Ten contracts were signed last week at $4 million and above in Manhattan, half of the previous week’s total. The volume was a dismal $61,219,000, the lowest of the year. Going forward, it would seem that the luxury market sales in Manhattan could be as choppy as the stock market.

Stat Geek Alert: The post-Labor Day week’s 10-year average of contracts signed is 14.

The No. 1 contract was 4A at 177 Ninth Avenue, asking $12.5 million; it started marketing in July. The unit has 3,176 square feet including 4 bedrooms and 4.5 bathrooms, with views of gardens and the Theological Seminary. The seller paid $9,939,120 in July 2017 and then renovated. It is in a building called the Chelsea Enclave, a condop (a co-op with condo rules). Amenities include a doorman, gym, a roof deck, and parking.

The No. 2 contract was 1504 at 515 West 18th Street, asking $9,550,000, raised from $8,775,000 when the building started marketing in the summer of 2020. The condo has 2,536 square feet including 4 bedrooms and 4.5 bathrooms. The building, known as The Lantern, was designed by Heatherwick Studio (architects of the Vessel at Hudson Yards and Little Island). Amenities include a doorman, a health club that features a 75-foot swimming pool, infrared sauna, cold plunge, hot tub, massage/treatment room, steam rooms, a playroom, library, game room, and a yoga and meditation room overlooking the High Line Park.