ATECVSRARE• 28 Days (Normalized)
Alphatec Holdings Inc. logo
Ultragenyx Pharmaceutical Inc. logo

ATEC vs RARE (Alphatec Holdings Inc. vs Ultragenyx Pharmaceutical Inc.)

Showing Closing Date Range from Aug, 17 to Sep, 14, 2026.

Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.

ATEC Performance $10.7
+13.23%
Alphatec Holdings Inc.
Normalized Baseline0.00%
RARE Performance $13.91
-46.79%
Ultragenyx Pharmaceutical Inc.
Normalized Baseline0.00%
Alpha Spread Margin ATEC LEADS
+60.02%
ATEC outperforming by 60.02%
ATECRARE
Spread Trajectory28 Days (Normalized)

Cumulative Performance Trajectory

Interactive divergence comparison normalized at 0.00% on start date.

ATEC RARE

Comparative Historical Ledger

Daily closing prices, normalized percentages, and relative spread divergence.

Historical Quotes & Breakdown(20 dates)
DateATEC PriceATEC Gain (%)RARE PriceRARE Gain (%)Spread
Sep 14, 2026$10.70+13.23% $13.91-46.79% +60.02%
Sep 11, 2026$10.58+11.96% $14.30-45.27% +57.23%
Sep 10, 2026$8.84-6.46% $14.40-44.89% +38.43%
Sep 09, 2026$8.99-4.87% $14.31-45.24% +40.37%
Sep 08, 2026$9.19-2.75% $14.88-43.05% +40.30%
Sep 04, 2026$9.45+0.00% $15.30-41.45% +41.45%
Sep 03, 2026$9.33-1.27% $14.85-43.17% +41.90%
Sep 02, 2026$9.19-2.75% $26.53+1.53% -4.28%
Sep 01, 2026$9.21-2.54% $25.81-1.22% -1.32%
Aug 31, 2026$9.37-0.85% $25.21-3.52% +2.67%
Aug 28, 2026$9.44-0.11% $25.61-1.99% +1.88%
Aug 27, 2026$9.57+1.27% $26.26+0.50% +0.77%
Aug 26, 2026$9.42-0.32% $26.44+1.19% -1.51%
Aug 25, 2026$9.33-1.27% $26.46+1.26% -2.53%
Aug 24, 2026$9.24-2.22% $25.72-1.57% -0.65%
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