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 PROFILECPNG

Coupang

$38BSouth Korea dominantE-Commerce
3.72
B-index (V3.1)
BLACK HOLE
Capture1.399
Escape0.376
Key Structural Insight

Single-market Amazon with 93% renewal. Leaving = accepting 2-3 day delivery when neighbors get hours.

Eleven-Parameter Profile

5DATAMEMACTPROCNETCLOSEPORTSUBFALLORGMOM
Data Depth7/10
Memory6/10
Action7/10
Process8/10
Network7/10
Closeness8/10
Portability4/10
Substitutability3/10
Human Fallback4/10
Org Depth6/10
Momentum6/10
Capture Escape Extended

V3.1 Decomposition

ComponentValueFormula
CES₄ capture core0.6982CES(d, m, a, p)
Knowledge synergy σₖ0.6481√(d · m)
Operability synergy σₒ0.7483√(a · p)
Synergy boost1.20951 + 0.3·(σₖ + σₒ)/2
Org-depth multiplier1.30001 + 0.5·o
Momentum multiplier1.18001 + 0.3·t
Total Capture1.3990c·(1+0.5n)·core·syn·org·mom
CES₃ escape core0.3651CES(x, s, h)
Feedback attenuation0.7556max(0.3, 1 − 0.35·core)
Total Escape0.3759ε + escCore · feedback
B = Capture / Escape3.721.399 / 0.376

Scoring Rationale

Dominant Korea. Rocket Delivery same-day/next-day. Coupang Play, Eats. 93% membership renewal. 99.6% of population within 7 miles of logistics center.

Parameter Sensitivity

MARGINAL B-INDEX CHANGE PER ±1 SCORE SHIFT
CLOSE8
+0.93
SUB3
-0.56
PORT4
-0.48
FALL4
-0.48
MEM6
+0.41
ACT7
+0.38
DATA7
+0.37
PROC8
+0.35
ORG6
+0.29
NET7
+0.28
MOM6
+0.19
+ raises B (deepens lock-in) lowers B (aids escape)

Comparable PlatformsE-Commerce (7 peers)

#PlatformTickerB-indexZone
01Amazon MarketplaceAMZN7.77BLACK HOLEProfile →
02MercadoLibreMELI5.87BLACK HOLEProfile →
03Alibaba/TaobaoBABA4.97BLACK HOLEProfile →
04ShopifySHOP3.15BLACK HOLEProfile →
05Shopee/SeaSE3.03BLACK HOLEProfile →
06PDD/TemuPDD1.86EVENT HORIZONProfile →
07eBayEBAY1.71EVENT HORIZONProfile →