Casa de compensação indiana eleva exigências de margem para forwards de dólar-rupee https://www.reuters.com/world/india/indian-clearing-house-raises-margin-requirements-dollar-rupee-forwards-2026-04-02/?taid=69ce8ddcf0c12100012b85b9 https://www.reuters.com/world/india/indian-clearing-house-raises-margin-requirements-dollar-rupee-forwards-2026-04-02/?taid=69ce8ddcf0c12100012b85b9