MM's do not have to show their entire hand. Tho
Post# of 11802
Those 10K on the ASK could be the tip of the iceberg.
In fact...
10K went out @ 12:18:00
and
the ASK did not change.
IF 10K was all NITE had, it would have driven up the SP and NITE would not still be sitting there with 10K showing.