BHI 3.1·Q2 2026 Bulletin
Published Jun 4 2026·Spearman ρ = 0.77·Validation: preliminary
Today's bulletin →
Movers · Q2 2026 · Jun 4 2026
§ 08 · SECTOR DEEP DIVE · 13 PLATFORMS

Fintech & Payments

Network rails to checkout buttons. Lock-in hierarchy from maximum to commodity.

13
Platforms
4.10
Mean B
2.89
Median B
13/13
Above B = 1
Key Structural Finding

Fintech lock-in hierarchy is precise: network rails (Visa/MC) > developer infra (Stripe) > primary banking (Nubank) > merchant POS (Block) > commodity checkout (PayPal). PayPal's decline illustrates structural erosion when substitutability rises. Nubank's $68B is justified by deepest personal financial lock-in: being someone's only bank, only credit card, only savings account.

Sector RankingsVisa (8.82) to PayPal (1.14)

#PlatformTickerMkt CapCaptureEscapeBZone
01VisaV$579B2.150.248.82BLACK HOLE
02M-PesaSCOM.NR$10B2.320.288.16BLACK HOLE
03MastercardMA$462B2.000.258.14BLACK HOLE
04NubankNU$68-72B1.800.345.21BLACK HOLE
05AdyenADYEN.AS$36B1.830.365.10BLACK HOLE
06StripePrivate$159B1.610.443.67BLACK HOLE
07PlaidPrivate$13-15B1.290.452.89BLACK HOLE
08RevolutPrivate$75B1.310.462.87BLACK HOLE
09Block (Square)XYZ$39B1.270.452.81BLACK HOLE
10WiseWISE.L$13B1.010.561.80EVENT HORIZON
11MarqetaMQ$1.85B0.810.541.52EVENT HORIZON
12RobinhoodHOOD$64B0.720.621.16TRANSITION
13PayPalPYPL$42B0.720.641.14TRANSITION

B-Index Distribution

0129B=1VisaPayPalPlatforms ranked by B-indexB-index

Mean Parameter Profile

DATA
7.2
MEM
6.5
ACT
7.3
PROC
7.7
NET
7.2
CLOSE
7.5
PORT
4.0
SUB
4.6
FALL
4.5
ORG
6.5
MOM
5.8
Capture Escape Extended