Does Halliburton (HAL) stock go up or down depending on the month?
Halliburton month by month, year by year
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +18.6% | +7.4% | +8.3% | +8.5% | -8.2% | -12.6% | -5.0% | |||||
| 2025 | -4.3% | +1.3% | -3.8% | -21.9% | -1.2% | +4.0% | +9.9% | +1.5% | +8.2% | +9.1% | -2.3% | +7.8% |
| 2024 | -1.4% | -1.6% | +12.4% | -4.9% | -2.1% | -8.0% | +2.7% | -10.4% | -6.6% | -4.5% | +14.9% | -14.7% |
| 2023 | +4.8% | -12.1% | -12.7% | +3.5% | -12.5% | +15.1% | +18.5% | -1.2% | +4.9% | -2.9% | -5.9% | -2.4% |
| 2022 | +34.4% | +9.1% | +12.9% | -5.9% | +13.7% | -22.6% | -6.6% | +2.8% | -18.3% | +47.9% | +4.0% | +3.9% |
| 2021 | -6.7% | +23.8% | -1.7% | -8.9% | +14.8% | +3.0% | -10.6% | -3.4% | +8.2% | +15.6% | -13.6% | +5.9% |
| 2020 | -10.9% | -22.2% | -59.6% | +53.3% | +11.9% | +10.5% | +10.4% | +12.9% | -25.5% | +0.1% | +37.6% | +13.9% |
| 2019 | +18.0% | -2.1% | -4.5% | -3.3% | -24.8% | +6.8% | +1.1% | -18.1% | +0.1% | +2.1% | +9.0% | +16.6% |
| 2018 | +9.9% | -13.6% | +1.1% | +12.9% | -6.1% | -9.4% | -5.9% | -6.0% | +1.6% | -14.4% | -9.4% | -15.4% |
| 2017 | +4.6% | -5.5% | -7.9% | -6.8% | -1.5% | -5.5% | -0.6% | -8.2% | +18.1% | -7.1% | -2.2% | +17.0% |
| 2016 | -6.6% | +1.5% | +10.7% | +15.6% | +2.1% | +7.4% | -3.6% | -1.5% | +4.3% | +2.5% | +15.4% | +1.9% |
| 2015 | +1.7% | +7.4% | +2.2% | +11.6% | -7.3% | -5.1% | -3.0% | -5.8% | -10.2% | +8.6% | +3.8% | -14.6% |
| 2014 | -3.4% | +16.3% | +3.3% | +7.1% | +2.5% | +9.9% | -2.8% | -2.0% | -4.6% | -14.5% | -23.5% | -6.8% |
| 2013 | +2.0% | -2.6% | +5.8% | -2.2% | -0.3% | +8.3% | +6.2% | +0.3% | +10.1% | -0.7% | -3.7% | |
| Average | +4.5% | +0.8% | -3.0% | +4.8% | -1.5% | -0.5% | +0.9% | -2.5% | -1.5% | +4.0% | +2.1% | +0.7% |
| % of years up | 54% | 57% | 50% | 57% | 36% | 50% | 43% | 31% | 62% | 62% | 46% | 54% |
| Years observed | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Halliburton month by month: the summary
Over 2013-2026, here's what Halliburton (HAL) stock did each month, on average: January +4.5% (up 54% of 13 years), February +0.8% (up 57% of 14 years), March -3.0% (up 50% of 14 years), April +4.8% (up 57% of 14 years), May -1.5% (up 36% of 14 years), June -0.5% (up 50% of 14 years), July +0.9% (up 43% of 14 years), August -2.5% (up 31% of 13 years), September -1.5% (up 62% of 13 years), October +4.0% (up 62% of 13 years), November +2.1% (up 46% of 13 years), December +0.7% (up 54% of 13 years). In other words, HAL historically rose in January, February, April, July, October, November, December, and fell in March, May, June, August, September.
Does Halliburton really go up in April?
Over 2013-2026, April is Halliburton's strongest month: +4.8% on average, positive in 8 of 14 years. At the other end, March shows -3.0%. 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 Halliburton stock go up or down in September?
Over 13 years, HAL fell -1.5% on average in September, finishing the month up 8 times out of 13 (62%). Median: +0.3%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.
Does Halliburton stock go up or down in August?
Over 13 years, HAL fell -2.5% on average in August, finishing the month up 4 times out of 13 (31%). Median: -2.0%. It's one of its weakest months. ⚠️ 13 years of data is not a prediction.
Does Halliburton stock go up or down in January?
Over 13 years, HAL rose +4.5% on average in January, finishing the month up 7 times out of 13 (54%). Median: +1.7%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.
Does Halliburton stock go up or down in October?
Over 13 years, HAL rose +4.0% on average in October, finishing the month up 8 times out of 13 (62%). Median: +2.1%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.
Does Halliburton stock go up or down in November?
Over 13 years, HAL rose +2.1% on average in November, finishing the month up 6 times out of 13 (46%). Median: -0.7%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.
Does Halliburton stock go up or down in May?
Over 14 years, HAL fell -1.5% on average in May, finishing the month up 5 times out of 14 (36%). Median: -1.8%. 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 Halliburton stock?
Historically, April: over the last 14 years, HAL gained +4.8% on average that month and finished up 57% of the time (14 years observed). March is the weakest month (-3.0%). This is not a prediction: 14 years is a small sample, and the past is under no obligation to repeat.
Why does Halliburton stock often rise in April?
April has averaged as its best month over 14 years (+4.8%, up 57% 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 HAL it's April (+4.8% 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 HAL, September is the most consistent month (62% 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 HAL'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.