IPDNVSREFR• 28 Days (Normalized)

IPDN vs REFR (Professional Diversity Network Inc. vs Research Frontiers Incorporated)

Showing Closing Date Range from Sep 11 to Oct 9, 2026.

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

IPDN Performance $4.21
+3408.33%
Professional Diversity Network Inc.
Normalized Baseline0.00%
REFR Performance $0.62
+59.59%
Research Frontiers Incorporated
Normalized Baseline0.00%
Alpha Spread Margin IPDN LEADS
+3348.74 pts
IPDN outperforming by 3348.74 percentage points
IPDNREFR
Spread Trajectory28 Days (Normalized)

Cumulative Performance Trajectory

Interactive divergence comparison normalized at 0.00% on start date.

IPDN REFR

Comparative Historical Ledger

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

Historical Quotes & Breakdown(19 dates)
DateIPDN PriceIPDN Gain (%)REFR PriceREFR Gain (%)Spread
Oct 08, 2026$4.21+3408.33% $0.62+59.59% +3348.74%
Oct 07, 2026$4.31+3491.67% $0.68+75.28% +3416.39%
Oct 06, 2026$4.61+3741.67% $0.72+83.72% +3657.95%
Oct 05, 2026$3.10+2483.33% $0.73+86.72% +2396.61%
Oct 02, 2026$3.22+2583.33% $0.73+86.82% +2496.51%
Oct 01, 2026$3.19+2558.33% $--
Sep 30, 2026$3.54+2850.00% $--
Sep 29, 2026$3.55+2858.33% $--
Sep 28, 2026$3.89+3141.67% $--
Sep 24, 2026$-$0.74+89.92% -
Sep 23, 2026$5.42+4416.67% $0.71+82.05% +4334.62%
Sep 22, 2026$3.90+3150.00% $0.78+100.00% +3050.00%
Sep 21, 2026$3.36+2700.00% $0.76+94.87% +2605.13%
Sep 18, 2026$3.38+2716.67% $0.65+66.67% +2650.00%
Sep 17, 2026$3.44+2766.67% $0.39+0.00% +2766.67%
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