How Will Cooper Companies Stock React To Its Upcoming Earnings?
Cooper Companies (NASDAQ:COO) is set to report its earnings on Wednesday, September 9, 2026. The company has $14 billion in current market capitalization. Revenue over the last twelve months was $4.2 billion, and it was operationally profitable with $498 million in operating profits and net income of $236 million. While a lot will depend on how results stack up against consensus and expectations, understanding historical patterns might just turn the odds in your favor if you are an event-driven trader.
There are two ways to do that: understand the historical odds and position yourself prior to the earnings release, or look at the correlation between immediate and medium-term returns post earnings and position yourself accordingly after the earnings are released.
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Cooper Companies’s Historical Odds Of Positive Post-Earnings Return
Some observations on one-day (1D) post-earnings returns:
- There are 19 earnings data points recorded over the last five years, with 9 positive and 10 negative one-day (1D) returns observed. In summary, positive 1D returns were seen about 47% of the time.
- However, this percentage decreases to 45% if we consider data for the last 3 years instead of 5.
- Median of the 9 positive returns = 5.7%, and median of the 10 negative returns = -4.5%
Additional data for observed 5-Day (5D) and 21-Day (21D) returns post earnings are summarized along with the statistics in the table below.
| Forward Returns | |||
|---|---|---|---|
| Earnings Date | 1D | 5D | 21D |
| 6/4/2026 | 8.6% | 8.9% | 15.9% |
| 3/5/2026 | -4.6% | -10.8% | -12.4% |
| 12/4/2025 | 5.7% | 6.6% | 8.9% |
| 8/27/2025 | -12.9% | -8.2% | -8.8% |
| 5/29/2025 | -14.6% | -11.0% | -11.0% |
| 3/6/2025 | -6.6% | -14.6% | -18.9% |
| 12/5/2024 | -4.4% | -6.3% | -10.2% |
| 8/28/2024 | 11.8% | 12.7% | 16.1% |
| 5/30/2024 | 4.5% | 5.6% | -4.3% |
| 2/29/2024 | 9.2% | 9.1% | 6.0% |
| 12/7/2023 | -2.9% | 6.5% | 7.6% |
| 8/30/2023 | -2.9% | -7.1% | -16.5% |
| 6/1/2023 | -4.7% | -6.5% | 0.9% |
| 3/2/2023 | 7.3% | 2.1% | 13.9% |
| 12/8/2022 | -3.1% | 1.5% | 7.6% |
| 8/31/2022 | 4.4% | 7.1% | -8.2% |
| 6/2/2022 | -3.0% | -4.5% | -10.5% |
| 3/3/2022 | 1.8% | -7.6% | 2.7% |
| 12/2/2021 | 3.6% | 8.1% | 11.5% |
| SUMMARY STATS | |||
| # Positive | 9 | 10 | 10 |
| # Negative | 10 | 9 | 9 |
| Median Positive | 5.7% | 6.9% | 8.3% |
| Median Negative | -4.5% | -7.6% | -10.5% |
| Max Positive | 11.8% | 12.7% | 16.1% |
| Max Negative | -14.6% | -14.6% | -18.9% |
Correlation Between 1D, 5D and 21D Historical Returns
A potential strategy is to examine the correlation between short-term and medium-term returns post-earnings to identify actionable follow-through or reversal patterns. However, this approach relies on a strong, statistically meaningful relationship. In Cooper Companies’ case, the highest 5-year correlation (1D vs. 5D) is only -14.4%—far too weak to warrant fading or following the initial 1D move: if the 1D post-earnings return is positive, a trader can position themselves in the opposite direction over the following 5D window.
Here is some correlation data based on a 5-year and a 3-year (more recent) history. Note that these correlations are between subsequent windows, not the cumulative columns above: 1D_5D is the correlation between the 1D post-earnings return and the subsequent return from day 1 through day 5, 1D_21D is between the 1D return and the subsequent return from day 1 through day 21, and 5D_21D is between the 5D return and the subsequent return from day 5 through day 21.
| History | 1D_5D | 1D_21D | 5D_21D |
|---|---|---|---|
| 5Y History | -14.4% | -0.5% | -14.0% |
| 3Y History | -17.2% | -3.2% | -24.8% |
Is There Any Correlation With Peer Earnings?
Sometimes, peer performance can have an influence on post-earnings stock reaction. Some of that pricing-in may even begin before the earnings are announced. Here is some historical data on the past post-earnings performance of Cooper Companies stock compared with the stock performance of MDT, a peer that reported earnings just before Cooper Companies. For fair comparison, peer stock returns also represent post-earnings one-day (1D) returns.
| 1D Return | Peer Post-Earnings 1D Return | |
|---|---|---|
| COO Earnings Dates | COO | MDT |
| 6/4/2026 | 8.6% | 5.7% |
| 3/5/2026 | -4.6% | -3.1% |
| 12/4/2025 | 5.7% | 4.7% |
| 8/27/2025 | -12.9% | -3.1% |
| 5/29/2025 | -14.6% | -2.3% |
| 3/6/2025 | -6.6% | -7.3% |
| 12/5/2024 | -4.4% | -3.0% |
| 8/28/2024 | 11.8% | 0.7% |
| 5/30/2024 | 4.5% | -5.1% |
| 2/29/2024 | 9.2% | 1.7% |
| 12/7/2023 | -2.9% | 4.6% |
| 8/30/2023 | -2.9% | 2.6% |
| 6/1/2023 | -4.7% | -4.5% |
| 3/2/2023 | 7.3% | 0.8% |
| 12/8/2022 | -3.1% | -5.3% |
| 8/31/2022 | 4.4% | -3.1% |
| 6/2/2022 | -3.0% | -5.8% |
| 3/3/2022 | 1.8% | 3.1% |
| 12/2/2021 | 3.6% | -3.0% |
| CORRELATION | 46.5% |
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