Economy and political agenda: May 8, 2026 — Markets, energy, SPK

The Capital Markets Board of Türkiye (Sermaye Piyasası Kurulu, SPK) announced an extension of the short-selling ban and temporary easing of capital requirement calculations for margin trading through May 8, 2026, while global markets reacted to signs of easing tensions in the Middle East that pushed oil prices lower and equities higher.

According to the SPK decision dated April 11, 2026 (decision code 24/722), the measures cover prohibitions on short sales in Borsa İstanbul equity markets and allow temporary flexibility in the application of capital ratios for leveraged transactions. Regulators framed the move as a precaution to protect market integrity and investor confidence during a period of elevated geopolitical uncertainty.

Energy markets were a key driver of sentiment: Brent crude slipped below $100 a barrel on reports that talks could reduce disruptions to shipping in the Strait of Hormuz, which in turn supported a broad risk-on move across global equity markets. Turkey’s main equity gauge, the BIST 100, registered fresh record or near-record closes in early May as domestic investors cheered lower energy cost expectations and improved global risk appetite.

Market commentators note that the apparent de-escalation in the Gulf could ease the premium embedded in oil prices, but many caution that normalization of physical markets and logistics will take time. Major investment banks had already flagged upside risks to 2026 Brent averages if disruption persisted, underscoring a still-fragile supply picture even as headline risk moderates. For Turkey, lower oil would be disinflationary over time but the net impact depends on exchange rate moves and domestic demand dynamics.

Analysts adopt a cautiously optimistic stance: regulatory steps such as the SPK extension may lend short-term stability, but investor focus will quickly return to macro data, corporate earnings and central bank signals. Volatility is likely to remain until a durable diplomatic outcome is confirmed and oil markets show sustained easing; market participants are advised to monitor news flow closely and manage exposures accordingly.