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Rough Guide To Slot Machine Odds, House Edge, and Hit Frequency

June 9, 2022

Written By,

Brijesh Mehta

Slot games on online casino sites can be rigged, which is a major concern for many players who want to play their favorite online casino slots.After all, no player would want to play a game if they feel that the game is rigged and the casino is going to have an unfair advantage using some preplanned strategy.

Most people like playing slot machines, and many players do not realize that the odds of winning on a specific machine can differ significantly. If you’re looking to maximize your winnings while playing slots, you should definitely read this article.So, let’s begin!

slot machines guide to odds & hit frequency

Are online slot games rigged?

Online gambling is advancing in technology and new casino games including slots are popping now and then. Because not every player is going to win the game, it is normal for the players to wonder that the game they are playing could be rigged.

But fortunately, this is just a myth and one cannot cheat on slot machine games. The game involves reels and wheels where all you do is place a bet, sit and wait for the reels to spin in your favor.

The casino operators cannot control slots and their payouts. And even if some casino tries to cheat or scam, they are likely to be caught.

Slot machines in a reputable online casino site are not rigged. As a customer, it is your responsibility to select a reliable casino site that follows well-regulated gambling laws.

Every slot machine uses an RNG (Random Number Generators) system that ensures the numbers generated are unpredictable and completely random. For optimum fairness, this system is checked by each casino site. They even employ third parties like eCogra to test the fairness of the game. Thus, online slot games at legitimate and genuine online casino sites licensed under the reputed gambling authority are fair and unrigged.

The player cannot guess the outcome in advance and the game is purely based on chance.

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Odds of Winning at Slot Machines

Odds are ways of expressing a player’s chances of winning. Basically, odds predict how often something will happen, but couldn’t predict what exactly will happen.

Understanding the odds can help you figure out if the particular slot is worth the money or not.

Slot machine odds can easily be calculated by using an odds calculator. However, for a beginner, calculating the odds could be confusing.

Slots are typically games of chance and you cannot guess the numbers in advance. The outcome is completely unpredictable, which means all the strategies and systems don’t work. This unpredictability is needed in gambling and this is what makes online slot games interesting.


House Edge and RTP – What do they mean?

House edge is basically a calculation used by the casino service provider to ensure that the house always ends up making money. House edge is given as a percentage that represents the average amount of all the bets a player will lose over the long term.

Knowing house edge can help you take gaming decisions that could maximize your chances of winning. With the understanding of house edge, you take better control of your game and you will know if you are having a bad run and quit the game.

Return to player (RTP) is the reverse of the house edge. It is the amount that the player will get after the session of gaming. This is the part of the gaming mechanism that makes sure the player doesn’t lose completely while playing the game.

For example, if a slot machine has a house edge of 5%, the average RTP will be 95%.

Later, the machine will keep about 5% of the bet money and will return 95% to the winning players. The percentage is calculated over the long term so any result could be possible in the short term.

The concept of house edge and RTP works hand in hand as the two sides of a coin for both the casino and the players. The lower the house edge, the higher will be the RTP.

You should search for games with lower house edges that you can play. For example, American roulette has a house edge of 5.26% and European slots have a house edge of 2.7%. You should go for the European one as the house edge is less and it can give you better odds.

Even the different variants of a single game could have different house edges. When you choose a game with a low house edge, make sure that the RTP is higher.

Some of the slots with the highest RTP and lowest house edge are listed below:

  • Blood Suckers – 98.00%
  • Mega Joker – 99.00%
  • Jack Hammer 2 – 97.10%
  • Ocean Princess – 99.01%
  • Joker Strike – 98.11%

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What is Slot Machine’s Hit Frequency?

Online slot game consists of rounds like any other casino games. The rounds are known as Spins and at the end of each spin, the slot will produce some outcomes. The outcome decides whether the player will get some winnings or not.

Hit Frequency is expressed as to how often a casino player is going to get any winning at the end of each spin on an average. This is measured in percentages. The machines with smaller hit frequencies tend to have a larger jackpot chance. It is all about the certainty of getting a winning.

Hit frequency in an online slot is determined by a computer program that runs on the particular online slot. It is a constant number and the manufacturer knows what value it has. However, the majority of slot providers tend to keep this information private, and sometimes it is not possible to know the hit frequency of a particular online slot.


Slots are all about fun and entertainment, and playing your favourite slot without any worries is one of the best ways to enjoy it. Fixating and calculating odds might be helpful but understanding them is a bit trickier and can be confusing for most players.

So, instead of calculating and fixing your odds, choose to play without any worries and let yourself immerse into online slot gaming. And if you get a chance to win and make a profit, that is the cherry on the cake.

Some dishonest casino sites can take an advantage of the players and try to scam the players. So, it is crucial for players to choose a licensed, reliable and reputed best onlinecasino site like to be safe from online scams.

If you are from India, you can visit Bet Barter to explore plenty of exciting slot games for the best experience of online slot games and get a chance to win a huge jackpot.

Written By,

Brijesh Mehta

Brijesh Mehta is a content writer & strategist from India providing his top-notch skills & expertise in the Sports and online casino industry for more than seven years. He is an avid reader and creative writer who is fond of words and uses them to teach others about online betting and trending sports news through his in-depth guides.