Henrik Zeberg is the Finance row on the August 27, 2026 Substack by Category board, listed at rank 1 like every other row. The feed mixes category leaders, so all 10 entries show rank 1. Versus August 26, Marcus on AI, Dean Blundell, and Adam Kinzinger dropped off the mixed 10. GUAP and Bernie Miklasz overlap the overall Substack list.
Top trending newsletters on Substack by Category: August 27
Henrik Zeberg (Finance): Macro newsletter. An August 13 paid post titled "A New Inflationary Regime Has Been Born" is on the archive. New versus yesterday's mixed 10.
GUAP (Music): Music newsletter that also sits at rank 7 on the overall Substack board. New on this mixed list.
Penni Shelton (Faith & Spirituality): Faith newsletter, new at this slot.
Escalation Trap (World Politics): Politics newsletter that also appeared on the August 26 mixed list.
Compositionally Inclined (Art & Illustration): Art newsletter, new here.
Stanford GSB Professor on Startups & Investors (Business): Holdover from August 26's mixed 10.
Marcus on AI (Technology): Holdover that led yesterday's mixed list; it is still present, now further down this 10-row mix.
Bernie Miklasz (Sports): Sports newsletter that holds rank 2 on the overall Substack board.
The Crucial Years (Climate & Environment): Climate newsletter, new here.
The Wright Report (News): News newsletter, new here. A Substack trending API page covers the sibling overall feed.
The live ranked board beyond today's top 10 is available via the Trends MCP API. Get your free API key
What changed on Substack by Category since yesterday
New versus the August 26 mixed 10: Henrik Zeberg, GUAP, Penni Shelton, Compositionally Inclined, The Crucial Years, The Wright Report.
Holdovers: Escalation Trap, Stanford GSB Professor on Startups & Investors, Marcus on AI, Bernie Miklasz.
Drop-offs from yesterday's mixed 10: Dean Blundell, Le Freak Chic, The Needlepoint Finishing Club, Unhappy Place, Adam Kinzinger, eugyppius: a plague chronicle.
Because every row is rank 1, "big movers" are membership changes, not rank deltas.
What today's Substack by Category board reveals
Calling get_top_trends without a category argument returns one leader per vertical, all labeled rank 1. That is a catalog of 10 category winners, not a 1-10 overall ranking. Six of the 10 names are new versus August 26, a 60 percent membership turnover even with every rank printed as 1.
Overlap with the overall Substack post is the useful check: GUAP (Music) and Bernie Miklasz (Sports) appear on both. Henrik Zeberg does not appear on the overall 1-10. His August 13 inflation post is the last dated Finance note found. Marcus on AI remains on this mix after leading yesterday's 10-row file, which is membership persistence rather than a rank drop.
Track these trends in real time with Trends MCP
This ranked list came from the Trends MCP get_top_trends feed for Substack by Category with limit 10 and no category filter. The call is documented as mixing boards when category is omitted. The matching overall page is Substack trending API.
{
"type": "Substack by Category",
"limit": 10
}