How much did ACHR move each index today?
ARKK: ACHR moved −1.73% and contributed −0.02 points against the index's +2.51-point move, offsetting 1% of it, ranking #42 of 43 members by contribution to the move.
ACHR closed the 2026-08-25 session at 5.97; that day's move sits in the 40th percentile of its own past year. The stock is 56.3% below its 52-week closing high and −20.7% for the year so far.
ACHR in the ARKK beyond today
| window | ACHR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −5.62% | −0.04 pts | +7.28 pts | #33 of 43 |
| 1 month | +20.51% | +0.25 pts | +13.90 pts | #18 of 43 |
| quarter to date | +26.11% | +0.29 pts | +5.61 pts | #13 of 43 |
| year to date | −20.68% | −0.16 pts | +9.51 pts | #34 of 43 |
Who moved with and against ACHR today?
On ACHR's side of the ARKK tape: PLTR (−0.05 pts), CBRS (−0.01 pts), NET (−0.01 pts). Pulling the other way: CRSP (+0.26 pts), TWST (+0.25 pts), HOOD (+0.25 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/ACHR, free to cite with attribution.