How are you meant to finish a stream reward if there are no streams near the deadline?

Check the promotion details for which streams count and whether there are any scheduled before the end date. If there aren’t enough eligible hours left, save a screenshot of the requirements and dates, then ask the game’s support team whether the window or reward can be clarified. There may not be a workaround if no qualifying stream is available.

The end date can be misleading if the reward also depends on streams happening during that period. A clearer announcement would list the broadcast schedule alongside the hours required, so people can tell whether finishing is realistic. I’d treat the stated dates as the only confirmed information and avoid assuming another stream will be added.