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California Lottery
Introduction
The California Lottery opened for business on October 3, 1985. Revenues from the lottery are directed towards education. The percentage directed towards prizes ranges from 48.5% to 79.7%, so you need to play the right game. Administrative expenses are supposed to be less than 13%. The time limit to cash a winning ticket is 180 days.
A unique feature of the California Lottery is that all games must be player against player and the state cannot have an interest in the outcome. For this reason, games based on random ball draws are all parimutual, which means the California Lottery takes a cut for schools and education and returns the rest to the winners. This is unlike other states that pay fixed prizes for some games.
The rest of this page contains my analysis of the several ways to play the California Lottery. However, for those who just want the executive summary, here is my advice:
 Don't play in the first place. Every state lottery offers terrible odds. With few exceptions, it is the worst bet you can make.
 If you must play, the best odds for bets under $5 is on the Hot Spot game, which claims to return 63.5% of money bet, which is better than the usual 50%.
 For bets of $5 or more, scratch cards offer the best value, with returns ranging from 67% to 80%, depending on the bet size.
 For games with the Second Chance option, don't forget to take it, which will give you about an additional 1.5% in return.
 For any game involving choosing numbers, I suggest the Quick Pick option. Players that pick their own numbers are at greater risk to get short changed on a jackpot by having to share it with many other players who picked the same numbers for the same reasons you did.
 If you play the Daily 3 or Daily 4, make Straight bets, as opposed to Box bets.
What follows is my analysis of each game.
Daily 3
The Daily 3 is a $1, twice daily game in which the player and lottery each pick three numbers from 0 to 9, with replacement.
Prizes are parimutual style, where the lottery takes a 50% cut (source: California Lottery Regulations, pages 21,22) of the total ticket sales and returns the rest to the winners.
The way each prize is determined is to take the dot product of the number of each type of win and the number of shares according to the table below. Then divide total prize money (48.5% of ticket sales) by the number of winning shares to determine the win per share. Prizes are rounded down to the nearest dollar with the breakage added to the Prize Reserve.
The following table shows the actual shares for each win as well as the mathematically fair number of shares, based on a box 123 ticket being 1 share. A 123 box ticket means one with three distinct numbers. A 112 box ticket means one with a pair of one digit, for example 858.
Daily 3 Shares
Catch  Actual Shares 
Fair Shares 

Straight  12.5  12 
Box (123)  2  2 
Box (112)  4  4 
Straight & box (123) win box only  1  1 
Straight & box (112) win box only  2  2 
Straight & box (123) win both  7.25  7.25 
Straight & box (112) win both  8.25  8.25 
With both the Daily 3 and Daily 4, the shares given to straight bet players is disproportionately high. This means that box players are subsidizing straight players. Thus, my advice for Daily 3 players is to make straight bets only, if you must play.
The following table shows the probability of winning each prize, the average win, and return, based on an overall 50% return and assuming players bet equally between straight and box bets.
Daily 3 Return Table
Bet  Probability  Average Win  Return 

Straight  0.001  $510.20  51.02% 
Box (112)  0.003  $163.27  48.98% 
Box (123)  0.006  $81.63  48.98% 
Daily 4
The Daily 4 is a $1, daily game in which the player and lottery each pick four numbers from 0 to 9, with replacement. So, repeat numbers are possible.
Prizes are parimutual in nature, where the lottery returns approximately 48.5% of total money bet (source:California Lottery Regulations, page 17) of the total ticket sales. There is not a fixed pay table but how much you win will depend on how many other winners you will have to share with.
The way each prize is determined is to take the dot product of the number of each type of win and the number of shares according to the table below. Then divide total prize money (48.5% of ticket sales) by the number of winnings shares to determine the win per share. Prizes are rounded down to the nearest dollar with the breakage being added to the Prize Reserve.
The following table shows the actual shares for each win as well as the mathematically fair number of shares, based on a box 1234 ticket being 0.5 shares. The numbers in parenthesis show an example of that type of box ticket. For example, 1122 would have two each of two different digits, like 5757.
Daily 4 Shares
Catch  Actual Shares 
Fair Shares 

