Calculating your own Prop scores and daily ADT/theo

The question often comes up as to how Harrahs calculates your ADT on a given day. Your day’s ADT, or day theo, is the number that is averaged into previous day theos to come up with Prop18, Prop19 and Prop20. Prop18 is the last 6 day theos averaged together.

It is quite easy, and advantageous, to keep track of each day’s day theo so that you know how to maximize your Prop18 score, which is a strong variable in offers and rooms reserved. Remember, though, that Prop18 is just a designation of ALL your day theos averaged together for the last 6 trips. Each property has its own day theo, which you can’t find out unless you actually play only at one property on a given day, and record your information as I will explain below.

First, your day theo can be calculated easily once you know how many Rewards Credits you earned in a given day of play. The day theo average ends upon the end of the gaming day, which varies from property to property and style of game played (video versus table). Some properties have a video day of 6am to 6am, while the same property might have a table day of midnight to midnight. I really want to provide that specific information under each property’s page here, so please furnish that info if you know it.

Once you know your total Rewards Credits earned (all are usually banked around 1pm PST the next day), just divide that number by 5 to figure out your day theo for that property and that play day. If you earned 5000 Rewards Credits total, your day theo for that day is 1000, which is the figure averaged with the previous 5 day theos. I like to write that down in a spreadsheet along with the property I played at. If you wager at multiple properties in one day, it is much more complicated to figure out each property’s day theo, but you’ll still know your overall day theo due to RCs banked. I don’t play at more than one property in a day, so I don’t worry about combining RCs between properties.

Since I keep track of RCs earned each day (and TCs), I know not only my overall ADT for 6 trips (Prop18) but I can break down my ADT for specific properties. This helps compare if marketing offers are based on a specific property’s ADT, or an overall ADT (Prop18). I don’t believe that Prop19 or Prop20 have much to do with offers except for the “Please come back offers” that some people when their Prop19 and Prop20 are high, but their Prop18 is low because they stopped playing as much. The properties want you to come back and be that higher roller, so there are marketing offers kicked out to people who hit-and-run and stiff properties, at least until you continue your stiffing or go back to the old wagers.

I will provide an example of my spreadsheet that I use (in Excel format) so you can use it for your own benefit. Since I keep track of ALL my wagering days, I can confirm that my system is almost perfect as my “expected” Prop18 is very close to my actual. I just take the last 6 day theos (the last 6 days of RCs earned divided by 5) and that usually comes close to Prop18. The difficulty is if some RCs are rewarded hours after I stop playing, on a new day, which seems to be the case if you play close to the end of the gaming day. I don’t think this triggers a new trip overnight, but it does seem to skew the averages a tiny bit (2% or so).

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