Sources say that three Russian Black Sea terminals have restricted grain shipments by truck due to shipping risks.

After 22 past bullish logistics events, Wheat (HRW) moved a median -1.2% over 5 sessions (45% higher; middle half -2.5% to +1.7%), and +3.9% over 20.

• Aug 31, 2026Russian grain exports shift to Baltic as Black Sea trade disrupted | Reuters-4.1%
• Jul 31, 2026The battle to move Black Sea grain | Miller Magazine-1.1%
• Jan 31, 2023Wheat prices on world exchanges have risen, and in Ukraine they are pressured by the delay in the approach of the courts+0.3%
• Jul 29, 2026Russia grain export forecast cut as Azov navigation remains closed - The Sizov Report blog-2.5%
• Mar 25, 2024Canada rail strike to affect grains, industry says | Latest Market News-2.5%

Not enough comparable past events yet for a historical read.

After 283 past bullish logistics events, Wheat (SRW) moved a median -0.2% over 5 sessions (46% higher; middle half -1.4% to +1.3%), and -0.1% over 20.

• Aug 31, 2026Russian grain exports shift to Baltic as Black Sea trade disrupted | Reuters+2.4%
• Oct 31, 2022Despite Russia's Black Sea Decision, Grain Still Shipping Out of Ukrainian Ports Monday-5.6%
• Oct 6, 2025Kazakhstan restricts rail shipments of grain to the port of Aktau+0.0%
• Jul 28, 2026Ukraine: suspension of shipping to Black Sea ports and the associated risks | OSW Centre for Eastern Studies-0.3%
• Feb 2, 2024Weekly highlights - What the Red Sea shipping disruptions mean for grain prices - Graintab-1.6%