How much did CERS move each index today?
ARKK: CERS moved −0.73% and contributed −0.00 points against the index's +1.65-point move, offsetting 0% of it, ranking #33 of 42 members by contribution to the move.
CERS closed the 2026-08-27 session at 2.72; that day's move sits in the 38th percentile of its own past year. The stock is 17.1% below its 52-week closing high and +32.0% for the year so far.
CERS in the ARKK beyond today
| window | CERS return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −2.51% | −0.01 pts | +4.16 pts | #35 of 42 |
| 1 month | −5.23% | −0.06 pts | +16.85 pts | #41 of 42 |
| quarter to date | −6.85% | −0.04 pts | +6.61 pts | #31 of 42 |
| year to date | +32.04% | +0.09 pts | +10.51 pts | #25 of 42 |
Who moved with and against CERS today?
On CERS's side of the ARKK tape: AMZN (−0.04 pts), CRWV (−0.03 pts), AMD (−0.02 pts). Pulling the other way: CRCL (+0.22 pts), TSLA (+0.21 pts), COIN (+0.19 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/CERS, free to cite with attribution.