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How Proxy Bidding Works | Mesilla Valley Estate Sales

How Proxy Bidding Works

Set your maximum once. Our system bids on your behalf — but only as much as needed to keep you in the lead.

Proxy bidding is how most experienced bidders bid online. You enter the highest amount you'd be willing to pay if you had to. The system then bids on your behalf in standard increments, only when challenged by another bidder, never exceeding your maximum.

In most cases, you'll win for less — often substantially less — than your maximum. Industry data suggests proxy bidders win items below their maximum bid in roughly three out of four cases.

Quick Reference

  • Your max is private. Other bidders never see it. Staff don't either during the auction.
  • You don't pay your max. You pay one increment above the next-highest bidder's max — even if your max is much higher.
  • Soft close is built in. Bids in the final 2 minutes extend the lot's closing time another 2 minutes. Your proxy keeps bidding during extensions automatically.
  • Increments are fixed. See the table below.
  • Earlier matters in ties. If two bidders enter the same max, whoever placed their proxy first wins.

On this page

  1. The key insight: you don't pay your max
  2. Worked example
  3. How to place a proxy bid
  4. Bid increments
  5. Soft close and proxy bids
  6. Confidentiality
  7. Tie-breaking
  8. Two common myths
  9. If you're outbid
  10. Strategic tips
  11. Quick Bid vs. proxy bid

The key insight: you don't pay your max

This is the part most first-time bidders miss. When you place a proxy bid, you're not committing to pay that amount. You're telling the system the most you'd be willing to pay if it came to that.

The system only bids on your behalf when someone else challenges you — and only by one increment at a time. You only pay your maximum if another bidder is genuinely willing to pay nearly the same amount.

Strategic implication: entering an honest, aggressive maximum is almost always the right move. The system protects you from overpaying. Lowballing your proxy bid just means you're more likely to lose the lot to someone willing to bid one increment higher.

Worked example

Three bidders compete for a lot with a starting price of $100. Here's how proxy bidding plays out:

Bidding sequence

Step 1. AuctionBob enters a proxy bid with a max of $299. Current price becomes $100 (the starting price). Bob leads.
Step 2. SusanSales bids $185. The system immediately responds for Bob: his proxy bids $190 (one increment above $185 for this price tier). Bob still leads.
Step 3. BidderBill sees current price $190 and enters a bid of $250. The system responds for Bob again: his proxy bids $255. Bob still leads.
Step 4. No one bids further. Lot closes at $255.

Bob wins for $255 — saving $44 versus his $299 maximum.

Notice three things:

  • Bob's max ($299) never publicly displays. SusanSales and BidderBill only see the current price.
  • The system doesn't jump straight to $299 — it bids one increment at a time, only when challenged.
  • If a fourth bidder had entered $300+, Bob's proxy would have been exhausted and he'd have received an outbid notification — with the option to raise his max if he wanted.

How to place a proxy bid

  1. Open the lot you want to bid on.
  2. In the bid form, enter the maximum amount you'd be willing to pay if you had to.
  3. Submit. Your proxy is now active.

That's it. From this point, the system bids on your behalf any time another bidder challenges you — until you win, you're outbid, or the lot closes.

You can raise your maximum at any time before the lot closes. (If you've already been outbid, you'll need to enter a new max higher than the current high bid.)

Bid increments

Bid increments are fixed and determined by the current price. The system uses these increments when advancing proxy bids:

Current PriceBid Increment
$0.00 – $9.99$1
$10.00 – $24.99$2
$25.00 – $99.99$5
$100.00 – $499.99$10
$500.00 – $999.99$25
$1,000.00 and above$50

So if the current price is $40 and you have an active $200 proxy, your next defensive bid will be $45 (the $5 increment) — not jumping straight to $200.

Soft close and proxy bids

MVES auctions close one lot every two minutes. But if a bid is placed within the final two minutes of any lot, that lot's closing time automatically extends another two minutes. The extension repeats as long as new bids keep coming in.

This prevents last-second sniping and gives every bidder a fair chance to respond.

Your proxy bid keeps working during extensions. If a competing bid arrives in the final minutes and your maximum is still higher, the system continues to bid for you automatically. You do not need to be at your computer for proxy bidding to work — that's the entire point of the feature.

Confidentiality

Your maximum bid is private:

  • Other bidders never see it. They only see the current bid price.
  • MVES staff don't see it during the auction. The system manages proxy bids automatically; we don't have visibility into pre-set maximums while bidding is active.
  • It doesn't appear publicly even after the auction closes. Only the final winning amount is visible in bid history.

This means there is no penalty for entering an honest, aggressive maximum. Nobody is watching it to decide how much to push against you.

Tie-breaking

If two bidders enter the same maximum, the bidder who placed their proxy bid first holds the lead. The later bidder is shown as outbid even though their maximum matches.

This rewards earlier commitment. If you know your maximum, there's a small structural reason to enter it sooner rather than later.

Two common myths

Myth #1

"If I set a maximum bid, I'll just end up paying that full amount."

False. The system only bids what's needed to keep you in the lead. Industry data shows that in roughly 75% of cases, proxy bidders pay less than their maximum. You only pay your max if another bidder is willing to pay nearly the same.

Myth #2

"Proxy bidding is somehow cheating or unfair."

False. Proxy bidding is standard practice in online auctions across the industry. It's how Sotheby's, Christie's, Heritage Auctions, and most other major online auction platforms work. It exists specifically to make auctions fair to bidders who can't watch every lot close.

If you're outbid

If another bidder's maximum exceeds yours, you'll receive an email notification with a link back to the lot. From there you can:

  • Raise your maximum if the lot is still worth more to you than the new current price.
  • Walk away. Your original max was your honest ceiling — there's no obligation to chase further.

If outbid notifications aren't arriving, see our email troubleshooting guide — check your spam folder and your account notification settings first.

Strategic tips

  • Enter a real maximum, not a starting price. The system protects you from overpaying. Underbidding just means losing to someone willing to bid one increment higher.
  • Submit early. Soft close handles late bids, but you can't rely on browser or internet reliability in the final 10 seconds. Submit your max well in advance.
  • Don't worry about timing. A proxy bid placed days early is just as competitive as one placed in the final minute. The system tracks your max, not when you set it.
  • Re-evaluate if outbid. If you've been outbid and the price has risen above your original max but still under what the lot is genuinely worth to you, raise it. If not, walk away cleanly.
  • Pick a max that gives room. If the current price is $48 and you set a max of $50, the system has only $2 of room to work with. Set a max with meaningful headroom above your floor.

Quick Bid vs. proxy bid

The bid form may show two options:

  • Quick Bid places a single bid for the next minimum increment. Use this when you want to make a one-time bump and decide later whether to continue.
  • Maximum Bid (proxy bid) sets your ceiling and lets the system bid for you automatically. Use this when you know your highest acceptable price.

Most experienced bidders use maximum bid as their default and reserve Quick Bid for last-minute responses to specific competing bidders.

Ready to try it?

Browse current auctions and place a proxy bid on a lot you're interested in. Questions before bidding are always welcome.