Alaska Airlines is really bad about releasing lower fare buckets earlier, and that's one reason I end up not booking with them as much as I want.
E.g. I wanted to lock in an Austin-Seattle trip, where typical one-way pricing is alway $100-150. But if you look far in advance, alaska is only selling $500+ fares one-way on every single day. Fine, I'll book with delta instead who have released lower fare buckets already.
Same with Anchorage-Seattle route now, where alaska consistently prices itself almost $200+ one-way during the summer unless its closer in, while everyone from JetBlue/Delta and even SunCountry now are selling $100ish fares. I understand there are loyalist, but my loyalty has a price limit and its not that high.
If they don't release lower fare buckets they'll lose out on anyone who is booking more than 2 months in advance, which isn't many people but still not insignificant.