I will try my best on TSTST. Past olympiad results (for some definition of olympiad):

670760 JMO 2024

770 PuMAC Finals 2024

160770 USAMO 2025

700710 USEMO 2025

200 PuMAC Finals 2025

740777 JMO 2026

6 7 1 1 11 HMIC 2026

https://manifold.markets/grins/will-i-qualify-for-the-2027-usa-tst