.8%+5.1%-2.4%-10.7%+0.6%-0.7%
2015+6.3%+4.2%-3.6%-3.0%+1.0%-2.2%+8.4%-6.6%-9.3%+10.7%-3.5%-6.1%
2014-1.0%+7.8%-0.8%+1.0%+7.1%+6.5%+2.6%+6.6%-2.8%-2.4%+2.6%+9.4%
2013+5.8%+0.9%+0.4%+2.3%+0.7%+11.1%-3.4%+3.0%-1.9%+6.9%+6.9%
Average+0.4%+0.5%+0.1%+0.7%+1.7%-1.3%+5.0%-0.8%-2.3%-1.5%+3.5%-0.0%
% of years up54%64%50%57%64%50%86%38%38%38%77%46%
Years observed131414141414141313131313

Graphic Packaging month by month: the summary

Over 2013-2026, here's what Graphic Packaging (GPK) stock did each month, on average: January +0.4% (up 54% of 13 years), February +0.5% (up 64% of 14 years), March +0.1% (up 50% of 14 years), April +0.7% (up 57% of 14 years), May +1.7% (up 64% of 14 years), June -1.3% (up 50% of 14 years), July +5.0% (up 86% of 14 years), August -0.8% (up 38% of 13 years), September -2.3% (up 38% of 13 years), October -1.5% (up 38% of 13 years), November +3.5% (up 77% of 13 years), December -0.0% (up 46% of 13 years). In other words, GPK historically rose in January, February, March, April, May, July, November, and fell in June, August, September, October, December.

Does Graphic Packaging really go up in July?

Over 2013-2026, July is Graphic Packaging's strongest month: +5.0% on average, positive in 12 of 14 years. At the other end, September shows -2.3%. But a monthly gap is often built on one or two extreme years — the table above shows it: look at the spread, not just the average. Seasonality only means something when it has a cause (selling season, earnings calendar, year-end tax effects); with no identified cause, it's probably noise.

Frequently asked questions

Does Graphic Packaging stock go up or down in August?

Over 13 years, GPK fell -0.8% on average in August, finishing the month up 5 times out of 13 (38%). Median: -0.6%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.

Does Graphic Packaging stock go up or down in November?

Over 13 years, GPK rose +3.5% on average in November, finishing the month up 10 times out of 13 (77%). Median: +2.6%. It's one of its most consistent months. ⚠️ 13 years of data is not a prediction.

Does Graphic Packaging stock go up or down in May?

Over 14 years, GPK rose +1.7% on average in May, finishing the month up 9 times out of 14 (64%). Median: +1.1%. Results are split year to year — there's no clear pattern. ⚠️ 14 years of data is not a prediction.

Does Graphic Packaging stock go up or down in October?

Over 13 years, GPK fell -1.5% on average in October, finishing the month up 5 times out of 13 (38%). Median: -2.4%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.

Does Graphic Packaging stock go up or down in June?

Over 14 years, GPK fell -1.3% on average in June, finishing the month up 7 times out of 14 (50%). Median: -1.0%. Results are split year to year — there's no clear pattern. ⚠️ 14 years of data is not a prediction.

Does Graphic Packaging stock go up or down in April?

Over 14 years, GPK rose +0.7% on average in April, finishing the month up 8 times out of 14 (57%). Median: +0.7%. Results are split year to year — there's no clear pattern. ⚠️ 14 years of data is not a prediction.

What is the best month to buy Graphic Packaging stock?

Historically, July: over the last 14 years, GPK gained +5.0% on average that month and finished up 86% of the time (14 years observed). September is the weakest month (-2.3%). This is not a prediction: 14 years is a small sample, and the past is under no obligation to repeat.

Why does Graphic Packaging stock often rise in July?

July has averaged as its best month over 14 years (+5.0%, up 86% of years). No clearly established recurring seasonal driver explains this month — it's a statistical tendency over 14 years of history, not a prediction.

Is there a best month to invest in the stock market in general?

There's no universal rule: every stock has its own seasonality. For GPK it's July (+5.0% on average over 14 years) — another stock will look completely different. The calendar effects people cite ("sell in May", the year-end rally) are market-wide averages, not laws: on GPK, July is the most consistent month (86% positive years). We also rank all 12 months for the whole market.

Does stock seasonality actually work?

Careful. A month that rose 14 times out of 14 can simply be chance: with 12 months and a dozen years, patterns appear naturally even in random data. Seasonality describes what happened; it doesn't explain why and predicts nothing. Treat it as context, never as a standalone buy signal.

What data is this table based on?

On GPK's real monthly closing prices from 2013 to 2026 (14 years), source Yahoo Finance. Each cell = the price change over that month. Price performance, excluding dividends. Incomplete months and quote gaps are excluded.

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