There are probably more of them, but two are hours away and I am tracking, others I might not know about myself.
At first, I thought both are today, but it turns out one event is planned for tomorrow while the other is today.
Let's start with the one from today...
SPS Snapshot in 3 Hours
... at the time of writing, i.e. at 11.30 AM EST or 3.30 PM UTC.
Details here.
Interested or not in Yaba's Pickle, in the first phase the SPS stake is a limiting factor regarding how many one can buy directly from the shop. If the demand will be high, those who buy the promo card at the special price of 150 DEC or credits for the first phase may be able to sell it at a higher price if they don't want to card. Or they may want to buy it from others at a premium if they want more, without leaving things to chance for the future phases.
Either way, how much SPS you have staked it important in this first phase, and the snapshot is in less than 3 hours by now, in case you want to make any last minute power ups to round up your SPS stake.
LEO Inflation Goes Away... Tomorrow
At first, I remembered it was either today or tomorrow, but after a little confirmation on Threads, it looks like it's tomorrow.
Starting tomorrow, the inflation of LEO on Hive-Engine will be set to zero and, from what Khal said at some point, they will also make it impossible to print more tokens in the future.
For end users nothing will change, although probably the amount of LEO they'll receive going forward as rewards for curation or other reasons (owning miners, for example) will be lower, in sync with the amount of LEO being bought back every day.
So, LEO rewards will come from buybacks, using funds from business revenue. The higher the revenue, the higher the buybacks. Currently, the majority of the revenue comes from affiliate fees on LeoDex.
Besides LEO rewards earned on Hive-Engine, a new reward will be distributed to stakers of LEO on Arbitrum. In this case, USDC rewards will be earned, instead of LEO.
So... we will have two options going forward: on Hive-Engine doing the activities we already know, we will continue to earn the volatile LEO rewards, probably less than when we had inflation. But we will have the power to distribute the rewards given by our stake, much like we had it when the reward were inflation-based.
On Arbitrum, staking LEO will produce stable rewards, probably varying by the revenue of the business, but not as a token, since we are talking about USDC.
These are two models which may be better suited in certain market conditions and depending on what a person wants: to grow their LEO stake hoping it will go parabolic at some point, or being happy with a token that may be more useful for... real life purchases and short term.