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⚡ US SMR buildout stalls on NIMBY and unproven technology

Big Tech's small-modular-reactor announcements don't turn into operating US reactors: Sacks argues local communities block them wherever they get sited and calls elite pro-nuclear enthusiasm a luxury belief, while Chamath argues no next-generation SMR actually works anywhere yet, so the Amazon/Google/Microsoft deals are conditional signalling rather than risk capital. Friedberg and Jason take the other side on economic necessity and available land.

0 CONVICTION
peaked 39.4 EMBER
DORMANT
band · contested
▼ SHORT SMR
expression · bearish energy
MISS
outcome · R -143.0% · α -158.0%
2025-10-18
window closed

⚖ Why this verdict

fully deterministic — evaluate.py replays this from daily closes; nothing below is editable or hand-set

  1. Window: 2024-10-18 → 2025-10-18 — first mention + 12-month horizon, then the window locks.
  2. The call: ▼ SHORT SMR (primary play). SMR rose 143.0% over the window → direction-adjusted R = -143.0% (the call lost money).
  3. Benchmark: holding SPY over the same window returned +15.0%α = -143.0 − (+15.0) = -158.0% — what this call made or lost against just owning the index. This is the number the verdict uses.
    Stock-selection read: -128.0% — did SMR move the predicted way relative to the market. The two only differ on a SHORT: this call was right about direction relative to the index but still cost money versus holding it.
  4. Rule fired:
    · HIT — R ≥ +10% AND α ≥ +5
    · PARTIAL — R ≥ +5% OR α ≥ 0
    ▶ MISS — everything else
  5. Credit: supporters of a MISS earn 0 each, opposers the inverse — this feeds the scoreboard weights. supported: Chamath, Friedberg, Sacks | opposed: Jason

Conviction timeline

bands: green ≥ 65 · watch ≥ 45 · ember ≥ 15

Plays vs SPY · % since first mention (2024-10-18)

Plays

expressionsymbolkindrelevancerationale
▼ SHORT SMRstock PRIMARY NuScale is the listed SMR pure-play and re-rates on deployment news, not on conditional LOIs
▼ SHORT BWXTstock adjacent reactor component and small-reactor manufacturer levered to US newbuild actually starting
▼ SHORT OKLOstock adjacent pre-revenue advanced-fission developer priced entirely on a permitting/deployment narrative

Mention log

Sacks
Sacks energy w=0.94 · n=16 · E200 (2024-10-18) · explicit_prediction · strength 3 ▶ 51:47 SUPPORT
“I don't think anyone wants a nuclear power plant in their backyard. It's really simple. I mean, no matter what the benefits are for AI or for America's global competitiveness, I just don't think your typical community wants a nuclear power plant in their backyard. And I don't think it matters that much if it's a small modular one either.”
Chamath
Chamath energy w=0.55 · n=22 · E200 (2024-10-18) · explicit_prediction · strength 3 ▶ 1:02:27 SUPPORT
“SMRs don't work yet. We have theoretical ways in which we can profile and model that they work, but we don't have a functional one that people can look at and inspect.”
Friedberg
Friedberg energy w=0.78 · n=18 · E200 (2024-10-18) · explicit_prediction · strength 3 ▶ 48:57 OPPOSE
“that it might be the fastest path to solving this energy gap problem is SMRs”
Jason
Jason energy w=1.00 · n=17 · E200 (2024-10-18) · sentiment · strength 2 ▶ 53:39 OPPOSE
“I mean, I think there's plenty of land outside of the triangle here in Texas, where there is no density and you could put one and I'd have no problem with there being one 100 miles, 200 miles.”
Friedberg
Friedberg energy w=0.78 · n=18 · E212 (2025-01-25) · explicit_prediction · strength 3 ▶ 1:30:42 OPPOSE
“we have new Gen 4 technologies that are meltdown proof, that have a totally different architecture where there isn't a setup, where you have runaway heat and ultimately a collapse of the reactor and a release of radioactive material, which is what happened at Chernobyl. These new systems, which we highlighted on the show a couple of months ago, like the Pebble Bed Reactor that's been in production making electricity in China, are incredible new technology architectures and they're here and they're running.”
Chamath
Chamath energy w=0.55 · n=22 · E212 (2025-01-25) · sentiment · strength 2 ▶ 1:34:58 SUPPORT
“Yeah, the downside is the amount of time it takes to adequately build these things properly. The thing that China has had is, it's as Thomas' chart shows, is decades of practice in building things safely and quickly. We can build things, but we haven't had the practice to build them either safely or quickly because we haven't built any.”
Chamath
Chamath energy w=0.55 · n=22 · E218 (2025-03-08) · explicit_prediction · strength 2 ▶ 28:07 SUPPORT
“OK, if you ordered one today, the fastest that you can get it turned on is 2030 The fastest that you can get nuclear turned on is 2035 So we don't have the ability to generate incremental electricity very quickly, but for renewables.”
Friedberg
Friedberg energy w=0.78 · n=18 · E225 (2025-04-26) · explicit_prediction · strength 2 ▶ 1:25:36 SUPPORT
“So the regulatory constraints need to be addressed first and foremost. That's, in my opinion, the number one mission critical strategic comparative for the United States right now.”
Chamath
Chamath energy w=0.55 · n=22 · E225 (2025-04-26) · explicit_prediction · strength 2 ▶ 1:23:03 SUPPORT
“This was an area that China chose, and now, you know, the US finds itself years behind on a technology that we invented, right? So this was research that happened at Oak Ridge National Lab.”
Chamath
Chamath energy w=0.55 · n=22 · E229 (2025-05-24) · sentiment · strength 2 ▶ 1:29:30 SUPPORT
“So then it's like, okay, what can I do? Nuclear? I can't, because that'll take till 2035”
Jason
Jason energy w=1.00 · n=17 · E229 (2025-05-24) · sentiment · strength 1 ▶ 1:23:18 OPPOSE
“I saw yesterday the Tennessee Valley Authority filed the first ever application for a small modular reactor. Let's go. Hopefully, it gets approved very quickly.”
Jason
Jason energy w=1.00 · n=17 · E236 (2025-07-19) · sentiment · strength 2 ▶ 55:18 OPPOSE
“This is, I think, Gavin, one of the great upshots of the AI boom is that the AI companies, whether it's Meta or Google, they're so motivated that they'll actually go and upgrade the infrastructure. They'll invest in the, you know, small modular nuclear reactors that are coming.”
PH
Phil Deutch (guest ×0.5) no energy track record · E238 (2025-08-09) · positioning · strength 2 ▶ 1:00:38 OPPOSE
“Yeah, so in the small modular reactor, Gen 4 stuff, we as well as others have investments there. A great company we like called X Energy.”

Who built this conviction

each voice's total force on the score — supports and opposes from every mention, weighted exactly as the replay applied them · share = % of all mention-driven movement

Chamath
Chamath w=0.55
5 scoring events · 27% of moves
+40.8 → net +40.8
Sacks
Sacks w=0.94
1 scoring event · 26% of moves
+39.4 → net +39.4
Jason
Jason w=1.00
3 scoring events · 22% of moves
+0.0 / -33.6 → net -33.6
Friedberg
Friedberg w=0.78
3 scoring events · 21% of moves
+9.1 / -22.4 → net -13.3
PH
Phil Deutch guest ×0.5
1 scoring event · 4% of moves
+0.0 / -6.0 → net -6.0

⏳ decay drained -26.1 over the idea's life — that's time passing, attributed to no one

