The hardest part of this whole thing is finding someone who a) gets regular access to potential useful information, b) talks about it in public, which most of them probably don't, c) you can generally be close enough to overheard consistently but without being "that weirdo that always wants to sit behind me", all while being lucky enough to hear something at the right time.

If this guy had bought these calls last week (at same DTE) all he would have accomplished is donating $22k to some bank or hedge fund somewhere.