Straight  12.5  12 
Box (1234)  0.5  0.5 
Box (1123)  1  1 
Box (1122)  2  2 
Box (1112)  3  3 
Straight & box (1234) win box only  0.25  0.25 
Straight & box (1123) win box only  0.5  0.5 
Straight & box (1122) win box only  1  1 
Straight & box (1112) win box only  1.5  1.5 
Straight & box (1234) win both  6.5  6.5 
Straight & box (1123) win both  6.75  6.75 
Straight & box (1122) win both  7.25  7.25 
Straight & box (1112) win both  7.75  7.75 
The table above shows that a straight ticket pays 12.5 shares when a fair number of shares would be 12. This means that players betting box tickets are subsidizing straight ticket players. Thus, my advice for Daily 4 bettors is to make straight bets only.
The following table shows the probability of winning each prize, the average win, and return, based on an overall 50% return and assuming players bet equally between straight and box bets.
Daily 4 Return Table
Bet  Probability  Average Win  Return 

Straight  0.0001  $5,102.04  51.02% 
Box (1112)  0.0004  $1,224.49  48.98% 
Box (1122)  0.0006  $816.33  48.98% 
Box (1123)  0.0012  $408.16  48.98% 
Box (1234)  0.0024  $204.08  48.98% 
Fantasy 5
Fantasy 5 is a simple, $1 daily game where the player and lottery each pick 5 numbers from a range of 1 to 39. If the player matches at least three, then he wins instantly. Catching two wins a free game. If the player buys at least five tickets at once, then he will be entered into a "second chance" game.
The percentage of ticket sales returned to winning players is 50% (source: California Lottery Regulations, page 25). That 50% is divided as follows:
 Match 5: 40%
 Match 4: 25%
 Match 3: 31%
 Match 2: Free play
 Reserve: 4%
This does not mean the odds are the same every game. Roughly 36% of the time nobody will match all five numbers, which will result in a larger prize pool in the following drawing. Naturally, large prize pools for matching all five numbers induces more competition from other players. Remember, much like poker and bingo, when it comes to the California Lottery, you're not playing against the lottery, but against the other players.
The following table shows the probability and contribution to the return for all possible outcomes, based on the 50% return percentage, the various prize shares, and the probability of each outcome. The wins shown are averages. I assume the 4% directed to the reserve goes to the other three cash prizes on a prorata basis. I also assume that if the player matches two numbers, for a free play, he will keep playing until he either wins something or loses. In other words, this table is on a "bet resolved" basis.
Fantasy 5 Return Table
Catch  Average Win 
Combinations  Probability  Return 

5  $107,482.71  1  0.000002  0.208333 
4  $395.16  170  0.000330  0.130208 
3  $14.85  5,610  0.010874  0.161458 
0 to 1  $0.00  510,136  0.988795  0.000000 
Total  515,917  1.000000  0.500000 
The probability of any win, assuming free plays are rebet until resolved, is 1.12%.
SuperLotto Plus
This is a $1 game that generates the largest jackpots and is exclusive to California. It follows a format of choosing 5 "white" balls from 1 to 47 and one Mega Ball from 1 to 27. The jackpot is paid as a graduated annuity, meaning payments start out small and get larger, if the lump sum is not chosen.
The percentage of ticket sales returned to winning players is 50% (source: California Lottery Regulations, page 48). That 50% is divided as follows:
SuperLotto Plus — Prize Allocation
Catch  Mega Ball  Probability 

5  Yes  60.50% 
5  No  3.00% 
4  Yes  1.50% 
4  No  2.50% 
3  Yes  2.25% 
3  No  11.00% 
2  Yes  6.00% 
1  Yes  5.75% 
0  Yes  4.50% 
Reserve  3.00%  
Total  100.00% 
Based on a 50% return, the prize allocation above (assuming the reserve is spread on a prorata basis to the other prizes), and the probability of each prize, I show the following theoretical average wins for each prize.
SuperLotto Plus — Return Table
Catch  Mega Ball 
Average Win 
Combinations  Probability  Return 

5  Yes  $12,915,925  1  0.000000024  0.311856 
5  No  $24,633  26  0.000000628  0.015464 
4  Yes  $1,525  210  0.000005070  0.007732 
4  No  $97.75  5,460  0.000131832  0.012887 
3  Yes  $55.79  8,610  0.000207889  0.011598 
3  No  $10.49  223,860  0.005405111  0.056701 
2  Yes  $11.16  114,800  0.002771852  0.030928 
1  Yes  $2.19  559,650  0.013512778  0.029639 
0  Yes  $1.13  850,668  0.020539423  0.023196 
0 to 2  No  $0.00  39,653,068  0.957425392  0.000000 
Total  41,416,353  1.000000000  0.500000 
The probability of any win is 4.26%.
You can calculate the return for any given prizes with my SuperLotto Plus calculator.
Daily Derby
The Daily Derby is a $2, daily game in which the player chooses, in order, three numbers from 1 to 12, without replacement. In other words, the same way the player would bet a trifecta in a 12horse race at the racetrack. In addition, the player must also pick three numbers from 0 to 9, with replacement, to represent the last three digits in the starting time of the race, which starts sometime between 1:40.00 and 1:49.00 PM. After betting closes, the Lottery will randomly choose the same things. If the player gets at least the winning horse or the race time, he will win something.
Before going further, let me review some horse racing terminology:
 Trifecta: Choosing the first three finishing horses, in order.
 Exacta: Choosing the first two finishing horses, in order.
 Win: Choosing the winning horse.
Prizes are parimutual style, where the lottery returns approximately 50% of total money bet (source: California Lottery Regulations, page 12) of the total ticket sales. Because it is parimutual, there is not a fixed pay table but how much you win will depend on how many other winners you will have to share with.
The following table shows how much of the prize pool is directed towards each type of win.
Daily Derby
Win  Share of Prize Pool 

