Time Out says
In the same square as the Hotel Ritz, Madrid's stock exchange is a landmark as well as a business centre. Enrique María Repullés won the competition to design it in 1884, with a neo-classical style chosen to reflect that of the nearby Prado museum. The building has two distinct areas: one is the trading area; the other, open to the public, houses an exhibition on the market's history. Visitors are admitted at noon only; phone to arrange a visit.
Plaza de la Lealtad, 1
|Transport:||Banco de España (M: L2)|
|Opening hours:||Individual guided visits every Thu at noon; group visits Mon-Fri from 10am. Bookings at email@example.com or phoning 91 589 10 20 or 91 589 11 629 from 9am-1.30pm|