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The Math of Inkigayo (161006 version)

okay, so I promised a post about how Inkigayo calculates weekly points. the math is all explained on the website, but it’s in Korean, and lord knows it’s confusing so I’m going to try to break it down as simply as possible.

first of all, here is the list of how points are calculated, from what sources, etc.

□ Chart Aggregation Period

- Monday two weeks before broadcast ~ Monday the week before broadcast
- SNS points are aggregated up until the day of broadcast

□ Chart Aggregation Itemization and Weight

① Preliminary Data Aggregation
DIGITAL SALES POINTS: 55%, from Gaon Digital Chart
SNS POINTS: 35%, from Youtube Official MV views (both 1theK and the ent company’s official channel)
PHYSICAL SALES POINTS: 5%, from Gaon Album Chart
VIEWER PRELIMINARY VOTING POINTS: 5%, from MelOn homepage + app

② Live Broadcast Data Aggregation
PRELIMINARY DATA AGGREGATION: 100%
LIVE VOTING: 10%

□ Chart Ratio Scoring Methods

- 5000 points are given to the 1st place in terms of the Gaon Digital Chart
- 3500 points are given to the 1st place in terms of MV views
- 500 points are given to the 1st place in terms of the Gaon Album Chart
- 500 points are given to the 1st place in terms of preliminary voting
- 500 points for the 1st place in terms of the expert opinion survey conducted before broadcast
- this adds up to a total of 10,000 points

- the 2nd place for each chart aggregation item is calculated as follows: <2nd place digital points/1st place digital points x 5500>, <2nd place SNS points/1st place SNS points x 3500>, <2nd place physical points/1st place physical points x 500>, <2nd place voting points/1st place voting points x 500>.

- in terms of live voting, there are 1000 points given to the artist with the highest number of votes. the 2nd and 3rd places are calculated as follows: <2nd, 3rd place votes/1st place vote x 1000>. that number is added to the “preliminary voting” number for a final score.

to give an example, if the points are as follows (I have highlighted the 1st place in each category for clarity) :

A) digital points 10,000 / SNS points 2,000 / physical points 10,000 / voting points 2,000
B) digital points 5,000 / SNS points 5,000 / physical points 5,000 / voting points 10,000
C) digital points 2,000 / SNS points 10,000 / physical points 2,000 / voting points 5,000

then it will be calculated as follows (I have highlighted the 1st place in each category for clarity):

A) <10000/10000 x 5500 = 5500 points> + <2000/10000 x 3500 = 700 points> + <10000/10000 x 500 = 500 points> + <2000/10000 x 500 = 100 points> = TOTAL 6800 points
B) <5000/10000 x 5500 = 2750 points> + <5000/10000 x 3500 = 1750 points> + <5000/10000 x 500 = 250 points> + <10000/10000 x 500 = 500 points> = TOTAL 5250 points
C) <2000/10000 x 5500 = 1100 points> + <10000/10000 x 3500 = 3500 points> + <2000/10000 x 500 = 100 points> + <5000/10000 x 500 = 250 points> = TOTAL 4950 points

so you can see how, using the calculations above, it’s totally possible for a group to have weak SNS and physical scores, but still win on their digital score alone.

□ Basis for Chart Aggregation

- the top 150 songs from the Gaon Digital Chart are included in the Inkigayo Chart
- only 2 songs per album can be included in the chart
- OST songs are excluded from the chart
- songs from audition shows and variety programs, etc. are excluded from the chart
- songs that are deemed inadmissible after deliberation by SBS are excluded from the chart
- songs that win #1 on Inkigayo three weeks in a row are included in the SBS Hall of Fame, but are excluded from the chart in subsequent weeks

that’s all folks! if you have any questions please feel free to ask via PM, I’ll do my best to answer them.