How much did MYGN move each index today?
XBI: MYGN moved +2.62% and contributed +0.01 points of the index's +4.46-point move (0% of it), ranking #92 of 154 members by contribution to the move.
MYGN closed the 2026-10-09 session at 4.31; that day's move sits in the 78th percentile of its own past year. The stock is 47.3% below its 52-week closing high and −29.9% for the year so far.
MYGN in the XBI beyond today
| window | MYGN return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −5.07% | −0.01 pts | −0.68 pts | #62 of 157 |
| 1 month | +28.27% | +0.05 pts | −3.07 pts | #125 of 157 |
| quarter to date | +0.00% | −0.01 pts | −3.93 pts | #97 of 157 |
| year to date | −29.92% | −0.02 pts | +31.82 pts | #88 of 157 |
Who moved with and against MYGN today?
On MYGN's side of the XBI tape: MRNA (+0.45 pts), IOVA (+0.23 pts), PCVX (+0.19 pts). Pulling the other way: PRAX (−0.03 pts), MDGL (−0.02 pts), PURR (−0.02 pts).
Every member's contribution, top to bottom, is on the index dashboards; the day's story is in the market-close note. Machine-readable figures for this stock: /api/stock/MYGN, free to cite with attribution.