The seller bought the fifth-floor unit in August 2014 for $3.518 million ($2,457 psf) and sold it on Nov 17 at $2.83 million ($1,977 psf). Owing to the short holding period, the transaction is subject to a seller’s stamp duty of 4%, or $113,200. This means the total loss incurred, after factoring in SSD, is $801,200 (23%).