How much did CDNA move each index today?
XBI: CDNA moved +6.95% and contributed +0.06 points of the index's +4.95-point move (1% of it), ranking #28 of 147 members by contribution to the move.
CDNA closed the 2026-08-25 session at 50.80; that day's move sits in the 95th percentile of its own past year. The stock is at its 52-week closing high and +169.6% for the year so far.
CDNA in the XBI beyond today
| window | CDNA return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +10.00% | +0.08 pts | +9.00 pts | #35 of 147 |
| 1 month | +39.71% | +0.26 pts | +18.53 pts | #24 of 147 |
| quarter to date | +78.25% | +0.38 pts | +10.87 pts | #11 of 147 |
| year to date | +169.64% | +0.70 pts | +47.19 pts | #30 of 147 |
Who moved with and against CDNA today?
On CDNA'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/CDNA, free to cite with attribution.