No. When the result of INTCK is 0, it means that both dates are within the same interval. Your condition would also validate all dates after the month.
Study the documentation of the INTCK Function
Edit: fixed a typo
These conditions would only be equivalent if &sampdate was the last day of the month.
It's finally time to hack! Remember to visit the SAS Hacker's Hub regularly for news and updates.
Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.
Ready to level-up your skills? Choose your own adventure.