Every day from 9/16 to 9/24 at 2200PDT (GMT-7), a number of coins will be flipped. A day after the final flips, this market will resolve YES if there were more total heads flipped than tails.

9/16: 1 flip (H: 1, T: 0)
9/17: 2 flips (H: 1, T: 1)
9/18: 4 flips (H: 4, T: 0)
9/19: 8 flips (H: 5, T: 3)
9/20: 16 flips (H: 7, T: 9)
9/21: 32 flips (H: 15, T: 17)
9/22: 64 flips (H: 27, T: 37)
9/23: 128 flips (H: 68, T: 60)
9/24: 256 flips (H: 124, T: 132)

Final total:
HEADS - 252
TAILS - 259