Rules to one of the mentioned lotteries. [0] It looks like prize counts are fixed in advance, so any information about redemption changes odds. Blacklight also shows that the lottery website is riddled with trackers, so it is possible they are inferring redemption from advertising data.
[0] https://hoosierlottery.com/getmedia/33f6f7bf-f0e6-4265-bcbe-...