Definition
Gross Gaming Revenue (GGR) is the difference between the total amount of money wagered by players and the total amount of winnings paid out to them. It represents the raw earnings of a casino before operating expenses, taxes, and marketing costs are deducted.
In context
If a slot machine accepts $1,000 in bets over a day and pays out $900 in winnings, the GGR for that machine is $100. This figure is the primary metric used by regulators to calculate gaming taxes.
Why it matters
GGR is the baseline for a casino’s financial health. It tells operators how much ‘win’ the floor is generating, which helps them determine if game math is performing as expected and how much capital is available for reinvestment.
Related terms
In detail
Gross Gaming Revenue, or GGR, is the “top-line” metric for the entire gambling industry. While players look at their wins and losses at the end of the night, the casino, the government, and the investors look at GGR. To understand GGR is to understand the actual business model of a casino. It is the raw material from which everything else—salaries, taxes, marketing, and profit—is carved.
Defining the “Win”
The simplest way to think about GGR is “Bets minus Payouts.” If a casino’s slot machines took in $10 million in wagers over a month and paid out $9.1 million in jackpots and wins, the GGR for the slot department is $900,000.
It is a common mistake to confuse GGR with “Hold.” While they are related, they are not the same. GGR is the dollar amount, while “Hold Percentage” is the ratio of GGR to the amount of money “dropped” or exchanged for chips. For example, if players buy $1,000 worth of chips (the drop) and the casino keeps $200 of that after they finish playing, the hold is 20%. The GGR is $200.
Why GGR is the Standard for Taxation
Governments love GGR because it is a relatively clean number to track. In most jurisdictions, gaming taxes are calculated as a percentage of GGR. Whether a casino is profitable or not after paying its electric bill and its employees doesn’t matter to the taxman—they want their cut of the raw win.
In places like Macau or Pennsylvania, these tax rates can be as high as 40% to 50% of GGR. This puts immense pressure on casino operators to be efficient. If a casino wins $100 from a player but has to give $50 to the state right off the top, there isn’t much left for overhead. This explains why casinos in high-tax jurisdictions often have “tighter” games (higher house edges) or less generous “comp” programs compared to lower-tax areas like Nevada.
The Role of Free Play and Promotions
One of the most complex parts of calculating GGR in the modern era is “Free Play.” If a casino gives you a $20 “loyalty” voucher to play on a slot machine, and you win $10 with it, how is that taxed?
In some states, “Free Play” is deductible from the GGR. This means if a machine wins $1,000 but $200 of that was from “Free Play” provided by the casino, the taxable GGR is only $800. This is a huge incentive for casinos to offer massive promotional budgets. It allows them to “recycle” their revenue and keep players in the building without paying taxes on the initial “seed” money they gave the player. However, from a management perspective, we have to be careful. If we give away too much Free Play, our GGR might look great on paper, but our “Net Gaming Revenue” (the money left after promos) might be zero.
GGR Across Different Departments
GGR behaves differently depending on the game.
- Slots: GGR is very predictable. Because slots have a fixed RNG (Random Number Generator) and a set “par” (theoretical win percentage), the GGR almost always tracks perfectly with the volume of play.
- Table Games: GGR is more volatile. A single “whale” (high-stakes player) having a lucky weekend can turn a table game’s GGR negative for the month. This is why casino managers don’t panic over one bad week at the baccarat tables; they know the math will eventually catch up.
- Poker: Poker GGR is unique because the casino isn’t “playing” against the guests. Instead, the GGR is the “Rake”—the small percentage the house takes out of every pot. Poker GGR is incredibly stable because it isn’t affected by who wins or loses the hand.
How GGR Drives Casino Strategy
Everything a casino does is designed to maximize GGR. When we decide to replace a buffet with a high-limit slot room, we are doing a “GGR per square foot” calculation. Every square inch of the casino floor is expected to produce a certain amount of revenue. If a game isn’t pulling its weight, it gets moved to a “dead zone” near the restrooms or removed entirely.
This also affects “Player Reinvestment.” If you are a player who contributes $1,000 to the casino’s GGR over a year, the casino will generally be willing to give you back about 20% to 30% of that in the form of meals, rooms, or free play. This is the “Truth” of casino marketing: you aren’t being “rewarded” for your loyalty; you are being rebated a portion of your contribution to the GGR to ensure you keep coming back to contribute more.
Misconceptions About “Casino Profit”
Many people see a GGR report showing a casino won $50 million in a month and think the owners are swimming in cash. The reality is much grittier. Out of that $50 million GGR:
- State taxes might take $10-20 million.
- Marketing and player comps might take $10 million.
- Payroll for 1,000+ employees might take $10 million.
- Debt service for the multi-billion dollar building might take $5 million.
- Utilities, insurance, and maintenance take another $2-3 million.
Suddenly, that “massive” $50 million win is a $2 million profit—a 4% margin. This is why casinos are so obsessed with “Efficiency” and “Game Speed.” In a business with thin margins, every dollar of GGR counts.