How much did KTOS move each index today?
ARKK: KTOS moved +1.03% and contributed +0.01 points of the index's +2.02-point move (0% of it), ranking #26 of 39 members by contribution to the move.
KTOS closed the 2026-10-09 session at 42.36; that day's move sits in the 66th percentile of its own past year. The stock is 67.6% below its 52-week closing high and −44.2% for the year so far.
KTOS in the ARKK beyond today
| window | KTOS return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −1.65% | −0.02 pts | −0.21 pts | #17 of 41 |
| 1 month | −9.83% | −0.09 pts | +6.56 pts | #37 of 41 |
| quarter to date | −0.77% | −0.01 pts | +0.52 pts | #25 of 41 |
| year to date | −44.20% | −0.52 pts | +12.70 pts | #38 of 41 |
Who moved with and against KTOS today?
On KTOS's side of the ARKK tape: CRSP (+0.20 pts), CRCL (+0.18 pts), TSLA (+0.18 pts). Pulling the other way: CBRS (−0.05 pts), AMD (−0.04 pts), NVDA (−0.01 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/KTOS, free to cite with attribution.