Newsletter Ad Report, November 2026
Which brands bought more newsletter ads in October, counted from 6,631 paid ads in the same 7,961 newsletters we read every month since August.
| Brand | Newsletters, Oct | Before | Share of all ads |
|---|---|---|---|
| Kalshi | 32 | 14 Aug | 1.0% |
| Wispr Flow | 102 | 66 Aug | 3.0% |
Kalshi ads ran in 32 newsletters in October, up from 14 in August
Same 7,961 newsletters each month · Nov 2, 2026
That was 64 ads, 1.0% of every newsletter ad on the panel in October, against 0.3% in September. Counting every newsletter we read that month, Kalshi ran 125 ads in 62 newsletters.
Wispr Flow ads ran in 102 newsletters in October, up from 66 in August
Same 7,961 newsletters each month · Nov 2, 2026
That was 201 ads, 3.0% of every newsletter ad on the panel in October, against 0.9% in September. Counting every newsletter we read that month, Wispr Flow ran 392 ads in 208 newsletters.
How we count
We read the public issues of the newsletters we track and count an ad when a tracking link, a sponsor label or ad wording backs it. How many newsletters we read changes from month to month, so every comparison here uses the 7,961 newsletters we read in each month from August to October. These are ads we saw, so they are a floor: ads in paid-only posts or unlabeled network buys are missed, and spend is not known. A brand is reported once it has 50 or more ads on the panel in the latest month. We re-read the data a few times a month and add findings as they clear.
Cite this report
"Newsletter Ad Report, November 2026", Book a Sponsor, updated 2 November 2026, https://bookasponsor.com/reports/newsletter-ads-2026-11
Use the charts and numbers with a link to this page or to a finding's own section. More of our data is on the newsletter sponsorship statistics page.
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