Thesis · AI Adoption, Productivity & Industry Transformation

Will at least three of MercadoLibre, Paycom, Salesforce and Lemonade report a fiscal 2026 operating margin at least 200 basis points above their fiscal 2025 level?

Companies that publicly attribute cost savings to internal AI deployment convert those savings into visible, audited operating margin expansion of at least two points within one fiscal year.

6 dated tests · 0 resolved · next on

The tests More theses in AI Adoption, Productivity & Industry Transformation

Who is on each side

The two sides.

Each side in DeepStack’s words, then the voices who argue it, attributed and paraphrased, dated where the date is known. A voice links to its page on DeepStack where one exists.

The case for yes

Firms expand margins from AI

Owned or deeply embedded AI tooling replaces support tickets, manual coding, claims handling and administrative review, so operating expense grows far slower than revenue at the specific firms making the AI efficiency claim. Audited fiscal 2026 income statements at named AI adopters show a step-change in operating margin, validating the firm-level version of the AI margin story.

The case for no

AI savings reinvested into growth, not margin, at these firms

Firms that spend AI-driven efficiency gains on handling more customer problems rather than cutting headcount grow faster, so heavy AI adopters among these names end up hiring more, not less, across engineering and the functions AI was supposed to replace. Voice-based AI costs roughly as much per day as a human agent, limiting the automation savings available to flow into reported margin. Under this view, fewer than three of MercadoLibre, Paycom, Salesforce and Lemonade expand operating margin by 200 basis points in fiscal 2026.

3 voices

Firms expand margins from AI

  1. Kris

    Mercado Libre deploys AI to automate repetitive functions and amplify developer productivity. Human-written code becomes the exception for the 20,000 developers using AI tools. AI-powered search improves conversion and ad click-through rates. An AI…

    Source

  2. Kevin Gee

    As AI advances, Bending Spoons leverages its technological foundations and talent density to automate development work, improve product optimization, and enhance marketing and monetization. This allows the company to accomplish more with fewer…

    Source

  3. Oguz Erkan

    AI-driven operating leverage in fintech

    Source

2 voices

AI savings reinvested into growth, not margin, at these firms

  1. Kris

    Firms that spend an efficiency gain on tackling more customer problems rather than on cutting headcount grow faster, so heavy AI adopters end up hiring more, not less, across engineering and the functions AI was supposed to replace.

    Source

  2. a16z New Media

    Voice-based AI costs roughly $92 per day, comparable to or slightly higher than human agent costs of $90 per day, making automation uneconomical in many cases. This differs from text-based AI like coding agents, which are orders of magnitude…

    Source

What would settle it

The dated tests.

Each test names the public source that settles it, the rule and the day. The Call’s number, the readers’ median and the machines’ numbers stand beside it, as on the Docket.

  1. Mastercard, operating cash flow as a share of revenue, quarter ended September 30, 2026: whether it comes in at or above 40%.

    On the Docket Pendingth105-t01Pre-specified

    Question
    Did the net cash from operating activities of Mastercard for the quarter ended September 30, 2026 come to at or above 40.0% of its revenue?
    Source
    SEC EDGAR, XBRL company facts of Mastercard (Forms 10-Q and 10-K)
    Rule
    Divide the net cash from operating activities by the revenue that Mastercard reports for the quarter ended September 30, 2026 in its 10-Q or 10-K filing on SEC EDGAR. The answer is yes if the ratio is at or above 40.0%; no if it is below 40.0%.
    If the source is late, revised or silent
    If Mastercard has not filed by November 16, 2026, or a filing restates a period the rule reads, the test is inconclusive, and the Result says what was read and what was missing.
    Base rate
    Mastercard's operating cash flow as a share of revenue was 40.7% for the quarter ended June 30, 2026, by its filing on SEC EDGAR.
    Outside view
    A year earlier, for the quarter ended June 30, 2025, the same line read 56.6%, so the rungs sit on the last print.
    What would change the number
    A change in product mix, a one-time charge, or a reclassified line would move the reading.

    The Call, before the dateExpects yes. Gives the yes answer 62%.

    62%

    0 · no100 · yes

    The machinesClaude 80% · DeepSeek 88%

    Claude: 80%DeepSeek: 88%
    The ladder 3 rungs on one reading, Oct 29, 2026: each asks whether it lands above its threshold, so the Call’s numbers down the rungs sketch where it expects the reading to land.

