Celestial Sigils

Anyone know if the Sigil Traders are working or not? I keep seeing them in the In Stock window but by the time I double click on them she says "Sorry, just ran out" Anyone know if this is broke or are people just buying them that fast? Spent quite awhile there and saw many appear, and once one appeared if I didn't click on it, walked away and came back it would still be there until I double click again. So I'm guessing it's broke, but just wanted to know if anyone knows for sure. Thanks

Ossain Taishar
Knights of Winter