How much did MDXG move each index today?
XBI: MDXG moved +1.64% and contributed +0.00 points of the index's +4.95-point move (0% of it), ranking #126 of 147 members by contribution to the move.
MDXG closed the 2026-08-25 session at 4.34; that day's move sits in the 79th percentile of its own past year. The stock is 45.5% below its 52-week closing high and −35.9% for the year so far.
MDXG in the XBI beyond today
| window | MDXG return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +0.00% | +0.00 pts | +9.00 pts | #104 of 147 |
| 1 month | +1.88% | +0.01 pts | +18.53 pts | #109 of 147 |
| quarter to date | +12.73% | +0.04 pts | +10.87 pts | #73 of 147 |
| year to date | −35.89% | −0.14 pts | +47.19 pts | #127 of 147 |
Who moved with and against MDXG today?
On MDXG's side of the XBI tape: MRNA (+0.60 pts), TWST (+0.23 pts), BEAM (+0.13 pts). Pulling the other way: PTGX (−0.06 pts), SLS (−0.03 pts), PCVX (−0.03 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.