Analytics for Finance Substack

1,229 authors tracked and ranked, daily.

MarketStack maps and structures data from the Finance Substack ecosystem. The MarketStack Index (MSI) quantifies real-time influence according to paid readership.

Equities · Software / SaaS / Cloud

PYPL PayPal Holdings Digital payments — checkout, P2P (Venmo)

#1Michael Burry

“PayPal is one of the cheapest quality businesses in the portfolio.”

FX & Macro

USD/JPY US Dollar / Japanese Yen G10 currency pair — dollar vs yen

#542Michael J. Kramer

“USD/JPY looks like the breakout is starting.”

The MarketStack Index · Top 10

Index computed 25 July 2026, 11:15-12:15 UTC · Next update 26 July 2026, 11:15-12:15 UTC

#	Author	Score	Mass	Velocity
1	Michael Burry Cassandra Unchained	94.7	99.0	77.6
2	Citrini Citrini Research	83.3	100.0	16.7
3	TMT Breakout	80.7	93.1	31.3
4	James Bulltard The Running Of The Bulltards	79.4	96.7	10.3
5	FUNDA	79.1	87.9	43.9
6	Doomberg	78.4	98.0	0.0
7	Michael Howell Capital Wars	78.0	96.1	5.7
8	Capital Flows	78.0	86.6	43.8
9	Compounding Quality	77.1	95.1	5.1
10	Adam Mancini S&P 500 Trade Companion	76.7	92.8	12.2

Ranks 11–1,229 are for MarketStack Pro members.

Methodology. Each Index Score blends durability — sustained presence on Substack's Bestsellers board — with momentum — how fast an author is climbing the Rising board — weighted toward durability, with older activity fading gradually rather than dropping off a cliff. 1,229 authors tracked; tracking began March 2026.

Structured Sentiment & Positions

PositionWire

MarketStack does not give investment advice.

AI, Tech & Semis

GOOGL Alphabet (Class A) Google search, Cloud, YouTube, Waymo — voting shares

#49Tae Kim

“Google Is a Secular Short”

Commodities & Precious Metals

SILVER Silver (physical) spot/physical silver

#59Alyosha

“Silver is turning higher from extremely oversold territory.”

AI, Tech & Semis

META Meta Platforms Facebook/Instagram/WhatsApp + Reality Labs + LLaMA

#231Archetype Capital

“$META is far superior than $NBIS as an investment at this price.”

PositionWire History

PositionHistory

Structured, searchable data around author positioning and sentiment.

Sector	Mon	Tue	Wed	Thu	Fri	Sat	Sun
AI, Tech & Semis	41L·9S	58L·12S·5C	29L·6S	63L·11S·3C	47L·15S·2C	18L·4S	14L·3S
Space & Defense	3L	7L·1S	2L	6L·2S	4L	1L	—
Indices & Broad ETFs	6L·2S	14L·3S·1C	4L	12L·2S	9L·4S	3L	2L
Commodities & Precious Metals	12L·2S	28L·4S	15L·1S	33L·5S	19L·3S	7L·1S	5L
Crypto & Digital Assets	9L·2S	16L·3S	6L·1S	14L·4S	11L·2S	13L·3S	10L·2S
Energy & Industrials	19L·3S	44L·6S·2C	22L·2S	51L·4S·5C	27L·3S	9L·1S	6L
Consumer & Healthcare	11L·2S	19L·3S·1C	8L·1S	22L·3S	15L·2S	5L	4L
Financials	7L·1S	15L·2S	5L	13L·3S	9L·2S	2L	1L
International & EM	8L·1S	13L·2S	5L	10L·3S	7L·1S	3L	2L
FX, Rates & Income	4L·1S	9L·2S	3L	8L·2S	6L·1S	2L	1L

Illustrative sample — sentiment and positions tracked daily since 1 July 2026. See the full, live board inside MarketStack Pro.

Structured, Longitudinal, and Searchable Data

Every day, a growing number of data pipelines organise and classify the ecosystem, including new posts by topic, decay-weighting each author's presence into the Index, and extracting ticker mentions and verified position calls from the live feed.

1,229

Authors mapped daily

602

Tickers tracked across the roster

32,625

Live feed posts classified

130

Days of Rising history logged

1,075

Tickers tracked in PositionWire

Days of PositionWire history logged