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 PROFILESCHW

Charles Schwab

$140B35M+ brokerage accountsBanks & Financial Markets
2.26
B-index (V3.1)
EVENT HORIZON
Capture1.145
Escape0.507
Key Structural Insight

Retirement account lock-in is structural. Moving a 401(k) is technically possible but psychologically prohibitive.

Eleven-Parameter Profile

5DATAMEMACTPROCNETCLOSEPORTSUBFALLORGMOM
Data Depth7/10
Memory6/10
Action7/10
Process7/10
Network7/10
Closeness7/10
Portability5/10
Substitutability5/10
Human Fallback6/10
Org Depth6/10
Momentum5/10
Capture Escape Extended

V3.1 Decomposition

ComponentValueFormula
CES₄ capture core0.6743CES(d, m, a, p)
Knowledge synergy σₖ0.6481√(d · m)
Operability synergy σₒ0.7000√(a · p)
Synergy boost1.20221 + 0.3·(σₖ + σₒ)/2
Org-depth multiplier1.30001 + 0.5·o
Momentum multiplier1.15001 + 0.3·t
Total Capture1.1452c·(1+0.5n)·core·syn·org·mom
CES₃ escape core0.5323CES(x, s, h)
Feedback attenuation0.7640max(0.3, 1 − 0.35·core)
Total Escape0.5067ε + escCore · feedback
B = Capture / Escape2.261.145 / 0.507

Scoring Rationale

35M+ accounts. TD Ameritrade merged. thinkorswim platform with deep customization. Retirement accounts (IRA, 401k) create long-term lock-in. ACATS enables transfer but accumulated setup lost.

Parameter Sensitivity

MARGINAL B-INDEX CHANGE PER ±1 SCORE SHIFT
CLOSE7
+0.65
MEM6
+0.25
PORT5
-0.24
SUB5
-0.24
ACT7
+0.23
PROC7
+0.23
DATA7
+0.23
FALL6
-0.22
ORG6
+0.17
NET7
+0.17
MOM5
+0.12
+ raises B (deepens lock-in) lowers B (aids escape)

Comparable PlatformsBanks & Financial Markets (7 peers)

#PlatformTickerB-indexZone
01Bloomberg TerminalPrivate7.21BLACK HOLEProfile →
02SWIFT-6.78BLACK HOLEProfile →
03JPMorgan ChaseJPM6.13BLACK HOLEProfile →
04BlackRockBLK5.21BLACK HOLEProfile →
05Goldman SachsGS4.11BLACK HOLEProfile →
06Interactive BrokersIBKR2.49EVENT HORIZONProfile →
07Refinitiv/LSEGLSEG.L2.19EVENT HORIZONProfile →