Trifecta and time  14% 
Trifecta only  36% 
Exacta only  16% 
Win only  25% 
Time only  5% 
Reserve  4% 
If the player wins for both the win or exacta and the time, then he shall be paid for both. For example, on the April 5, 2016 drawing a win for the winning horse only paid $3 and the race time only paid $56. So, a win for both paid $59.
The next table shows the probability, average win, and contribution to the return for each type of win. I assume the 4% directed towards the reserve is distributed on a prorata basis to the other wins, according to win share. The return column is the product of the average win, probability, and 0.5. The reason for dividing by 2 is the ticket cost is $2, and I'm trying to show the return per dollar bet.
Daily Derby Return Table
Event  Average Win 
Combinations  Probability  Return 

Trifecta & time  $192,500.00  1  0.00000076  0.072917 
Exacta & time  $80.80  9  0.00000682  0.000275 
Win & time  $59.90  100  0.00007576  0.002269 
Time only  $56.48  1,210  0.00091667  0.025887 
Trifecta  $492.54  999  0.00075682  0.186383 
Exacta  $24.32  8,991  0.00681136  0.082837 
Win only  $3.42  99,900  0.07568182  0.129433 
Loser  $0.00  1,208,790  0.91575000  0.000000 
Total  1,320,000  1.00000000  0.500000 
Hot Spot
This is a keno game played every four minutes from 6 AM to 2 AM every day. The player may bet $1 to $20 per game. As in conventional keno, the player picks 1 to 10 numbers from a range of 1 to 80. The Lottery selects 20 numbers from the same range. The more numbers the player picked that match the Lottery draw, the more he will win.
Prizes are parimutual style, where the lottery returns 63% of total money bet to winners (source: California Lottery Regulations, page 28) of the total ticket sales. In other words, there is not a fixed pay table but how much you win will depend on how many other winners you will have to share with. Often, there are no winners for longshot wins. The rules are rather complicated, but basically prize pools carry over to the next game for any given type of win if there were no winners.
The following table shows the probability of any given win according to the number of picks and the number that match the Lottery draw.
There is another kenobased game called the Bulls Eye. In this game, the first number drawn by the Lottery must match one of the player's picks. If it does, the player will automatically win something, depending on the number of other balls in the draw that match his other picks. If not, he is an automatic loser.
The player may not play the Bulls Eye alone but may play it on a 50/50 basis with the Hot Spot game, if he wishes. The California Lottery web site does not indicate the return percentage of the Bulls Eye game, so you're on your own with that one.
The following table shows the probability of each possible win in the Bulls Eye game. The "Catch" column refers to the number of picks the player matches to the Lottery draw, not including the first ball.
The regulations for Hot Spot are confusing when it comes to how the prizes are determined. However, they do kindly indicate "Typical Prize Amounts" for the Hot Spot game on page 29 of the Regulations, as follows:
When these typical prize amounts are applied to the probability of winning, it results in returns of less than the 63% claimed in the Regulations. What does the Lottery do with the extra money? The Regulations say, "The Director will prevent the Wagered Prize Fund from exceeding $2.9 million through augmentation of Prizes and implementation of Promotions, including the issuance of free Hot Spot tickets, from time to time."  Section 3.5.4.B(2), page 29.
The Regulations also state "Typical Prize Amounts" for the Bulls Eye game (section 3.5.6.C(1)), as follows:
*: The Catch column does not include the Bulls Eye ball.
The final table on this game shows the return of both the Hot Spot and Bulls Eye bets according to the number of picks, based on the Typical Prize Amounts in the Regulations and the probability of winning. I know these fall short of the 63.5% return claimed, but the Regulations don't give me enough information to analyze this one properly.
Hot Spot and Bulls Eye Returns
Pick  Hot Spot  Bulls Eye 

