Dear all, it is our pleasure to advertise the trimester programme “Probability and Stochastic Analysis” taking place at SISSA (International School for Advanced Studies), Trieste, from 14 September to 11 December 2026. Its scientific focus is probability theory and stochastic analysis, with emphasis on stochastic PDEs, random matrices, statistical mechanics, and probabilistic methods in QFT. The programme features two workshops (28 September - 2 October 2026 and 7 - 11 December 2026) and four courses delivered by Paul Bourgade, Giuseppe Cannizzaro, Thomas Leblé, and Hao Shen. ´ Participation is free and open, but spaces are limited; travel and accommodation support may be available upon request. Financial-support deadlines: 1 July 2026 (Workshop 1) and 1 October 2026 (Workshop 2). For further information and registration, please visit: https://sites.google.com/view/probsissa The organisers Ilya Chevyrev (SISSA) Gaultier Lambert (SISSA) Hao Shen (University of Wisconsin-Madison)