GPROVSNSSC• 12 Months (Normalized)
GPRO vs NSSC (GoPro Inc. vs NAPCO Security Technologies Inc.)
Showing Closing Date Range from Sep, 16, 2025 to Sep, 16, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GPRO Performance $1.27
-45.49%
GoPro Inc.
Normalized Baseline0.00%
NSSC Performance $36.33
-15.37%
NAPCO Security Technologies Inc.
Normalized Baseline0.00%
Alpha Spread Margin NSSC LEADS
-30.12%
NSSC outperforming by 30.12%
GPRONSSC
Spread Trajectory12 Months (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
GPRO NSSC
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(252 dates)
| Date | GPRO Price | GPRO Gain (%) | NSSC Price | NSSC Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 16, 2026 | $1.27 | -45.49% | $36.33 | -15.37% | -30.12% |
| Sep 15, 2026 | $1.32 | -43.35% | $35.95 | -16.26% | -27.09% |
| Sep 14, 2026 | $1.35 | -42.06% | $35.86 | -16.47% | -25.59% |
| Sep 11, 2026 | $1.38 | -40.77% | $36.26 | -15.54% | -25.23% |
| Sep 10, 2026 | $1.40 | -39.91% | $35.51 | -17.28% | -22.63% |
| Sep 09, 2026 | $1.42 | -39.27% | $35.91 | -16.35% | -22.92% |
| Sep 08, 2026 | $1.46 | -37.55% | $37.09 | -13.60% | -23.95% |
| Sep 04, 2026 | $1.70 | -27.04% | $37.01 | -13.79% | -13.25% |
| Sep 03, 2026 | $1.39 | -40.34% | $37.05 | -13.70% | -26.64% |
| Sep 02, 2026 | $1.69 | -27.47% | $35.65 | -16.96% | -10.51% |
| Sep 01, 2026 | $1.23 | -47.21% | $35.24 | -17.91% | -29.30% |
| Aug 31, 2026 | $0.88 | -62.40% | $36.24 | -15.58% | -46.82% |
| Aug 28, 2026 | $0.60 | -74.25% | $35.35 | -17.66% | -56.59% |
| Aug 27, 2026 | $0.61 | -74.03% | $35.28 | -17.82% | -56.21% |
| Aug 26, 2026 | $0.60 | -74.38% | $35.73 | -16.77% | -57.61% |
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