Soft Closes and Anti-Snipe Rules: Every Program Compared

Does a last-second bid win a point auction? On most of the loyalty marketplaces we track, no. A bid placed in the closing window resets the clock, so the auction only ends after the bidding genuinely goes quiet. That is a soft close, and it is the single mechanic that decides whether sniping is a viable tactic or a waste of your time. The catch is that the exact rule differs by program: United extends by one minute, the hotel platforms Hilton, Wyndham, and IHG extend by five, Marriott's rule is community-reported rather than published, Qatar spells out a 60-second extension in the terms block printed on its own lots, and Accor does not document one at all.

This post compares the official close mechanics program by program, quotes the terms where they exist, and turns each into one practical takeaway: what a smart maximum bid looks like when timing cannot save you.

What a soft close actually does

A hard close ends an auction at its stated time no matter what. That is what makes eBay-style sniping work: place your bid in the final three seconds and no one has time to react. A soft close, also called anti-sniping or auto bid extend, defeats that. When a bid lands inside the closing window, the platform pushes the end time out by a fixed amount, so keep bidding late and you keep extending. The lot ends only once the window passes with no new bids.

The consequence is the same everywhere it applies: you cannot buy a timing advantage, because the auction ends when both sides stop bidding, not when the countdown hits zero. That is why nearly every experienced points bidder gives the same advice, to set an honest maximum and let the proxy defend it. We walked through why last-second bids lose specifically on Marriott in our Marriott Moments sniping strategy.

The official rules, program by program

We verified each row below against the program's own terms or FAQ, or against a PointAuctions.com post that verified it (checked July 2026, with the Qatar row re-checked against its own listing terms in September 2026). Where a program does not publish a rule, we say so rather than guess.

United MileagePlus: a one-minute soft close, in writing

United is the cleanest case because the rule sits right in the MileagePlus Exclusives terms: "Any bids placed in the last minute before an auction ends will extend the auction by an additional one minute." United also documents its proxy: "If you have placed a maximum bid (higher than the required minimum bid), the system will automatically increase the bid on your behalf, using only as much of your maximum bid as is required to keep you in the winning lot." So the winning move is explicit in the same document. Set a true maximum, let the system defend it, and only come back if you are willing to go higher. Our United MileagePlus Exclusives explainer covers the rest of the format.

Hilton, Wyndham, and IHG: the five-minute hotel-platform rule

Hilton Honors Experiences, Wyndham Rewards Experiences, and IHG One Rewards auctions run on the same underlying auction engine, and they share the same close mechanic. Hilton's FAQ describes it as an Auto Bid Extend feature: when a lot indicates it, a bid placed during the last five minutes extends the auction by another five minutes from the time of that bid, and the auction closes once bidding has stopped for a full five minutes. Wyndham's FAQ uses near-identical language. Because IHG runs the same platform, the five-minute extension behaves the same way there.

Two details matter. First, the extension is conditional: the FAQ says it applies "when indicated on a listing page," so check the lot rather than assume every lot carries it. Second, all three platforms require you to hold enough points to cover your bid at the moment the auction closes.

The full mechanics live in our Hilton Honors Experiences guide and IHG One Rewards auctions explainer.

Marriott Bonvoy Moments: reported, not published

Marriott is the asterisk. Its official Moments FAQ does not mention any auto-extend or anti-snipe rule. What we have is years of consistent reports on FlyerTalk's SPG Moments thread describing a roughly five-minute soft close, plus the fact that the auction platform Marriott uses does carry an anti-snipe extension mechanic. The direction is solid; the exact number is community-sourced, not guaranteed. That is why our Marriott Bonvoy Moments explainer treats the five-minute figure as reported. The strategy holds regardless: a late bid on a busy Moment just buys everyone else another few minutes.

Accor and Qatar: one silent, one in the listing terms

Accor's Limitless Experiences terms confirm that Accor runs auctions but do not describe any bid extension, anti-sniping, or soft-close behavior. That absence is not proof an Accor lot ends on a hard stop, but it does mean you should not count on a safety net there.

Qatar is the opposite case, and it is easy to miss, because the rule is not on a platform terms page at all: it sits in the "Terms and bidding rules" block printed on the lot itself. About 8 in 10 of the Qatar lots in our archive carry it, and it reads: "Popcorn bidding is enabled - In the event a bid is placed within the final 60 seconds of the auction end time, the Auction will automatically extend for another 60 seconds to allow bids to be placed". That is a real soft close, and at 60 seconds it is the shortest window on the table above.

