Book of Oil
96%
RTP
-
Max Win
- Min Bet
- 0.2
- Max Bet
- 1000
- Release Date
- January 1, 2021
About this Slot
Book of Oil is a medium volatility slot from Endorphina with an RTP of 96%. The game features expanding symbols that substitute for regular symbols and cover entire reels. Three or more Scatters trigger a Free Spins round, which may include multipliers or special symbols and can retrigger when additional Scatters land during the feature. Players can use the Risk Game to bet on a card flip for potential winnings, or access the bonus rounds directly through a Bonus Buy option at a fixed price.
Book of Oil Community RTP
Real RTP estimated from rounds contributed by the community, across all uploaders.
What the community has observed so far
These figures are counted, not estimated. The biggest win is the highest that came up in the contributed rounds, not this slot's maximum win. The sample is not large enough for an RTP figure yet.
Rounds
15,046
Hit Rate
13.3%
Biggest win observed
1,006x
At least 9,954 more rounds until this slot has a reliable RTP measurement.
Played this slot? Add your bet archive to make these numbers more accurate.
Open Bet AnalyzerBook of Oil RTP Calculator
Book of Oil has a theoretical RTP of 96%. Its volatility is Medium, so expect a balanced mix of dry spells and mid-size hits. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.
Book of Oil Variance Simulator
Book of Oil sessions can swing far from its 96% average - its volatility is rated Medium. The simulator runs many virtual bankroll runs to estimate the bust rate, typical drawdown and best/worst outcomes over a set number of spins - compare a cautious bankroll against an aggressive one.
Frequently asked questions about Book of Oil
An RTP of 96% means Book of Oil is built to pay back around 96 for every 100 wagered over millions of spins. Any single session can land far above or below that - use the RTP calculator on this page to model your own bet size and spin count.
Over the long run Book of Oil's house edge is about 4% of everything you wager - roughly 4 lost per 100 staked. Short sessions vary widely; the calculator above shows the expected loss and variance range for your inputs.
Quite a lot. Because wins cluster around rare big hits, your balance can move far from the 96% average in either direction. The variance simulator above shows typical drawdowns, bust rate and best/worst outcomes for your bankroll.
It depends on your bet size and how long you want to play Book of Oil. Use the variance simulator above to test a cautious versus an aggressive bankroll and see how often each survives your target number of spins.
