How much did RYTM move each index today?
XBI: RYTM moved +1.27% and contributed +0.02 points of the index's +4.46-point move (1% of it), ranking #51 of 154 members by contribution to the move.
RYTM closed the 2026-10-09 session at 90.78; that day's move sits in the 69th percentile of its own past year. The stock is 22.8% below its 52-week closing high and −15.2% for the year so far.
RYTM in the XBI beyond today
| window | RYTM return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −2.21% | −0.04 pts | −0.68 pts | #34 of 157 |
| 1 month | −11.17% | −0.24 pts | −3.07 pts | #21 of 157 |
| quarter to date | −4.66% | −0.08 pts | −3.93 pts | #24 of 157 |
| year to date | −15.19% | −0.05 pts | +31.82 pts | #100 of 157 |
Who moved with and against RYTM today?
On RYTM'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/RYTM, free to cite with attribution.