ACAVSPACB• 28 Days (Normalized)
ACA vs PACB (Arcosa Inc. vs Pacific Biosciences of California Inc.)
Showing Closing Date Range from Sep 10 to Oct 8, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
ACA Performance $146.5
+0.86%
Arcosa Inc.
Normalized Baseline0.00%
PACB Performance $2.3
+81.1%
Pacific Biosciences of California Inc.
Normalized Baseline0.00%
Alpha Spread Margin PACB LEADS
-80.24 pts
PACB outperforming by 80.24 percentage points
ACAPACB
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
ACA PACB
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(21 dates)
| Date | ACA Price | ACA Gain (%) | PACB Price | PACB Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 08, 2026 | $146.50 | +0.86% | $2.30 | +81.10% | -80.24% |
| Oct 07, 2026 | $146.40 | +0.79% | $2.72 | +114.17% | -113.38% |
| Oct 06, 2026 | $146.50 | +0.86% | $2.70 | +112.60% | -111.74% |
| Oct 05, 2026 | $146.75 | +1.03% | $2.87 | +125.98% | -124.95% |
| Oct 02, 2026 | $146.50 | +0.86% | $2.54 | +100.00% | -99.14% |
| Oct 01, 2026 | $146.50 | +0.86% | $2.51 | +97.64% | -96.78% |
| Sep 30, 2026 | $146.15 | +0.62% | $2.37 | +86.61% | -85.99% |
| Sep 29, 2026 | $146.00 | +0.52% | $1.83 | +44.09% | -43.57% |
| Sep 28, 2026 | $146.53 | +0.88% | $1.71 | +34.65% | -33.77% |
| Sep 25, 2026 | $146.62 | +0.94% | $- | - | |
| Sep 24, 2026 | $- | $1.46 | +14.57% | - | |
| Sep 23, 2026 | $146.50 | +0.86% | $1.41 | +11.02% | -10.16% |
| Sep 22, 2026 | $146.60 | +0.93% | $- | - | |
| Sep 21, 2026 | $146.22 | +0.67% | $1.36 | +7.09% | -6.42% |
| Sep 18, 2026 | $145.84 | +0.41% | $1.37 | +7.87% | -7.46% |
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