Does Cytokinetics (CYTK) stock go up or down depending on the month?
Cytokinetics month by month, year by year
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.6% | -1.5% | +5.9% | -2.9% | +20.0% | +11.0% | -9.5% | |||||
| 2025 | +5.1% | -7.0% | -12.6% | +6.6% | -27.6% | +6.5% | +13.9% | -6.1% | +55.6% | +15.7% | +7.1% | -6.7% |
| 2024 | -6.4% | -7.5% | -2.9% | -12.5% | -20.9% | +11.7% | +8.9% | -3.3% | -7.5% | -3.4% | +1.7% | -9.3% |
| 2023 | -7.3% | +2.1% | -18.8% | +6.3% | +0.8% | -13.5% | +2.2% | +4.8% | -15.7% | +18.3% | -4.0% | +149.4% |
| 2022 | -27.2% | +6.4% | +4.2% | +8.3% | +0.1% | -1.5% | +7.7% | +25.1% | -8.5% | -9.9% | -2.7% | +7.8% |
| 2021 | -5.3% | -4.8% | +24.2% | +9.4% | -14.2% | -9.3% | +50.0% | +11.1% | +8.4% | -2.3% | +12.7% | +15.9% |
| 2020 | +15.9% | +13.3% | -15.4% | +28.2% | +37.1% | +13.8% | -8.3% | +10.8% | -9.6% | -29.0% | +9.3% | +23.7% |
| 2019 | +11.2% | +2.7% | +12.0% | +9.0% | +17.6% | +8.5% | +8.4% | +15.3% | -19.0% | +2.4% | -17.0% | +9.7% |
| 2018 | +12.9% | -15.8% | -7.1% | +15.3% | +8.4% | -7.8% | -11.4% | +7.5% | +24.7% | -32.1% | +17.5% | -19.6% |
| 2017 | -14.0% | +1.4% | +21.2% | +27.6% | -17.4% | -10.7% | +16.1% | +5.7% | -2.4% | -5.9% | -37.0% | -5.2% |
| 2016 | -26.4% | -18.2% | +11.9% | +15.5% | +0.1% | +16.4% | +17.2% | +8.5% | -23.9% | +5.7% | +23.7% | +1.3% |
| 2015 | -11.5% | +8.7% | -12.1% | -7.2% | +1.3% | +5.5% | -4.9% | +8.3% | -3.3% | +28.7% | +37.3% | -11.5% |
| 2014 | +19.2% | +27.1% | -3.6% | -52.1% | +9.7% | -4.2% | -11.5% | +1.2% | -17.8% | +4.3% | +27.2% | +71.5% |
| 2013 | -15.3% | +14.0% | +12.3% | -6.2% | +60.7% | +7.5% | -15.8% | -27.7% | -20.6% | +8.0% | +0.2% | |
| Average | -2.6% | -0.6% | +1.5% | +4.5% | +0.6% | +6.2% | +6.2% | +5.6% | -3.6% | -2.2% | +6.5% | +17.5% |
| % of years up | 38% | 50% | 50% | 71% | 64% | 57% | 64% | 77% | 23% | 46% | 69% | 62% |
| Years observed | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Cytokinetics month by month: the summary
Over 2013-2026, here's what Cytokinetics (CYTK) stock did each month, on average: January -2.6% (up 38% of 13 years), February -0.6% (up 50% of 14 years), March +1.5% (up 50% of 14 years), April +4.5% (up 71% of 14 years), May +0.6% (up 64% of 14 years), June +6.2% (up 57% of 14 years), July +6.2% (up 64% of 14 years), August +5.6% (up 77% of 13 years), September -3.6% (up 23% of 13 years), October -2.2% (up 46% of 13 years), November +6.5% (up 69% of 13 years), December +17.5% (up 62% of 13 years). In other words, CYTK historically rose in March, April, May, June, July, August, November, December, and fell in January, February, September, October.
Does Cytokinetics really go up in December?
Over 2013-2026, December is Cytokinetics's strongest month: +17.5% on average, positive in 8 of 13 years. At the other end, September shows -3.6%. 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 Cytokinetics stock go up or down in August?
Over 13 years, CYTK rose +5.6% on average in August, finishing the month up 10 times out of 13 (77%). Median: +7.5%. It's one of its most consistent months. ⚠️ 13 years of data is not a prediction.
Does Cytokinetics stock go up or down in November?
Over 13 years, CYTK rose +6.5% on average in November, finishing the month up 9 times out of 13 (69%). Median: +8.0%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.
Does Cytokinetics stock go up or down in June?
Over 14 years, CYTK rose +6.2% on average in June, finishing the month up 8 times out of 14 (57%). Median: +6.0%. Results are split year to year — there's no clear pattern. ⚠️ 14 years of data is not a prediction.
Does Cytokinetics stock go up or down in July?
Over 14 years, CYTK rose +6.2% on average in July, finishing the month up 9 times out of 14 (64%). Median: +7.6%. Results are split year to year — there's no clear pattern. ⚠️ 14 years of data is not a prediction.
Does Cytokinetics stock go up or down in April?
Over 14 years, CYTK rose +4.5% on average in April, finishing the month up 10 times out of 14 (71%). Median: +8.7%. It's one of its most consistent months. ⚠️ 14 years of data is not a prediction.
Does Cytokinetics stock go up or down in January?
Over 13 years, CYTK fell -2.6% on average in January, finishing the month up 5 times out of 13 (38%). Median: -5.3%. Results are split year to year — there's no clear pattern. ⚠️ 13 years of data is not a prediction.
What is the best month to buy Cytokinetics stock?
Historically, December: over the last 14 years, CYTK gained +17.5% on average that month and finished up 62% of the time (13 years observed). September is the weakest month (-3.6%). This is not a prediction: 14 years is a small sample, and the past is under no obligation to repeat.
Why does Cytokinetics stock often rise in December?
December has averaged as its best month over 14 years (+17.5%, up 62% 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 CYTK it's December (+17.5% 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 CYTK, August is the most consistent month (77% 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 CYTK'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.