If the stock market went up today, historical data show that it has a 60% chance of going up tomorrow, a 20% chance of staying the same, and a 20% chance of going down. If the market was unchanged today, it has a 20% chance of being unchanged tomorrow, a 40% chance of going up, and a 40% chance of going down. If the market goes down today, it has a 20% of going up tomorrow, a 20% chance of being unchanged, and a 60% chance of going down. Calculate the stable distribution for the stock market.