I need a little clarification of fundamental server updates on the weekend. This is important and impacts institutional level trading.
Saturday is a full load.
Sunday is an early update.
Monday morning loads final weekend data (mostly just those few aggregate estimates)
So my big question is if there is a significant difference between the Saturday full load and the Sunday early update. For reference, I am only concerned about the impact on S&P 500 stocks.
Thank you for any light you can shed. Would love to rebalance and get the report ready on Saturday. But not if it makes a material difference.
So fundamental data is updated daily. My concern is the difference between Saturday and Sunday’s update. It would help me a lot if I could prepare my report and rebalancing for institutions on Saturday instead of a rush job on Sunday. I just am unsure on how much extra data comes in on Sunday.
Same question here. Actually I just found this thread in a search as I’ve been noticing a strange weekend rank trend with some ML driven strategies.
Specifically:
Let’s say I have a long strategy that sells when rank < 95. Often, there will be a select few stocks that always look much worse on Saturday after the full load (say rank 85), but then good again on Sunday after the morning update (say rank 98). I’ve also seen the exact opposite effect. This will happen every week with these wonky stocks until there’s a proper fundamental or analyst update that substantially changes the ranking.
This wouldn’t be a problem if I understood what was going on that might trigger these unusual rank behaviours. I’ve assumed the Sunday data is better than the Saturday data, but maybe I’m wrong?
I think it depends on whether you use revisions data. If you want revisions I remember you have to wait until sunday, but would be good if someone could confirm that
I think you might be referring to the early Monday morning update for those revision points. But I am more concerned about Saturday’s full load update vs. the Sunday ‘early update’.
I should also add that the ‘revision data’ isn’t what I thought it was. There is some aggregate revision data like net upward revisions and stuff like that which I never used. But regular rev data like quarterly and annual EPS or FCF revisions are fine.
Yes was just speaking about the aggregated ones. Not using them much so not too sure otherwise. Hope you get some clarity there. I want to know as well since I do some rebalancing work every weekend as well
