GPROVSNSSC• 28 Days (Normalized)
GPRO vs NSSC (GoPro Inc. vs NAPCO Security Technologies Inc.)
Showing Closing Date Range from Aug, 14 to Sep, 11, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GPRO Performance $1.38
+131.93%
GoPro Inc.
Normalized Baseline0.00%
NSSC Performance $36.26
-5.38%
NAPCO Security Technologies Inc.
Normalized Baseline0.00%
Alpha Spread Margin GPRO LEADS
+137.31%
GPRO outperforming by 137.31%
GPRONSSC
Spread Trajectory28 Days (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(20 dates)
| Date | GPRO Price | GPRO Gain (%) | NSSC Price | NSSC Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 11, 2026 | $1.38 | +131.93% | $36.26 | -5.38% | +137.31% |
| Sep 10, 2026 | $1.40 | +135.29% | $35.51 | -7.33% | +142.62% |
| Sep 09, 2026 | $1.42 | +137.82% | $35.91 | -6.29% | +144.11% |
| Sep 08, 2026 | $1.46 | +144.54% | $37.09 | -3.21% | +147.75% |
| Sep 04, 2026 | $1.70 | +185.71% | $37.01 | -3.42% | +189.13% |
| Sep 03, 2026 | $1.39 | +133.61% | $37.05 | -3.31% | +136.92% |
| Sep 02, 2026 | $1.69 | +184.03% | $35.65 | -6.97% | +191.00% |
| Sep 01, 2026 | $1.23 | +106.72% | $35.24 | -8.04% | +114.76% |
| Aug 31, 2026 | $0.88 | +47.23% | $36.24 | -5.43% | +52.66% |
| Aug 28, 2026 | $0.60 | +0.84% | $35.35 | -7.75% | +8.59% |
| Aug 27, 2026 | $0.61 | +1.68% | $35.28 | -7.93% | +9.61% |
| Aug 26, 2026 | $0.60 | +0.34% | $35.73 | -6.76% | +7.10% |
| Aug 25, 2026 | $0.61 | +2.18% | $36.43 | -4.93% | +7.11% |
| Aug 24, 2026 | $0.60 | +0.84% | $37.59 | -1.91% | +2.75% |
| Aug 21, 2026 | $0.63 | +5.88% | $38.09 | -0.60% | +6.48% |
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