BIIB
Holding
How long should you hold on to BIIB?
Compared to SP500 component stocks for the past 2 years. We compute the median gain for each of the SP500 stocks, as well as BIIB. Purple dots are the median of the gain median for holding those SP500 stocks. Light purple area indicates the 25% to 75% of the SP500 stock gain median. Deep purple area covers the 10% to 90% of the SP500 stock gain median.
Last updated 2026-05-13T14:26:16.996271+00:00.
| Ownership Length | Average Gain & Rank | Median Gain & Rank | Standard Deviation | Steady Growth Score* |
|---|---|---|---|---|
| One Single Day | 0.00% #351 | -0.01% #361 | 1.95 #299 | 0.00 #351 |
| One Week | -0.03% #355 | +0.10% #319 | 4.09 #289 | -0.01 #354 |
| One Month | -0.45% #402 | -0.97% #418 | 7.98 #272 | -0.06 #399 |
| 3 Months | -1.41% #387 | -4.98% #433 | 15.42 #362 | -0.09 #373 |
| 6 Months | -2.22% #378 | -9.82% #441 | 26.50 #436 | -0.08 #356 |
| One Year | -13.30% #443 | -23.19% #473 | 30.35 #429 | -0.44 #392 |
*Steady Growth Score (SGS) measures the consistency of the gain over the specific ownership length. To consistently grow, the stock needs to have both high average gain and low gain deviation. SGS is then defined as the average gain divided by the standard deviation of the gain.