SI378: When Prices Stop Making Sense ft. Mark Rzepczynski
Top Traders Unplugged
Niels Kaastrup-Larsen
4.8 • 712 Ratings
🗓️ 13 December 2025
⏱️ 63 minutes
🧾️ Download transcript
Summary
This episode examines markets through the lens of uncertainty rather than prediction. As the Federal Reserve delivers a rate cut amid dissent and conflicting signals, Alan and Mark explore what it means for systematic investors navigating noisy data, fragile liquidity and shifting regimes. The conversation moves from Fed credibility and term premia to bubbles, leverage and the limits of valuation in an environment shaped by narratives as much as fundamentals. Along the way, they return to a core question at the heart of systematic investing: when uncertainty rises and explanations multiply, should prices remain the final arbiter of risk, signal and portfolio design?
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Episode TimeStamps:
00:00 - Introduction to the Systematic Investor series
00:23 - Market context and recent CTA performance
02:41 - Initial reactions to the Fed decision and rate cut
03:12 - A messy Fed and the problem of dissenting signals
06:48 - Inflation, growth projections and policy uncertainty
08:31 - Signal versus noise in systematic trading models
11:22 - Employment data revisions and confidence in fundamentals
13:10 - Bond valuation, term premia and the question of safe assets
16:30 - Fiscal dominance, inflation risk and portfolio fragility
19:29 - Prices versus value and the limits of interpretation
22:47 - Narratives, reflexivity and momentum in markets
28:07 - Bubble dynamics, leverage and wealth effects
36:51 - Credit markets, AI investment and systemic risk
41:07 - Momentum, trend following and persistent market behavior
54:36 - Total portfolio approach and adaptive asset allocation
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Transcript
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| 0:00.0 | You're about to join Neil's Kostrup Larson on a raw and honest journey into the world of systematic investing and learn about the most dependable and consistent yet often overlooked investment strategy. |
| 0:13.0 | Welcome to the Systematic Investor Series. |
| 0:38.5 | Welcome back to the latest edition of Top Traders Unplugged, where each week we take the pulse of the market from the perspective of a rules-based investor. It's Alan Dunn here this week, sitting in for Neals. Niels is away on his travels in the US. And I'm delighted to be joined by Mark, who's in Chicago today. Mark, how are you? Not too bad. It's a little early in the day, and it's cold |
| 0:44.3 | out here in Chicago. So as what you would expect in December, but I'm ready to have a good discussion. |
| 0:51.7 | Good stuff. I was there, but six weeks ago, it was pretty, |
| 0:55.1 | pleasant at that stage. But yes, you would expect it to be getting chilly now. And appreciate |
| 0:59.9 | you getting up early to make time for this. So we've got plenty to talk about. We've had the |
| 1:06.8 | Fed out this week. We're recording on Thursday. So Fed was last night, so that would be a focus. |
| 1:13.3 | But we've got a number of other interesting topics. |
| 1:16.3 | But maybe just to kick off and to leave time for the remainder of the conversation just to cover performance. |
| 1:24.5 | So we're a little bit of a ways through the month at this stage and the Sochgen CTA index is down 78 basis points as of the 9th of December. |
| 1:36.3 | And the Sochgen trend indexed down 62 basis points. |
| 1:40.2 | So succgent CTA now down 2% on the year, 2.06%. |
| 1:44.6 | And the sock gen trend close to flat down 0.16%. |
| 1:49.1 | So not a whole lot, I would say, to talk about in terms of December performance. |
| 1:56.2 | Mark, any observations on performance this month or the general trajectory? |
| 2:00.2 | Obviously, we've seen generally better performance over the last few months. |
| 2:04.5 | Absolutely. |
| 2:05.6 | We've seen a lot better trends in some key markets as we moved into the end of the year. |
| 2:11.8 | We've seen performance for a number of CTAs that have improved over this period. |
| 2:16.8 | But now that the Fed is done, usually now we're starting to get into holiday mode. |
| 2:21.6 | And that has a big impact on liquidity. |
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