read more read moreSaudi Arabia and the United Arab Emirates, the region's two largest economies, both increased rates by 75 basis points.
The Saudi central bank, also known as SAMA, lifted its repo and reverse repo rates to 4.5% and 4%, respectively.
Saudi Arabia's benchmark index (<.TASI>) dropped 0.8%, hit by a 1.6% fall in Al Rajhi Bank (<1120.SE>) and a 2.1% drop in Riyad Bank (<1010.SE>).
Since Oct. 27, SNB market-cap has shed 25.74 billion riyals ($6.85 billion), according Refinitiv Eikon Data.
Outside the Gulf, Egypt's blue-chip index (<.EGX30>) rose 0.2%, helped by a 1.2% gain in Commercial International Bank Egypt (<COMI.CA>).