SDVSSRFM• 28 Days (Normalized)
SD vs SRFM (SandRidge Energy Inc. vs Surf Air Mobility Inc.)
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.
SD Performance $13.84
-5.4%
SandRidge Energy Inc.
Normalized Baseline0.00%
SRFM Performance $0.95
+85.82%
Surf Air Mobility Inc.
Normalized Baseline0.00%
Alpha Spread Margin SRFM LEADS
-91.22 pts
SRFM outperforming by 91.22 percentage points
SDSRFM
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
SD SRFM
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(21 dates)
| Date | SD Price | SD Gain (%) | SRFM Price | SRFM Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 09, 2026 | $13.84 | -5.40% | $0.95 | +85.82% | -91.22% |
| Oct 08, 2026 | $14.07 | -3.83% | $0.93 | +82.71% | -86.54% |
| Oct 07, 2026 | $13.72 | -6.22% | $0.91 | +79.37% | -85.59% |
| Oct 06, 2026 | $13.76 | -5.95% | $1.01 | +98.43% | -104.38% |
| Oct 05, 2026 | $13.72 | -6.22% | $0.89 | +75.05% | -81.27% |
| Oct 02, 2026 | $13.62 | -6.90% | $0.97 | +90.96% | -97.86% |
| Oct 01, 2026 | $13.56 | -7.31% | $1.13 | +122.00% | -129.31% |
| Sep 30, 2026 | $13.49 | -7.79% | $1.20 | +135.76% | -143.55% |
| Sep 29, 2026 | $13.42 | -8.27% | $1.20 | +135.76% | -144.03% |
| Sep 28, 2026 | $13.60 | -7.04% | $1.19 | +133.79% | -140.83% |
| Sep 25, 2026 | $13.87 | -5.19% | $1.11 | +118.07% | -123.26% |
| Sep 24, 2026 | $14.17 | -3.14% | $0.92 | +81.14% | -84.28% |
| Sep 23, 2026 | $14.03 | -4.10% | $0.88 | +73.67% | -77.77% |
| Sep 22, 2026 | $14.06 | -3.90% | $0.77 | +51.28% | -55.18% |
| Sep 21, 2026 | $13.98 | -4.44% | $0.67 | +31.63% | -36.07% |
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