On Shorts, the swipe decision happens in under a second of perceived content. On long-form, you get about 8 seconds before the back button starts winning. Either way, the first line of your script carries more retention weight than the next hundred, and most creators spend it saying hello.
Here are four hook structures that keep working in 2026, each with rewrites showing what it looks like in practice.
First, the intro that murders retention
"Hey guys, welcome back to the channel. Today we're going to be talking about..."
Count what that sentence costs. "Hey guys" carries zero information. "Welcome back" assumes a returning viewer, and for any video that gets recommended, most viewers are new, so you opened by telling them this video was not made for them. "Today we're going to be talking about" is a 7-word promise to start the video later.
That opening burns 8 to 10 seconds, exactly the window where 20% to 35% of viewers decide to leave. Channels that cut the greeting routinely report 5 to 10 point retention gains at the 30-second mark. Nobody has ever clicked away because a video started too soon.
Formula 1: the cold open
Start inside the most interesting moment, then back up to explain how you got there. Film and television have run on this structure for 60 years because it works.
Before (long-form): "What's up everyone. Today I'm reviewing the new DJI drone and giving you my honest thoughts after two weeks of testing."
After: "This drone flew into a tree on day two, and I'm still recommending it. Here's why."
Before (Short): "Let me show you a pasta recipe I've been loving lately."
After: Open on the finished dish being cut, steam rising. First line: "Four ingredients. Eleven minutes. No oven."
The cold open works because it inverts the usual contract. Instead of asking viewers to trust that a payoff is coming, you show the payoff and make them stay for the path to it.
Formula 2: the specific number
Numbers are credibility you do not have to argue for. "A lot of money" is a claim. "$4,217" is a fact someone apparently checked.
Before (long-form): "I tried posting on YouTube every day for a while and the results were surprising."
After: "I posted 31 videos in 31 days. Twenty-eight of them died under 1,000 views. The other three brought in 40,000 subscribers, and they share one thing the rest didn't."
Before (Short): "Here's how I edit my videos faster."
After: "My edits took 6 hours. This one took 90 minutes. Same video, three changes."
The trick is precision. Round numbers read like estimates, and estimates read like padding. 28 beats "most." $4,217 beats "thousands."
Formula 3: the contrarian claim
Take the standard advice in your niche and open by disagreeing with it. This one demands real backup, because a contrarian hook with a weak payoff trains viewers to skip you next time.
Before (long-form): "Today let's talk about whether you really need a niche on YouTube."
After: "Niching down is the worst advice for small channels, and data from 200 channels under 10k subscribers backs that up."
Before (Short): "Some thoughts on morning routines."
After: "Your 5 a.m. routine is why you're tired. I deleted mine and doubled my output."
The hook is the disagreement stated as fact, no hedging. "Some people think niching down might not always be ideal" is the same idea with the spine removed, and viewers feel the difference inside one sentence.
Formula 4: the open loop
Name a specific payoff, withhold it, and make staying the only way to close the gap. The key word is specific. "You won't believe what happened" is a dead loop, because a decade of clickbait taught everyone the answer is nothing.
Before (long-form): "I'm going to share some tips for getting brand deals, including a really important one most people miss."
After: "Brands turned me down 43 times. Then I changed one sentence in my pitch email and closed three deals in a month. The sentence comes at the end, because you need the context first."
Before (Short): "Watch this whole video for a crazy tip."
After: "Three settings are ruining your phone camera. The third one is on by default, and you've never opened the menu it lives in."
On Shorts, the open loop has a second job: when the payoff lands in the final second, completion rate climbs, and looped rewatches push average percentage viewed past 100%.
The re-hook at 30 seconds
The first hook buys you about 30 seconds of trust. Around that mark, plant a second, smaller one: an open loop or a number that previews the next section. "That's the cheap fix. The expensive one saved me 11 hours a week, and it's coming right after this." Long-form retention graphs usually show a second, smaller cliff between 0:45 and 1:30, and a re-hook is the cheapest way to flatten it.
Matching the formula to the format
Long-form rewards loops and numbers, because viewers are committing minutes and want a mapped payoff. Shorts reward cold opens, because the swipe decision happens before a loop can even be set. The contrarian claim works everywhere but spends audience trust, so save it for positions you genuinely hold.
Whichever you pick, the test is the same. Read your first two lines and ask what a stranger gains by staying through them. If the honest answer is "they learn what the video is about," the hook is doing a title's job, and the title already did it. Cut until the first line earns the second.