This look at the auction guarantees for the November 2017 sales in New York is available to AMMpro subscribers. The first month is free to new subscribers. Feel free to join and cancel before the first month's billing. According to Sotheby's 10-Q filing with the SEC, the firm had $246.8m in guarantees out as of November 2, 2017. That figure was offset by $109.4m in irrevocable bids. Those numbers will change throughout the week as the sales approach and the auction houses and consignors make decisions about how much risk they're willing to take but Sotheby's gross numbers don't give us too much insight into the competitive landscape. So let's look a little closer at the sales on a lot-by-lot basis: