BHI 3.0·Q1 2026 Bulletin
Last computed 14:32 UTC, Apr 29 2026·Spearman ρ = 0.83·Validation: preliminary
Today's bulletin →
Movers · since 14:32 UTC, Apr 29 2026
PLATFORM PROFILEGS

Goldman Sachs

$170BInvestment banking leaderBanks & Financial Markets
4.11
B-index (V3.1)
BLACK HOLE
Capture1.506
Escape0.366
Key Structural Insight

Relationship-based lock-in. Switching investment banks means re-establishing trust with an entire organization.

Eleven-Parameter Profile

5DATAMEMACTPROCNETCLOSEPORTSUBFALLORGMOM
Data Depth8/10
Memory7/10
Action8/10
Process8/10
Network8/10
Closeness7/10
Portability3/10
Substitutability4/10
Human Fallback4/10
Org Depth8/10
Momentum5/10
Capture Escape Extended

V3.1 Decomposition

ComponentValueFormula
CES₄ capture core0.7744CES(d, m, a, p)
Knowledge synergy σₖ0.7483√(d · m)
Operability synergy σₒ0.8000√(a · p)
Synergy boost1.23221 + 0.3·(σₖ + σₒ)/2
Org-depth multiplier1.40001 + 0.5·o
Momentum multiplier1.15001 + 0.3·t
Total Capture1.5056c·(1+0.5n)·core·syn·org·mom
CES₃ escape core0.3651CES(x, s, h)
Feedback attenuation0.7290max(0.3, 1 − 0.35·core)
Total Escape0.3661ε + escCore · feedback
B = Capture / Escape4.111.506 / 0.366

Scoring Rationale

Investment banking, trading, asset management, prime brokerage. Corporate relationships built over decades. GS Transaction Banking growing. Marquee platform for institutional clients.

Parameter Sensitivity

MARGINAL B-INDEX CHANGE PER ±1 SCORE SHIFT
CLOSE7
+1.17
PORT3
-0.62
FALL4
-0.53
SUB4
-0.53
MEM7
+0.41
ACT8
+0.38
PROC8
+0.38
DATA8
+0.38
NET8
+0.29
ORG8
+0.29
MOM5
+0.21
+ raises B (deepens lock-in) lowers B (aids escape)

Comparable PlatformsBanks & Financial Markets (7 peers)

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