    1. Above 40%Call 62% · Claude 80% · DeepSeek 88%

      62%

    2. Above 43%Call 44% · Claude 32% · DeepSeek 85%

      44%

    3. Above 46%Call 28% · Claude 43% · DeepSeek 38%

      28%

    0 · no50100 · yes

    Your number

  2. Mastercard, operating cash flow as a share of revenue, quarter ended September 30, 2026: whether it comes in at or above 43%.

    On the Docket Pendingth105-t02Pre-specified

    Question
    Did the net cash from operating activities of Mastercard for the quarter ended September 30, 2026 come to at or above 43.0% of its revenue?
    Source
    SEC EDGAR, XBRL company facts of Mastercard (Forms 10-Q and 10-K)
    Rule
    Divide the net cash from operating activities by the revenue that Mastercard reports for the quarter ended September 30, 2026 in its 10-Q or 10-K filing on SEC EDGAR. The answer is yes if the ratio is at or above 43.0%; no if it is below 43.0%.
    If the source is late, revised or silent
    If Mastercard has not filed by November 16, 2026, or a filing restates a period the rule reads, the test is inconclusive, and the Result says what was read and what was missing.
    Base rate
    Mastercard's operating cash flow as a share of revenue was 40.7% for the quarter ended June 30, 2026, by its filing on SEC EDGAR.
    Outside view
    A year earlier, for the quarter ended June 30, 2025, the same line read 56.6%, so the rungs sit on the last print.
    What would change the number
    A change in product mix, a one-time charge, or a reclassified line would move the reading.

    The Call, before the dateExpects no. Gives the yes answer 44%.

    44%

    0 · no100 · yes

    The machinesClaude 32% · DeepSeek 85%

    Claude: 32%DeepSeek: 85%

    Your number

  3. Mastercard, operating cash flow as a share of revenue, quarter ended September 30, 2026: whether it comes in at or above 46%.

    On the Docket Pendingth105-t03Pre-specified

    Question
    Did the net cash from operating activities of Mastercard for the quarter ended September 30, 2026 come to at or above 46.0% of its revenue?
    Source
    SEC EDGAR, XBRL company facts of Mastercard (Forms 10-Q and 10-K)
    Rule
    Divide the net cash from operating activities by the revenue that Mastercard reports for the quarter ended September 30, 2026 in its 10-Q or 10-K filing on SEC EDGAR. The answer is yes if the ratio is at or above 46.0%; no if it is below 46.0%.
    If the source is late, revised or silent
    If Mastercard has not filed by November 16, 2026, or a filing restates a period the rule reads, the test is inconclusive, and the Result says what was read and what was missing.
    Base rate
    Mastercard's operating cash flow as a share of revenue was 40.7% for the quarter ended June 30, 2026, by its filing on SEC EDGAR.
    Outside view
    A year earlier, for the quarter ended June 30, 2025, the same line read 56.6%, so the rungs sit on the last print.
    What would change the number
    A change in product mix, a one-time charge, or a reclassified line would move the reading.

    The Call, before the dateExpects no. Gives the yes answer 28%.

    28%

    0 · no100 · yes

    The machinesClaude 43% · DeepSeek 38%

    Claude: 43%DeepSeek: 38%

    Your number

  4. Paychex, operating cash flow as a share of revenue, quarter ended November 30, 2026: whether it comes in at or above 26%.

    On the Docket Pendingth105-t04Pre-specified

    Question
    Did the net cash from operating activities of Paychex for the quarter ended November 30, 2026 come to at or above 26.0% of its revenue?
    Source
    SEC EDGAR, XBRL company facts of Paychex (Forms 10-Q and 10-K)
    Rule
    Divide the net cash from operating activities by the revenue that Paychex reports for the quarter ended November 30, 2026 in its 10-Q or 10-K filing on SEC EDGAR. The answer is yes if the ratio is at or above 26.0%; no if it is below 26.0%.
    If the source is late, revised or silent
    If Paychex has not filed by January 18, 2027, or a filing restates a period the rule reads, the test is inconclusive, and the Result says what was read and what was missing.
    Base rate
    Paychex's operating cash flow as a share of revenue was 26.2% for the quarter ended August 31, 2026, by its filing on SEC EDGAR.
    Outside view
    A year earlier, for the quarter ended August 31, 2025, the same line read 48.1%, so the rungs sit on the last print.
    What would change the number
    A change in product mix, a one-time charge, or a reclassified line would move the reading.

