The run finished and nothing changed. No error, no explanation. Work through these six causes in order.
Of the MassPrice failures sellers bring us, this is the most common, and it's the least documented. There's no error. The run completes. Prices sit exactly where they were.
Work through these in order.
MassPrice rules match on criteria you set. A rule scoped to a game you haven't listed in, a set with no current inventory, or a price band nothing falls into will run perfectly and touch zero cards. Check the match count before you check anything else — a rule that reports zero affected products isn't broken, it's empty.
If the computed target sits below your floor, MassPrice holds at the floor and reports nothing unusual. Set a floor at market and then anchor to TCG Low and you've built a rule that can never fire. In our experience this is the most common cause of "it did nothing", and it looks identical to a bug. Set price floors and ceilings covers how to configure the two so they don't fight.
TCGplayer's export can carry $0 in the Market Price column. It happens on products with too little recent sales history, and on listings that aren't tied to a catalog product at all — photo listings and other custom entries export with no product ID and no price columns. A rule anchored to Market has nothing to compute against for those rows, so it skips them. TCG Low doesn't rescue every such row either: Low reflects Near Mint and Lightly Played listings only, so a played copy with no NM/LP competition has no Low to anchor to. See TCG Low, Market, Direct Low, and Buylist price points explained.
Scheduled rules run at their configured times on TCGplayer's side, not on demand, and a rule saved after its scheduled time has passed won't take effect until its next scheduled run. If you're testing changes and seeing nothing, you may simply be looking before the next scheduled window.
MassPrice does not update pricing for products added as Listings with Photos, and it only touches listings a rule's criteria actually cover. A photo listing you priced by hand months ago stays at that price through every run. Audit these periodically — they accumulate quietly, and nothing in the run output points at them.
MassPrice is a Pro Seller feature, so access is tied to Pro status. If your Pro subscription lapsed or your seller level moved, don't assume your rules are still running — check your Pro status before debugging anything else.
None of the above produces an explanation. The Activity Log shows what a run changed, but not why a rule declined to act — MassPrice tells you a run happened, not what it decided.
It's a reasonable design for a free tool bundled into a marketplace. It's a hard one to operate a business on, because every question starts with "did it work?" and there's no way to answer that except by diffing your own prices.
The alternative is a repricer that logs its reasoning. Hoard keeps an auditable per-sync log of every price it changed, what it changed from and to, and which rule decided — plus the cards a rule wanted to change but a guardrail held back, with the reason why. The weekly digest email summarizes that activity; the full log is in your account whenever you want to check it. When something doesn't move, you read the reason rather than guessing at one. You can test a strategy in watch-only mode before it goes live so the first run is a preview rather than a surprise, and see what your TCGplayer store is leaving on the table before deciding anything.
If you're weighing the free tool against a paid one honestly — including the cases where MassPrice is the right answer — how Hoard compares to MassPrice and manual spreadsheets lays it out. And switching doesn't mean rebuilding your rules from scratch: Hoard imports your existing MassPrice rules and proposes equivalents for you to review and accept, and nothing you import goes live until you enable it.
Sources: Update Your Pricing with MassPrice · Schedule Rules Using MassPrice
Usually one of six causes: the rule matched nothing, a floor or ceiling silently held the price, the reference price was $0 for that row, the schedule hasn't fired again yet, the listing type is outside MassPrice's reach, or you've dropped below Pro. MassPrice reports that a run happened, not what it decided or why.
Rows with a $0 Market Price in the export give a Market-anchored rule nothing to compute against, so it skips them silently. That happens on products with too little recent sales history and on photo/custom listings, which export with no product ID and no price columns at all.
Yes. If the computed target sits below the configured floor, MassPrice holds at the floor and reports nothing unusual — which looks identical to a bug from the outside.
Hoard imports your existing MassPrice rules in a one-time step and proposes equivalent Hoard rules for you to review and accept. It needs the Hoard desktop app open and logged in to TCGplayer, and imported rules stay disabled until you turn them on.
No. MassPrice is a Pro Seller feature. If a Pro subscription lapses or a seller's level changes, MassPrice can remain visible in places while no longer doing anything. For a full side-by-side of what it does and doesn't do against an alternative, see the Hoard vs. MassPrice comparison.
Hoard logs every pricing decision with a reason, and imports your existing MassPrice rules so you're not starting over.
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