How much did RLAY move each index today?
XBI: RLAY moved −5.40% and contributed −0.08 points of the index's −0.71-point move (12% of it), ranking #3 of 145 members by contribution to the move.
RLAY closed the 2026-08-26 session at 19.46; that day's move sits in the 4th percentile of its own past year. The stock is 6.2% below its 52-week closing high and +130.0% for the year so far.
RLAY in the XBI beyond today
| window | RLAY return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −6.17% | −0.10 pts | −1.16 pts | #4 of 147 |
| 1 month | +6.40% | +0.14 pts | +18.61 pts | #53 of 147 |
| quarter to date | +4.01% | +0.18 pts | +10.14 pts | #38 of 147 |
| year to date | +130.02% | +1.18 pts | +46.46 pts | #11 of 147 |
Who moved with and against RLAY today?
On RLAY's side of the XBI tape: MRNA (−0.24 pts), SYRE (−0.24 pts), IOVA (−0.06 pts). Pulling the other way: ERAS (+0.11 pts), BHVN (+0.09 pts), SMMT (+0.07 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/RLAY, free to cite with attribution.