

COSTVSTSM• 28 Days (Normalized)
COST vs TSM (Costco Wholesale Corporation vs Taiwan Semiconductor Manufacturing Co.)
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
COST Performance $915.74
-3.38%
Costco Wholesale Corporation
Normalized Baseline0.00%
TSM Performance $428.91
+2.11%
Taiwan Semiconductor Manufacturing Co.
Normalized Baseline0.00%
Alpha Spread Margin TSM LEADS
-5.49%
TSM outperforming by 5.49%
COSTTSM
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
COST TSM
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(21 dates)
| Date | COST Price | COST Gain (%) | TSM Price | TSM Gain (%) | Spread |
|---|---|---|---|---|---|
| Aug 07, 2026 | $947.82 | +0.00% | $420.04 | +0.00% | +0.00% |
| Aug 10, 2026 | $952.75 | +0.52% | $418.47 | -0.37% | +0.89% |
| Aug 11, 2026 | $944.32 | -0.37% | $422.06 | +0.48% | -0.85% |
| Aug 12, 2026 | $949.58 | +0.19% | $429.15 | +2.17% | -1.98% |
| Aug 13, 2026 | $961.85 | +1.48% | $430.49 | +2.49% | -1.01% |
| Aug 14, 2026 | $961.10 | +1.40% | $426.35 | +1.50% | -0.10% |
| Aug 17, 2026 | $953.50 | +0.60% | $430.97 | +2.60% | -2.00% |
| Aug 18, 2026 | $961.35 | +1.43% | $413.41 | -1.58% | +3.01% |
| Aug 19, 2026 | $956.99 | +0.97% | $412.09 | -1.89% | +2.86% |
| Aug 20, 2026 | $933.51 | -1.51% | $416.00 | -0.96% | -0.55% |
| Aug 21, 2026 | $947.74 | -0.01% | $418.95 | -0.26% | +0.25% |
| Aug 24, 2026 | $971.40 | +2.49% | $410.12 | -2.36% | +4.85% |
| Aug 25, 2026 | $960.01 | +1.29% | $417.41 | -0.63% | +1.92% |
| Aug 26, 2026 | $956.12 | +0.88% | $417.69 | -0.56% | +1.44% |
| Aug 27, 2026 | $934.66 | -1.39% | $427.30 | +1.73% | -3.12% |
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