    The Call, before the dateExpects yes. Gives the yes answer 60%.

    60%

    0 · no100 · yes

    The machinesClaude 72% · DeepSeek 88%

    Claude: 72%DeepSeek: 88%
    The ladder 3 rungs on one reading, Dec 18, 2026: each asks whether it lands above its threshold, so the Call’s numbers down the rungs sketch where it expects the reading to land.

    1. Above 26%Call 60% · Claude 72% · DeepSeek 88%

      60%

    2. Above 28.5%Call 43% · Claude 40% · DeepSeek 35%

      43%

    3. Above 31%Call 26% · Claude 40% · DeepSeek 80%

      26%

    0 · no50100 · yes

    Your number

  5. Paychex, operating cash flow as a share of revenue, quarter ended November 30, 2026: whether it comes in at or above 28.5%.

    On the Docket Pendingth105-t05Pre-specified

    Question
    Did the net cash from operating activities of Paychex for the quarter ended November 30, 2026 come to at or above 28.5% of its revenue?
    Source
    SEC EDGAR, XBRL company facts of Paychex (Forms 10-Q and 10-K)
    Rule
    Divide the net cash from operating activities by the revenue that Paychex reports for the quarter ended November 30, 2026 in its 10-Q or 10-K filing on SEC EDGAR. The answer is yes if the ratio is at or above 28.5%; no if it is below 28.5%.
    If the source is late, revised or silent
    If Paychex has not filed by January 18, 2027, or a filing restates a period the rule reads, the test is inconclusive, and the Result says what was read and what was missing.
    Base rate
    Paychex's operating cash flow as a share of revenue was 26.2% for the quarter ended August 31, 2026, by its filing on SEC EDGAR.
    Outside view
    A year earlier, for the quarter ended August 31, 2025, the same line read 48.1%, so the rungs sit on the last print.
    What would change the number
    A change in product mix, a one-time charge, or a reclassified line would move the reading.

    The Call, before the dateExpects no. Gives the yes answer 43%.

    43%

    0 · no100 · yes

    The machinesClaude 40% · DeepSeek 35%

    Claude: 40%DeepSeek: 35%

    Your number

  6. Paychex, operating cash flow as a share of revenue, quarter ended November 30, 2026: whether it comes in at or above 31%.

    On the Docket Pendingth105-t06Pre-specified

    Question
    Did the net cash from operating activities of Paychex for the quarter ended November 30, 2026 come to at or above 31.0% of its revenue?
    Source
    SEC EDGAR, XBRL company facts of Paychex (Forms 10-Q and 10-K)
    Rule
    Divide the net cash from operating activities by the revenue that Paychex reports for the quarter ended November 30, 2026 in its 10-Q or 10-K filing on SEC EDGAR. The answer is yes if the ratio is at or above 31.0%; no if it is below 31.0%.
    If the source is late, revised or silent
    If Paychex has not filed by January 18, 2027, or a filing restates a period the rule reads, the test is inconclusive, and the Result says what was read and what was missing.
    Base rate
    Paychex's operating cash flow as a share of revenue was 26.2% for the quarter ended August 31, 2026, by its filing on SEC EDGAR.
    Outside view
    A year earlier, for the quarter ended August 31, 2025, the same line read 48.1%, so the rungs sit on the last print.
    What would change the number
    A change in product mix, a one-time charge, or a reclassified line would move the reading.

    The Call, before the dateExpects no. Gives the yes answer 26%.

    26%

    0 · no100 · yes

    The machinesClaude 40% · DeepSeek 80%

    Claude: 40%DeepSeek: 80%

    Your number

A thesis page states one question and both sides of it; DeepStack takes no side in words, and its view is the number it gives each test before the date. Analysis and opinion, not investment advice. Voices are paraphrased from public writing and attributed by name; DeepStack shows no score, ranking or accuracy for any person. Pre-specified means the words were approved on or before the test’s date. Specified after the date means they were written afterwards: such a test is counted and shown, and never rated. An open question has no words yet. The Call’s number is the chance, from 0 to 100, that the Call gives the yes answer to a test’s question, recorded before the test’s date; it is DeepStack’s own reading, not a market price and not advice. The readers’ mark on the same line is the readers’ median, the middle of the numbers signed-in readers gave the test, shown from 25 readers. The machines: Each model read this page and nothing else. The number that counts is the latest one each model gave before the test closed.