1  50.00%  55.00% 
2  54.11%  55.85% 
3  63.83%  59.76% 
4  65.86%  61.63% 
5  65.16%  59.99% 
6  57.43%  55.77% 
7  57.66%  57.35% 
8  58.45%  56.61% 
9  55.51%  57.01% 
10  59.66%  55.47% 
Scratchers
Scratch card games are simple games on a card. The player scratches to reveal his prize. At the time of this writing, scratch cards were available at costs of $1, $2, $5, $10, $20, and $30.
The Lottery doesn't implicitly state the percentage of money returned to the player. However, they kindly indicate the number of tickets printed and the odds of winning, which is enough to calculate the return percentage. Let's look at the Year of the Monkey $1 game, as an example. They tell us everything we need to know, except the numbers of losing tickets. We can get at the total number of all tickets printed by multiplying the number printed for any given win by the inverse of the probability of winning. For example, there were 38 $800 tickets printed. The probability of winning is 1/487263. So, the total tickets printed is 38*487,263 = 18,515,994.
Next, let's subtract out the "ticket" winners, under the assumption the player will keep playing until he either wins some money or loses. They tell us the number of ticket wins is 1,555,344. So, the sum of monetary wins and losses is 18,515,994  1,555,344 = 16,960,650. The total monetary wins is 2,319,026. That leaves 16,960,650  2,319,026 = 14,641,624 losers.
We can now set up a return table for the game, as follows:
Year of the Monkey
Win  Tickets  Probability  Return  

800  38  0.000002  0.001792  
100  495  0.000029  0.002919  
40  7,684  0.000453  0.018122  
20  44,439  0.002620  0.052402  
10  162,950  0.009608  0.096075  
5  399,916  0.023579  0.117895  
4  592,502  0.034934  0.139736  
2  1,111,002  0.065505  0.131009  
Loser  14,641,624  0.863270  0.000000  
Total  18,515,994  1.000000  0.559951 
The lower right cell shows the Year of the Monkey game has a return of 56.00%. The probability of any win is 100%  86.33% = 13.67%.
However, not all games have the same return. As a rule of thumb, for any given denomination, returns are in a tight range. As you pay for more a ticket, the return percentage goes up. Here is the average return of some games I sampled, by denomination:
Scratch Card Average Returns
Bet  Average Return 


$1  56.75%  
$2  61.95%  
$5  66.97%  
$10  72.95%  
$20  76.22%  
$30  79.72% 
I'm sure some people will not appreciate my mentioning this, but there is a potential advantage play in scratch card games. The California Lottery is nice enough to indicate how many tickets for each win have already been cashed. If there is a game that is almost sold out, as evidenced by the small wins, with a high ratio of large wins still unclaimed, then it may mean the remaining unsold tickets are rich in big winners. The same principle as card counting in blackjack. I'll leave the details to the reader (don't you hate it when I say that?).
MultiState Games
California participates in part of both multistate lotteries, the Powerball and Mega Millions.
According to Lottery regulations, approximately 50% of money bet is returned to winning players source: California Lottery Regulations, page 36, 42). Unlike other states that participate in these games, all prizes in California are on a parimutual basis. However, the big jackpot will be the same as it is in the other states, at any given time.
Please see my Powerball page for more information on that game. A Mega Millions page is coming soon.
Second Chance
Losing Scratchers, Fantasy 5, and SuperLotto Plus tickets are eligible to enter a weekly second chance drawing. To enter the drawing, the bettor must open an account through the California Lottery web site and submit the losing ticket numbers. In the unlikely chance the player wins anything in the weekly drawing, he will be alerted by Email.
Based on a randomlychosen week, I estimate players bet $2,561,530 on Fantasy 5 tickets. The second chance drawing for that game pays out $42,000, for an additional return to the player of 1.64%.
By similar math, for the SuperLotto Plus, I show $5,044,584 in ticket sales and $75,000 in prizes for an additional 1.49% of money bet returned to the player.
I do not know the return paid to Scratchers players, but assume it to be about the same.
Of course, to have a chance at a Second Chance, you have to enter. The expected return will be greater than the figures above according to how many other losers don't bother to enter the Second Chance drawing, as you are competing against only players that enter.
Internal Links
External Links
 California Lottery — Official web site.
 California Lottery Regulations — The fine print of the game rules.
 Wikipedia — Page on the California Lottery
Written by:Michael Shackleford