Change in KOSPI 200 (K200) Options Contract Spec

There are some changes to KOSPI 200 (K200) Options contract spec.  It is a shame that I don't know when it had been changed, how to get alerted when such changes happened.  Fortunately, the changes are good changes.

These are the changes:
1. Tick Size & Value
0.01 point (KRW 5,000) for less than 3 10 point of premium
0.05 point (KRW 25,000) for 3 10 point or more of premium

2. Strike Price Interval
At newly listing date:
① The nearest 3 6 contract month : 13 25 strike prices with 2.5p interval
(6 12 are in-the-money, 1 is at-the-money and 6 12 are out-of-the-money)
② The next quarterly month : 7 strike prices with 5.0p interval
(3 are in-the-money, 1 is at-the-money and 3 are out-of-the-money)
② The 7th and 8th nearest contract month : 13 strike prices with 5p interval
(6 are in-the-money, 1 is at-the-money and 6 are out-of-the-money)
③ The farthest 3 contract month : 7 strike prices with 10p interval
(3 are in-the-money, 1 is at-the-money and 3 are out-of-the-money)

Strike price shall be additionally set to maintain the number of strike price described as below
① The nearest 6 contract month : 25 strike prices with 2.5p interval
② The 7th and 8th nearest contract month : 13 strike prices with 5p interval
③ The farthest 3 contract month : 7 strike prices with 10p interval