A deal between the US and Canada to stave off new tariffs on Canadian goods is now on President Trump's desk, according to Politico citing sources

• Now it's up to Trump whether the 50 percent duty goes into effect, as scheduled, at midnight.

Tariff brinkmanship of this kind has followed a recognisable sequence in past trade confrontations: a stated deadline, last-minute negotiation, and a decision that lands either as suspension, modification, or implementation, with each outcome historically treated by markets as provisional rather than final. The relevant distinction is between a deal that defers the duty and one that averts it outright; deferrals in comparable episodes have tended to reset the clock and the negotiating leverage rather than resolve the underlying dispute, keeping the threat live as a recurring catalyst. Sourced reporting of this type, a deal on the principal's desk awaiting signature, sits in the category where prior form includes both eleventh-hour reprieves and deliberate walk-aways, so the headline itself is not a resolution. Transmission runs through the bilateral exchange rate, Canadian exporters' equity exposure, and cross-border supply-chain names, with the auto and commodity-linked complex most sensitive given the structure of the trade relationship. The tells are whether official confirmation follows from either government, whether any reprieve is conditioned on concessions that themselves become the next negotiating theatre, and how the deadline mechanism is handled, since extensions granted informally have historically been revisited without notice. As a single-source account ahead of a decision, the informational weight is directional and contingent on confirmation.