Both programs are still where we see the most dramatic last-minute jumps in closing prices, which we documented in what late bidding adds in point auctions. Set your maximum early on either one: a quiet Accor lot can wake up hard at the very end with nothing to slow it down, and on Qatar a late bid buys you 60 more seconds that everyone else gets to use too.

Here are recent verified Accor closes from our archive, the actual clearing prices on a platform with no documented safety net:

What we have observed (and why it is not ready yet)

The honest second layer here is our own timing data: how often, and by how much, each program's auctions actually extend past their stated end. We record end-date changes as we scrape, but the log is still too lopsided to publish from: of its few hundred rows, the clean single-lot extensions come overwhelmingly from one program, Delta, leaving almost nothing to say about the programs in the table above. We are not going to dress up noise as a finding. Per-program observed-extension frequency and length is analysis we plan to publish once the sample is large and clean enough to trust. For now, the official-rules table above is the reliable part.

From the closing-price side, though, we can say which programs even let a final be verified. Programs that keep a lot visible after close let us confirm the true winning bid; programs that remove it do not. In our tracking as of September 2026, Marriott has by far the most verified closes at 2,007, followed by Accor, Qatar, Wyndham, and Hilton. Delta removes auctions at close, so for most of its history we held zero verified Delta finals against many closed lots; our closing-hour watcher started confirming them on August 21, 2026, and Delta is now mostly last-seen rather than entirely last-seen. When a number is a last-observed bid rather than a verified winning bid, we label it that way, and you should read it as a floor. The method is spelled out in how we verify closing prices.

The takeaway: bid like sniping cannot win, because it usually cannot

Put the two things together, the soft close and the fact that a live number is a floor, and the strategy is the same across every program on the table:

• Set your ceiling before the closing window, tied to what the experience is worth to you, not to the current bid. Our cents-per-point framework is how we set that line.

• Enter it as a maximum and let the proxy defend it. On United, Hilton, Wyndham, IHG, and Marriott, the extension mechanic means a hidden max beats a late tap almost every time.

• On Accor and Qatar, be even more disciplined. Accor documents no safety net at all and Qatar's is only 60 seconds, and both show the biggest late surges in our data, so the calm two days out is often the trap.

• Hold the points through close. Several platforms disqualify a high bidder whose balance dips below the bid at close, so do not draw down mid-auction.

Timing helps in only one narrow case: a quiet lot with one or two other bidders, where small probing bids can reveal the second-highest ceiling. Once a lot is contested, the soft close erases any edge from waiting.

See what is closing soon

Here are the loyalty-program auctions closing soonest right now, the ones where the soft close is about to decide the price:

Accor, with no published anti-snipe rule at all, and Qatar, with the shortest extension window on the board, usually have inventory live:

Frequently asked questions

Can you snipe a point auction in the last few seconds?

On most platforms, no. United, Hilton, Wyndham, and IHG all use a soft close that extends the auction when a bid lands in the closing window, and Marriott is widely reported to do the same. A last-second bid just resets the clock and gives everyone else time to respond, so a pre-set maximum beats sniping.

How long does a point auction extend after a late bid?

It depends on the program. United's terms extend the auction by one minute per late bid. The hotel platforms Hilton, Wyndham, and IHG extend by five minutes and keep extending until bidding stops for a full five minutes. Marriott is reported to use a roughly five-minute window, though that number is not in Marriott's published FAQ.

Do Accor and Qatar auctions have an anti-snipe rule?

Qatar does. The terms block printed on its own lots says popcorn bidding is enabled, and a bid placed inside the final 60 seconds extends the auction by another 60 seconds. Accor does not: its Limitless Experiences terms describe no bid extension or soft close at all. That is not proof an Accor lot ends on a hard stop, but you should not rely on a safety net there, and both programs produce the most dramatic last-minute price jumps in our data.

If sniping does not work, when should I place my bid?

Place your maximum early, well before the closing window, tied to what the experience is worth to you. The proxy will defend it in increments and only bid as high as it needs to. Coming back at the buzzer changes nothing on a contested lot except handing the auction another extension.