Score events

episodekindΔafternote
E200 2024-10-18 init +39.4 39.4 E200 born by Sacks (explicit_prediction x3) [w=0.94]
E200 2024-10-18 oppose -11.2 28.2 E200 Friedberg opposes x3 [w=0.78]
E200 2024-10-18 oppose -12.0 16.2 E200 Jason opposes x2
E200 2024-10-18 reinforce +12.3 28.5 E200 Chamath support x3 (new voice) [w=0.55]
E201 2024-10-25 decay -1.1 27.4 E201 silent
E202 2024-11-01 decay -1.1 26.3 E202 silent
E203 2024-11-08 decay -1.1 25.2 E203 silent
E204 2024-11-16 decay -1.0 24.2 E204 silent
E205 2024-11-23 decay -1.0 23.3 E205 silent
E206 2024-12-07 decay -0.9 22.3 E206 silent
E207 2024-12-13 decay -0.9 21.4 E207 silent
E208 2024-12-20 decay -0.9 20.6 E208 silent
E209 2025-01-04 decay -0.8 19.8 E209 silent
E210 2025-01-11 decay -0.8 19.0 E210 silent
E211 2025-01-18 decay -0.8 18.2 E211 silent
E212 2025-01-25 oppose -11.2 7.0 E212 Friedberg opposes x3 [w=0.78]
E212 2025-01-25 reinforce +7.6 14.6 E212 Chamath support x2 [w=0.55]
E213 2025-01-31 decay -0.6 14.0 E213 silent
E214 2025-02-07 decay -0.6 13.5 E214 silent
E215 2025-02-15 decay -0.5 12.9 E215 silent
E216 2025-02-21 decay -0.5 12.4 E216 silent
E217 2025-03-01 decay -0.5 11.9 E217 silent
E218 2025-03-08 reinforce +7.2 19.1 E218 Chamath support x2 [w=0.55]
E219 2025-03-15 decay -0.8 18.4 E219 silent
E220 2025-03-22 decay -0.7 17.6 E220 silent
E221 2025-03-29 decay -0.7 16.9 E221 silent
E222 2025-04-05 decay -0.7 16.2 E222 silent
E223 2025-04-11 decay -0.6 15.6 E223 silent
E224 2025-04-19 decay -0.6 15.0 E224 silent
E225 2025-04-26 reinforce +7.0 21.9 E225 Chamath support x2 [w=0.55]
E225 2025-04-26 reinforce +9.1 31.0 E225 Friedberg support x2 (flipped from oppose) [w=0.78]
E226 2025-05-02 decay -1.2 29.8 E226 silent
E227 2025-05-09 decay -1.2 28.6 E227 silent
E228 2025-05-17 decay -1.1 27.5 E228 silent
E229 2025-05-24 oppose -9.6 17.9 E229 Jason opposes x1
E229 2025-05-24 reinforce +6.7 24.6 E229 Chamath support x2 [w=0.55]
E231 2025-06-13 decay -1.0 23.6 E231 silent
E232 2025-06-21 decay -0.9 22.7 E232 silent
E233 2025-06-28 decay -0.9 21.7 E233 silent
E234 2025-07-04 decay -0.9 20.9 E234 silent
E235 2025-07-11 decay -0.8 20.0 E235 silent
E236 2025-07-19 oppose -12.0 8.0 E236 Jason opposes x2
E237 2025-08-01 decay -0.3 7.7 E237 silent
E238 2025-08-09 oppose -6.0 1.7 E238 Phil Deutch opposes x2 [w=0.50]
E239 2025-08-15 decay -0.1 1.7 E239 silent
E240 2025-08-22 decay -0.1 1.6 E240 silent
E241 2025-08-29 decay -0.1 1.5 E241 silent
E242 2025-09-07 decay -0.1 1.5 E242 silent
E243 2025-09-19 decay -0.1 1.4 E243 silent
E244 2025-09-27 decay -0.1 1.3 E244 silent
E245 2025-10-03 decay -0.1 1.3 E245 silent
E246 2025-10-10 decay -0.1 1.2 E246 silent
E247 2025-10-17 decay -0.0 1.2 E247 silent