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The Tabularium · Call 2026-07-02-03Hit

The 20 July U.S.–Mexico USMCA round will conclude without a finalized rules-of-origin agreement; talks continue into a further round.

Illicit Trade / Econ SecurityNorth AmericaUnited StatesMexico
Issued No. 2 · 2 Jul 26  ·  Due 27 Jul 26  ·  Opening call 75% — likely

The wording, the opening probability, and the counter-signal below were fixed when this call was published. Updates revise the reading — never the record: the verdict is graded against the opening call.

The trajectory

The call stands at its probability until revised; each dot is a recorded reading.0%50%100%2 Jul 26 — 75% (No. 2): Opening call3 Jul 26 — 75% (No. 3): Reaffirmed as the third round approached; framing sharpened to 'agreement stays in force during the review, long-term status unresolved.' Probability unchanged.23 Jul 26 — 85% (No. 23): Greer's July 22 comments confirm rules-of-origin and labor/environmental standards are being deferred into 2027 talks rather than resolved this year, consist…27 Jul 26 — 97% (No. 27): The U.S. and Mexico confirmed a fourth USMCA round for early September after the third round ended without resolving the automotive rules-of-origin dispute, …due 27 Jul 26Hit97%2 Jul 26

The record since

  • 3 Jul 26 No. 3 · revised to 75%
    Reaffirmed as the third round approached; framing sharpened to 'agreement stays in force during the review, long-term status unresolved.' Probability unchanged.
  • 23 Jul 26 No. 23 · revised to 85%
    Greer's July 22 comments confirm rules-of-origin and labor/environmental standards are being deferred into 2027 talks rather than resolved this year, consistent with the call that this round would not produce a finalized agreement.
  • 27 Jul 26 No. 27 · revised to 97%
    The U.S. and Mexico confirmed a fourth USMCA round for early September after the third round ended without resolving the automotive rules-of-origin dispute, directly confirming the call that the July round would conclude without a finalized agreement.

What would overturn it

A signed or announced rules-of-origin agreement out of the July 20 round.

The verdict

Hit  Resolved 27 Jul 26.

The July 20 U.S.-Mexico USMCA round concluded without a finalized rules-of-origin agreement. USTR Jamieson Greer said he is pursuing a separate interim arrangement with Mexico by year-end, explicitly punting the rules-of-origin fight to 2027, and by July 27 a fourth round of talks had been pushed to September with the two sides still 'digging in' on auto content rules.

Source: https://www.investing.com/news/commodities-news/us-mexico-set-fourth-round-of-usmca-talks-amid-differences-over-key-issues-4810353

As logged at issue

U.S.-Mexico USMCA review talks are scheduled for the week of July 20, the first concrete test of how the non-renewal reshapes trade and customs coordination.

Cite this call

The Cursus Publicus, Call 2026-07-02-03 — recorded 2 Jul 26. https://archive.cursuspublic.us/calls/2026-07-02-03.html