How much did ERAS move each index today?
XBI: ERAS moved +0.91% and contributed +0.02 points of the index's +4.95-point move (0% of it), ranking #81 of 147 members by contribution to the move.
ERAS closed the 2026-08-25 session at 17.76; that day's move sits in the 54th percentile of its own past year. The stock is 21.0% below its 52-week closing high and +377.4% for the year so far.
ERAS in the XBI beyond today
| window | ERAS return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −1.88% | −0.04 pts | +9.00 pts | #136 of 147 |
| 1 month | −5.88% | −0.15 pts | +18.53 pts | #139 of 147 |
| quarter to date | −3.06% | −0.09 pts | +10.87 pts | #118 of 147 |
| year to date | +377.42% | +1.89 pts | +47.19 pts | #3 of 147 |
Who moved with and against ERAS today?
On ERAS'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/ERAS, free to cite with attribution.