Ticket KPIs · Ticket resale glossary
Ticket Inventory
Also known as: Inventory, Live stock
Ticket inventory (or stock) is the number of tickets available to buy for an event at a given moment — on the primary seller's site, or across resale listings.
Primary inventory goes down as tickets sell and up when tickets restock. Watching it change is how you spot a ticket drop or measure sell-through rate.
For brokers, inventory also means the tickets they hold themselves and have to price and sell before the event.
How ticket inventory is measured
At any moment, an event's inventory is the sum of what is on sale in each pool: inventory = primary tickets available + resale tickets listed, plus any other offer types the seller shows. Over time it follows a simple balance: inventory today = inventory yesterday − tickets sold + tickets added − tickets withdrawn.
That balance is what makes inventory so informative. Sales take tickets out; restocks, new listings and released holds put them back. Watching the net change between two checks — the stock delta — tells you which force is winning.
Worked example: reading an inventory change
On Monday a Ticketmaster event shows 1,200 standard tickets, 450 resale tickets and 80 platinum tickets: 1,730 in total. On Tuesday it shows 900 standard, 520 resale and 60 platinum: 1,480.
Total inventory fell by 250, but the parts tell a richer story. Standard stock dropped by 300, so primary demand is strong. Resale rose by 70, as fans and brokers list faster than resale buyers buy. A single total would have hidden that the face-value pool lost a quarter of its tickets in one day.
Primary, resale and broker inventory
The word covers three different things, and it pays to be precise about which one you mean:
- Primary inventory: tickets still sold by the official seller, mostly at face value (see primary availability).
- Resale inventory: tickets listed by fans and brokers on marketplaces or in the primary site's resale section.
- Broker inventory: the tickets a reseller owns and has yet to sell — a cost already paid, carried until the event.
Managing your own ticket inventory as a broker
For a broker, inventory is risk. Every ticket held has a cost, and its value changes daily with the market. A simple mark-to-market check helps: multiply the tickets you hold by the current get-in price in their section, subtract selling fees, and compare the result with what you paid.
Example: 40 tickets bought at €80 each cost €3,200. If comparable tickets now sell at €110 and fees take 10%, the stock is worth about 40 × €99 = €3,960, a paper gain of €760. If the get-in price falls to €85, the same 40 tickets are worth €3,060 — already under water after fees.
Pitfalls when tracking inventory
Inventory numbers are snapshots, and snapshots can mislead:
- Basket holds: tickets in buyers' baskets disappear for a few minutes and then return, which can look like a sale followed by a restock.
- Duplicate listings: the same tickets listed on several marketplaces are counted more than once if you add the sites together.
- Hidden quantities: some listings show fewer tickets than the seller actually holds, so resale inventory can be understated.
- Unreleased capacity: inventory only counts what is on sale; seats still held back don't appear until they are released.
See it live with Eventory
Eventory tracks available tickets per event and per section, and its Chrome extension shows live stock directly on the ticketing site.
Frequently asked questions
What is ticket inventory?
Ticket inventory is the stock of tickets available to buy for an event at a given moment. For a broker it also means the tickets they own and still have to sell. Both are counted in tickets, usually split by section and by primary or resale.
What is the difference between ticket inventory and available tickets?
They largely measure the same thing. Available tickets usually means the count on one market at one moment; inventory is the broader term, which also covers the stock a broker holds and the flow of tickets in and out over time.
Why does ticket inventory go up after a sell-out?
Because tickets come back: released holds, expired baskets, cancelled orders and production releases add primary stock. On resale, inventory rises when fans list tickets they can no longer use or brokers release stock they were holding back.
How can I see live inventory on Ticketmaster?
Eventory's Chrome extension shows live standard and resale stock on the Ticketmaster event page, together with the get-in price and capacity, and overlays availability on the seat map so you can see which sections still have tickets.