GTBPVSREFR• 28 Days (Normalized)
GTBP vs REFR (GT Biopharma Inc. vs Research Frontiers Incorporated)
Showing Closing Date Range from Sep 2 to Sep 30, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
GTBP Performance $6.88
+2329.33%
GT Biopharma Inc.
Normalized Baseline0.00%
REFR Performance $0.74
+%
Research Frontiers Incorporated
Normalized Baseline0.00%
Alpha Spread Margin GTBP LEADS
+2329.33 pts
GTBP outperforming by 2329.33 percentage points
GTBPREFR
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
GTBP REFR
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(19 dates)
| Date | GTBP Price | GTBP Gain (%) | REFR Price | REFR Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 29, 2026 | $6.88 | +2329.33% | $- | - | |
| Sep 28, 2026 | $6.80 | +2302.83% | $- | - | |
| Sep 25, 2026 | $6.89 | +2334.63% | $- | - | |
| Sep 24, 2026 | $6.83 | +2313.43% | $0.74 | +85.18% | +2228.25% |
| Sep 23, 2026 | $7.10 | +2408.83% | $0.71 | +77.50% | +2331.33% |
| Sep 22, 2026 | $- | $0.78 | +95.00% | - | |
| Sep 21, 2026 | $7.18 | +2437.10% | $0.76 | +90.00% | +2347.10% |
| Sep 18, 2026 | $7.16 | +2430.04% | $0.65 | +62.50% | +2367.54% |
| Sep 17, 2026 | $7.49 | +2546.64% | $0.39 | -2.50% | +2549.14% |
| Sep 16, 2026 | $7.81 | +2659.72% | $0.38 | -5.00% | +2664.72% |
| Sep 15, 2026 | $9.00 | +3080.21% | $0.36 | -10.00% | +3090.21% |
| Sep 14, 2026 | $11.63 | +4009.54% | $0.38 | -5.00% | +4014.54% |
| Sep 11, 2026 | $8.61 | +2942.40% | $0.39 | -2.50% | +2944.90% |
| Sep 10, 2026 | $6.18 | +2083.75% | $0.39 | -2.50% | +2086.25% |
| Sep 09, 2026 | $5.98 | +2013.07% | $0.39 | -2.50% | +2015.57% |
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