How much did MDXG move each index today?
XBI: MDXG moved +1.08% and contributed +0.00 points of the index's +4.46-point move (0% of it), ranking #113 of 154 members by contribution to the move.
MDXG closed the 2026-10-09 session at 4.67; that day's move sits in the 69th percentile of its own past year. The stock is 41.3% below its 52-week closing high and −31.0% for the year so far.
MDXG in the XBI beyond today
| window | MDXG return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +1.74% | +0.00 pts | −0.68 pts | #96 of 157 |
| 1 month | +1.52% | −0.00 pts | −3.07 pts | #110 of 157 |
| quarter to date | +0.21% | +0.00 pts | −3.93 pts | #113 of 157 |
| year to date | −31.02% | −0.09 pts | +31.82 pts | #113 of 157 |
Who moved with and against MDXG today?
On MDXG'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/MDXG, free to cite with attribution.