Does Avantor (AVTR) stock go up or down depending on the month?
Avantor month by month, year by year
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -4.7% | -17.1% | -13.4% | +3.3% | +12.6% | +8.6% | +39.2% | |||||
| 2025 | +5.7% | -25.0% | -2.9% | -19.9% | -0.6% | +4.3% | -0.1% | +0.2% | -7.3% | -5.3% | -0.8% | -2.3% |
| 2024 | +0.7% | +7.2% | +3.8% | -5.2% | -0.6% | -12.0% | +26.2% | -3.4% | +0.1% | -13.5% | -5.9% | +0.0% |
| 2023 | +13.3% | +2.0% | -13.3% | -7.9% | +2.4% | +3.0% | +0.1% | +5.3% | -2.6% | -17.3% | +21.5% | +7.8% |
| 2022 | -11.4% | -7.1% | -2.5% | -5.7% | +0.5% | -2.9% | -6.7% | -14.2% | -21.3% | +2.9% | +10.5% | -5.3% |
| 2021 | +4.8% | -5.5% | +3.8% | +10.8% | +0.3% | +10.5% | +5.8% | +4.9% | +3.7% | -1.3% | -2.2% | +6.7% |
| 2020 | +1.8% | -14.7% | -20.7% | +34.6% | +12.8% | -10.4% | +29.9% | +2.2% | -0.4% | +3.5% | +17.2% | +3.2% |
| 2019 | +9.1% | -7.9% | -0.5% | -16.0% | -3.3% | +20.5% | +6.0% | |||||
| Average | +1.5% | -8.6% | -6.5% | +1.4% | +3.9% | +1.3% | +10.8% | -0.8% | -6.3% | -4.9% | +8.7% | +2.3% |
| % of years up | 71% | 29% | 29% | 43% | 71% | 63% | 63% | 57% | 29% | 29% | 57% | 71% |
| Years observed | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 7 |
Avantor month by month: the summary
Over 2019-2026, here's what Avantor (AVTR) stock did each month, on average: January +1.5% (up 71% of 7 years), February -8.6% (up 29% of 7 years), March -6.5% (up 29% of 7 years), April +1.4% (up 43% of 7 years), May +3.9% (up 71% of 7 years), June +1.3% (up 63% of 8 years), July +10.8% (up 63% of 8 years), August -0.8% (up 57% of 7 years), September -6.3% (up 29% of 7 years), October -4.9% (up 29% of 7 years), November +8.7% (up 57% of 7 years), December +2.3% (up 71% of 7 years). In other words, AVTR historically rose in January, April, May, June, July, November, December, and fell in February, March, August, September, October.
Does Avantor really go up in July?
Over 2019-2026, July is Avantor's strongest month: +10.8% on average, positive in 5 of 8 years. At the other end, February shows -8.6%. 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 Avantor stock go up or down in January?
Over 7 years, AVTR rose +1.5% on average in January, finishing the month up 5 times out of 7 (71%). Median: +1.8%. It's one of its most consistent months. ⚠️ 7 years of data is not a prediction.
Does Avantor stock go up or down in August?
Over 7 years, AVTR fell -0.8% on average in August, finishing the month up 4 times out of 7 (57%). Median: +0.2%. Results are split year to year — there's no clear pattern. ⚠️ 7 years of data is not a prediction.
Does Avantor stock go up or down in November?
Over 7 years, AVTR rose +8.7% on average in November, finishing the month up 4 times out of 7 (57%). Median: +10.5%. Results are split year to year — there's no clear pattern. ⚠️ 7 years of data is not a prediction.
Does Avantor stock go up or down in March?
Over 7 years, AVTR fell -6.5% on average in March, finishing the month up 2 times out of 7 (29%). Median: -2.9%. It's one of its weakest months. ⚠️ 7 years of data is not a prediction.
Does Avantor stock go up or down in September?
Over 7 years, AVTR fell -6.3% on average in September, finishing the month up 2 times out of 7 (29%). Median: -2.6%. It's one of its weakest months. ⚠️ 7 years of data is not a prediction.
Does Avantor stock go up or down in October?
Over 7 years, AVTR fell -4.9% on average in October, finishing the month up 2 times out of 7 (29%). Median: -3.3%. It's one of its weakest months. ⚠️ 7 years of data is not a prediction.
What is the best month to buy Avantor stock?
Historically, July: over the last 8 years, AVTR gained +10.8% on average that month and finished up 63% of the time (8 years observed). February is the weakest month (-8.6%). This is not a prediction: 8 years is a small sample, and the past is under no obligation to repeat.
Why does Avantor stock often rise in July?
July has averaged as its best month over 8 years (+10.8%, up 63% of years). No clearly established recurring seasonal driver explains this month — it's a statistical tendency over 8 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 AVTR it's July (+10.8% on average over 8 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 AVTR, January is the most consistent month (71% positive years). We also rank all 12 months for the whole market.
Does stock seasonality actually work?
Careful. A month that rose 8 times out of 8 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 AVTR's real monthly closing prices from 2019 to 2026 (8 years), source Yahoo Finance. Each cell = the price change over that month. Price performance, excluding dividends. Incomplete months and quote gaps are excluded.