
Michael Sullivan
Engineer and fiction writer turned Bitcoin sentiment analyst who publishes weekly language-analysis research on his Substack, Sentiment Sully.
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Sep 2, 2026
Smart Money Is On The Wrong Side Of Bitcoin
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Tyler RoweHOST
I've got to ask, Michael, what's your background in language analysis? How did you get interested in this to begin with? And I guess what makes what do you think makes, you know, language analysis in the Bitcoin space so interesting and interesting? Is it different than other, you know, investment cohorts? What have you learned by, you know, by digging into this analysis in Bitcoin?

Michael SullivanGUEST
So I've been an engineer for like 13 years working in like FinTech and engineering spaces.
26 MINS LATER

Tyler RoweHOST
Was there something about the BIP110 project that lent itself to maybe some of that isolation or echo chamber activity?
This Bitcoin Rally Feels Fake (The Data Says Otherwise) | Michael Sullivan
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33:22NathanHOST
what narratives are you following right now? What's kind of maybe popped up on the radar that might be a shift or something that's of new interest?

Michael SullivanGUEST
I got to talk about the story thing first, because again, background as a fiction writer, like this was huge to me.

Michael SullivanGUEST
And like, I don't think people realize like how much story is intertwined with human history.

Michael SullivanGUEST
Story was like one of the original forms of human data compression, where you can like pack, like, entire theories, ways of being for a culture into short, compressed stories that are then meme-able and spreadable over time.

Michael SullivanGUEST
And if we don't have those, we try to find stories to latch onto to explain ourselves.

Michael SullivanGUEST
Stories don't even, in the Bitcoin space too, the more I've talked about narratives, I've noticed that people that have been around longer find this more interesting in general, because if you've been in Bitcoin for a while, you've watched different language be used to describe what Bitcoin is.
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54:19NathanHOST
Yeah.
Bitcoin Desire Hits 8-Year Low | Michael Sullivan SLP756
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Stephan LiveraHOST
And I think you're also saying the people pro-110 spent a lot more time on that issue compared to the anti-110.

Michael SullivanGUEST
And a lot of people yell at algorithms and echo chambers and say that it's just like completely algorithmically driven.

Michael SullivanGUEST
I think that as much as we like to villainize algorithms, they're trying to give us what we want.

Michael SullivanGUEST
This is particularly top of mind right now because Twitter just changed their algorithms quite a bit to show us people we actually follow.
5 MINS LATER

Stephan LiveraHOST
On the question of OGs versus plebs, can you explain a bit of your thinking there on where they diverge?
Bitcoin's Emotional Cycle Just Hit a Critical Point | Michael Sullivan | BFM264
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Michael SullivanGUEST
So there's like a lot going on on these screens, um, but it's-- this has maybe been one of the most interesting findings I've seen since this.

Michael SullivanGUEST
What this is visualizing is showing the average excitement levels in language.

Michael SullivanGUEST
Again, this is like looking through every individual's tweet, seeing how many excited words they're using, and looking at it over time.

Michael SullivanGUEST
And the reason this has been like one of the most high signal things I've found is because of kind of like what's happening on an interpersonal level when you've been in Bitcoin for a longer dat- duration of time.

Michael SullivanGUEST
So something that I've personally experienced is when I first came to Bitcoin, I was disproportionately affected by every new narrative out there.
21 MINS LATER
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35:01Bram KansteinHOST
We're using new words to describe, you know, little issues, um, um, here and there." And so I kind of wanted to ask you, like, do you see that Bitcoin is kind of like developing its own counter language? Um, and is that good, or do you think, you know, that kind of is a, a, a barrier for people, like that doesn't help in, in the, in the paradigm shift? I really wonder what you think of that.
What Bitcoin Twitter Is Signaling About the Market Bottom w/ Michael Sullivan
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Michael SullivanGUEST
I did add two charts here that I think are the most interesting mood thing happening right now that I wrote about briefly.

Michael SullivanGUEST
The chart that you're looking at there does have 14-day smoothing happening on it, like a weighted moving average, basically, for the mood.

Michael SullivanGUEST
Because somebody will have an event happen, or there will be something in the news, and people will be freaking out about it, and it'll go up and down and up and down.
6 MINS LATER

Nick BatiaHOST
And so if you can, you know, with protecting, of course, what you do on a proprietary basis, just tell us how some of it works, some of You said that you were inspired by others, but how you came up with some of the ways that you're doing this sentiment analysis
PEAK APATHY: NO ONE CARES ABOUT BITCOIN - TIME TO DOUBLE DOWN | CHECKMATE & MICHAEL SULLIVAN
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Michael SullivanGUEST
That last bit is so interesting to me because like we, we're all like really emotional animals.

Michael SullivanGUEST
Like despite like all the, the Bitcoiner disposition to be a little bit autistic and go deep into numbers and like have all this logic, like we are all predisposed to be very sensitive to our emotions, even if you're not in tune with them.

Michael SullivanGUEST
And that's been one of the more, uh, interesting, optimistic things about all this, is like recognizing that you're not just forming your opinion in an isolated vacuum of emotion or lack of emotionality.

Michael SullivanGUEST
There's like every podcast you go into, every time you scroll Twitter or wherever else, everybody around you is in a specific mood, and it's disproportionately more easy to adapt the same mood as other people.

Michael SullivanGUEST
So just like people have been asking me like, "All right, how do I trade with your sentiment data?" Like, is there like signals that are go off? And like that's not the best takeaway in my opinion.

Michael SullivanGUEST
The better takeaway is like looking what current emotional regime we're under, because you're gonna learn a little bit about the predispositions and narratives that people are more likely to tell when you're under the influence of different emotions.
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63:41Walker AmericaHOST
I guess, what would you say to them about trying to extricate yourself from that herd sentiment mentality that's so easy to get sucked into?
#756: Why Anger Is A Buy Signal with Michael Sullivan
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Marty BentHOST
How did you get into sentiment analysis within Bitcoin specifically, and what, what set you down this particular rabbit hole?

Michael SullivanGUEST
I've been an engineer for like thirteen years, a writer for something like nine or ten now.

Michael SullivanGUEST
Uh, came into Bitcoin around twenty twenty-one, uh, for a lot of the same reasons that people did around that time with, like, um, money printing going crazy and that sort of thing, and just meant-- went immediately crazy deep down the rabbit hole.

Michael SullivanGUEST
Uh, I was a big writer at the time and was so just, like, profoundly inspired by Bitcoin that I had this creative energy around it.

Michael SullivanGUEST
Got deep into writing, and a lot of people in the Bitcoin space know me as the guy who's writing a Bitcoin novel.
56 MINS LATER
Bitcoin is Dead | Bitcoin Sentiment | Live W/ Michael Sullivan and Vince
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20:29VinceHOST
dude i felt no euphoria on the way to 126k like the rsi was like way too low i don't know i kind of felt the same way if i'm being honest i was like 126k i was pumped but like we haven't felt that euphoria i don't think since the first i don't know when's the last time you felt like a big euphoria or

Michael SullivanGUEST
The most euphoric I've ever been in Bitcoin was after the election, probably, and it's 2024.

Michael SullivanGUEST
That big spike at the end of 2024 there when we broached 100K for the first time was not the same.

Michael SullivanGUEST
So what we're actually looking at here is the optimism in the language of OGs over time.
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40:57VinceHOST
And so, yeah, you're spot on, dude.