TermsMeasure

{
  "at": "2026-09-17T00:00:00Z",
  "basis": "close",
  "granularity_seconds": 60,
  "window_start": "2026-09-16T16:00:00Z"
}

string

The instant that decides it: the deciding candle's close, ISO-8601 UTC.

Example:

"2026-09-17T00:00:00Z"

basis

string

close | close_vs_previous_close (this window's close against the previous window's close; a tie resolves up)

Example:

"close"

granularity_seconds

integer

Example:

60

window_start

string

A direction market's window opens here; at is when it closes.

Example:

"2026-09-16T16:00:00Z"