I noticed something quite interesting a few days ago. I was watching hockey game and left the tv area to go to the kitchen. Through my kitchen window I can see my neighbors tv through their window and they were watching the same hockey game. On their tv I saw that my team had scored, then quite a few seconds later I heard the commentators on my TV erupt with the play by play of the same goal. There is a 15 plus second difference in the broadcast signals between my provider (cable tv) and my neighbors (satelite tv). The last few days i have conitnued to check and the delay has remained consistent.
I then started playing around with the same channels i was watching through cable tv with the live streaming internet versions. Internet seemed ahead of cable TV.
Anyway, the point of the post is to inform those in this forum that may rely on television news feeds to confirm that they have no major delays.
I would never personally recommend using television as your news source and this is just another reason not to....
It's a definite hazard, and depending on either a web stream or other feed for live news, and/or trading is a losers game for lots of reasons, least of which is actually trying to trade the news event.
But that aside, I think the Canadian aspect complicates things another layer; I'm not an expert, but Canadian satellite providers, as they take over the US feed version of the programming, will actually often superimpose their own commercials over top of the existing feed (for revenue) and I expect they need a purposeful delay to make this happen; it used to be that even OTA and/or with cable, you could catch a fraction second snippet of the US commercial, then the Canadian one comes on, but technology has pretty much eliminated that over the years.
And if you watch enough web feeds/TV, you notice things like the 3 bloomberg feeds all have different delays, and when they're broadcasting EU bureaucratic stuff and you can watch it direct from the EU source, it's hit-and-miss on which one is 'faster.' On the other hand, proper paid services like CME pit audio and Talking-Forex are pretty much realistically live. It's all really "user beware."