Jenny Just
Co-Founder and Managing Partner, PEAK6 Investments. On 2 shows, 2 appearances. The Shows tab opens the full record on each.
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Jenny Just is a billionaire investor who co-founded PEAK6 Investments in 1997 as a proprietary options trading firm, later scaling Apex Fintech Solutions. In 2020, she founded Poker Power, an initiative using Texas Hold'em to teach women risk-taking and strategic decision-making in business and finance.
2shows
2appearances
34statements
4resolved
2supported
0contradicted
50%fully supported
12said about them ↓ Everything Jenny Just said on any show that made the record, most notable first. Each card names its show and opens the statement there.
Just: PEAK6 employs more female capital allocators than any other firm
“I think peak six has done a really good job of bringing, you know, a wide range. Including a lot of females, more than anybody else in the market in terms of capital allocators. People are actually making decisions around money.”
Jenny Just predicts half of market participants will be female
“There is going to be a market correction. The correction is that half of the participants are going to identify as female.”
Just: PEAK6 has not had a single losing year in 28 years
“And, you know, we've had 28 years, never had a losing year.”
Just: PEAK6 rejected an equity derivatives deal with Jamie Dimon in 1999
“I said no to Jamie Dimon. So we were, we had a plan A, and it's 28 years later, we've never done our plan A. We were trying to get a bank to be our partner to do over-the-counter equity derivatives. That was what we were, that's what we left to go do. That's w…”
Jenny Just: Men learn strategy, capital allocation, and risk-taking earlier than women
“I didn't realize there's so many skills that men are learning at a very young age that women are not. They're learning strategy. They're learning capital allocation. They're learning just how to take risks, fail, and get back in the game.”
Jenny Just: Participation rates eventually equal underlying skill
“We see these kind of trends again and again, where participation rate eventually equals skill or ability.”
Jenny Just: PEAK6 has never had a losing year since inception
“And despite all the booms and bust cycles, the dot com, the financial crisis, COVID, Peak Six has never had a losing year.”
Jenny Just: $100 invested in PEAK6 in 1997 beat Apple's $180,000 return
“Bonds, a hundred dollars invested in 1997, now worth about 300 dollars. The market, about 700 dollars. Mr. Buffett, 1200 dollars. Apple, a 180,000 dollars. Peak six. Well, a hell of a lot more.”
Just: High-frequency trading firms don't take real risk
“They don't really take risk, and it's just about speed and efficiency.”
Jenny Just: Current AI market boom feels dot-com-esque
“It has a dot-com-esque because of AI feel to it, but we have, the Fed maybe is gonna raise a little bit more, but not.”
Jenny Just reveals PEAK6 holds massive options inventory for exogenous events
“Definitely not something our firm tries to make the call on, but we're saying it's ready. It's ready and it can if A handful of things happen, whatever the exogenous events, whatever it might be, and we want to be ready. And by the way, we might be wrong. We'l…”
Just: Professional traders lose money on roughly 45 percent of trades
“Starting in trading. Is really humbling. We lose. 40 five percent of the time.”
Just: Risk-taking is a learned skill, not an innate personality trait
“As much as I look like I take a lot of risk. Nobody would have called me a risk taker when I was younger. You can actually learn it.”
Just: Poker offers the best accessible simulation of options trading risk
“When I saw poker, it was the closest thing I've seen to the training I got as an options trader, right? Because people aren't just going to become options traders. First of all, there's not that many in the world, men or women, and I'm going to go study option…”
Just: Traders must amortize windfall years over a three-year timeframe
“We tell our traders too, when you have that great year, think about it over a three year timeframe. Don't think about it as today's money, right? We don't want, because traders can be like athletes in many ways, way too much money at too young of an age.”
Just: PEAK6 held a $13B valuation investment that went to zero
“I mean, you know, we've had some serious investments that have been Really big valuations that have gone to zero. Like we're talking, thirteen billion, a zero.”
Just: PEAK6 built an options trading system using retail inventory models
“It was Walgreens. It was Walmart. Like we created an inventory management system for options trading. And nobody had talked about that before. We literally had off the shelf models where everybody was like the smartest people were using, were creating the best…”
Just: Ignoring downside risk or past failures is a definite red flag
“I think that they have to be aggressive on the offensive opportunity. They do. But if they can't address anything defensively and or they cannot they have not shown where they have failed in the past or acknowledgement of failure in some form or fashion, wheth…”
Just: Learning poker earlier would have saved ten years of career mistakes
“And I also say, like, if I could have learned poker when I was younger, I think I would have saved 10 years out of mistakes in my career.”
Jenny Just: Apex Fintech Solutions powers the backend for over 60% of fintechs
“We are the back end for more than 60% of the fintechs out there.”
Jenny Just: Data shows no gender difference in investing behavior beyond participation
“There's no difference between investing between men and women.”
Just: Largest personal trading loss was tens of millions in seconds
“Tens of millions of dollars. In, in seconds, right? It's not even, you know, a whole day.”
Just: PEAK6 trades options on 3,000 to 4,000 public companies daily
“We're active in three to 4000 public company names in their option, in their options. Every single day. So we have a very, a broad, really broad portfolio.”
The other half of the tape: Jenny Just's own voice is left out of every number here. Other people bring the name up 11 times in 7 episodes across the shows. 1 statement on the record names them. every mention, with the transcript →
Who brings them up most Jason Calacanis 5Jason Koon 2David Friedberg 2Phil Hellmuth 1
Statements about Jenny Just, by other people (1)
Every mention by year
tap a year for its mentions
All-In 11
2025 3 mentions in 1 episode
2024 5 mentions in 3 episodes 2 per episode
2023 3 mentions in 3 episodes 1 per episode
- All-In Summit: Alexandra Botez takes on the Besties in a 1v4 simultaneous chess match
- E146: Did the Fed break the VC model? Plus IPOs, M&A, revaluing unicorns & more
- E137: Inflation cools, market rips, Ripple/MSFT beat regulators, NATO summit, cocktails of youth
- every mention in 2023, scene by scene →
One line per show, most statements first. The link opens Jenny's full record on that show: the calibration, argument clarity, speaking style and every statement made there.
| Show | Role there | Eps | Statements | Record | |
|---|---|---|---|---|---|
 BIGDEALLEDGER | Co-Founder and Managing Partner, PEAK6 Investments | 1 | 19 | 0% 0/2 | full record on BigDeal → |
| ALL-INLEDGER | Co-Founder and Managing Partner, PEAK6 Investments | 1 | 15 | 100% 2/2 | full record on All-In → |