Event window | Type | Disclosed samples’ CAR | Undisclosed samples’ CAR | Difference | T/Z value |
(−10, −10) | Mean | −0.014918 | −0.022559 | 0.007640 | 7.183458*** |
Median | −0.013994 | −0.022035 | 0.008041 | −7.084978*** | |
(−10, −9) | Mean | −0.011567 | −0.015936 | 0.004369 | 3.284896*** |
Median | −0.009498 | −0.014181 | 0.004683 | −3.545028*** | |
(−10, −8) | Mean | −0.011473 | −0.015003 | 0.003530 | 2.343842** |
Median | −0.008787 | −0.014124 | 0.005337 | −2.852598*** | |
(−10, −7) | Mean | −0.010325 | −0.011875 | 0.001550 | 0.903846 |
Median | −0.007763 | −0.011909 | 0.004147 | −1.309294 | |
(−10, −6) | Mean | −0.013135 | −0.015725 | 0.002590 | 1.281664 |
Median | −0.011200 | −0.014853 | 0.003653 | −1.590775 | |
(−10, −5) | Mean | −0.014363 | −0.018503 | 0.004140 | 1.885935* |
Median | −0.009887 | −0.016144 | 0.006256 | −1.974774** | |
(−10, −4) | Mean | −0.028509 | −0.037347 | 0.008838 | 3.240453*** |
Median | −0.026023 | −0.037962 | 0.011939 | −3.929731*** | |
(−10, −3) | Mean | −0.036023 | −0.047931 | 0.011908 | 3.868711*** |
Median | −0.031223 | −0.046195 | 0.014973 | −4.401451*** | |
(−10, −2) | Mean | −0.041764 | −0.052511 | 0.010747 | 2.829638*** |
Median | −0.037024 | −0.049280 | 0.012256 | −3.069522*** | |
(−10, −1) | Mean | −0.033846 | −0.042275 | 0.008429 | 2.288374** |
Median | −0.033838 | −0.042328 | 0.008490 | −2.681296*** | |
(−10, 1) | Mean | −0.030563 | −0.035335 | 0.004772 | 1.174551 |
Median | −0.030963 | −0.035624 | 0.004661 | −1.623451 | |
(−10, 2) | Mean | −0.032791 | −0.038863 | 0.006072 | 1.497010 |
Median | −0.031812 | −0.038453 | 0.006641 | −1.831567* |