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⚡ US nuclear newbuild stays blocked by regulation — none of the new reactors ship

Chamath's claim is that US nuclear is a regulatory problem, not a technology problem: permitting, zoning and NIMBYism are so constipated that the greatest reactor design in the world still can't get built, and the American companies selling Gen-3/Gen-4 and small modular reactors have no demonstrated capacity — 'none of them work'. Bearish the listed US SMR/advanced-reactor names, which are priced off a buildout that the regulatory stack will not permit on this timeline.

0 CONVICTION
peaked 35.4 EMBER
EMBER
band · contested
▼ SHORT SMR
expression · bearish energy
MISS
outcome · R -31.5% · α -58.1%
2024-09-01
window closed

⚖ Why this verdict

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

  1. Window: 2023-09-01 → 2024-09-01 — first mention + 12-month horizon, then the window locks.
  2. The call: ▼ SHORT SMR (primary play). SMR rose 31.5% over the window → direction-adjusted R = -31.5% (the call lost money).
  3. Benchmark: holding SPY over the same window returned +26.7%α = -31.5 − (+26.7) = -58.1% — what this call made or lost against just owning the index. This is the number the verdict uses.
    Stock-selection read: -4.8% — 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 | opposed: Jason

Conviction timeline

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

Plays vs SPY · % since first mention (2023-09-01)

Plays

expressionsymbolkindrelevancerationale
▼ SHORT SMRstock PRIMARY NuScale — the pure-play listed US small modular reactor developer, valued entirely on getting a first project permitted and built
▼ SHORT BWXTstock adjacent reactor components and advanced-reactor programs; carries the same US newbuild-permitting risk

Mention log

Chamath
Chamath energy w=0.55 · n=22 · E144 (2023-09-01) · explicit_prediction · strength 3 ▶ 52:44 SUPPORT
“My big comment in my thread is just more that I think that the regulatory support in the United States for nuclear is so constipated that it's impossible to get it done. So you could have the greatest technology in the world. I just don't see how the laws change fast enough and the zoning changes fast enough and the NIMBY-ism goes away to make these things viable.”
Jason
Jason energy w=1.00 · n=17 · E144 (2023-09-01) · sentiment · strength 1 ▶ 55:01 OPPOSE
“We have plenty of companies building these new nuclear reactors.”
Friedberg
Friedberg energy w=0.78 · n=18 · E148 (2023-10-07) · sentiment · strength 2 ▶ 53:22 SUPPORT
“There's a lot of regulatory capture and incumbency that wants to see these things not succeed. I think we're really denying ourselves, in many cases, the opportunity to realize progress because we're so concerned about any loss. Nuclear fission is a really great example of this. Three Mile Island accident and Fukushima.”
Friedberg
Friedberg energy w=0.78 · n=18 · E184 (2024-06-20) · sentiment · strength 2 ▶ 18:52 SUPPORT
“In the US., we're not building any and our cost to build them is about 10,000 bucks a kilowatt.”
DO
Donald Trump (guest ×0.5) no energy track record · E184 (2024-06-20) · sentiment · strength 1 ▶ 19:16 SUPPORT
“And the inspectors would go in, they say those walls aren't thick enough, knock them down and build another wall. And the environmental people were brutal.”
Chamath
Chamath energy w=0.55 · n=22 · E189 (2024-07-26) · sentiment · strength 1 ▶ 1:37:21 SUPPORT
“So the only solution is to rewrite the regulation?”
Friedberg
Friedberg energy w=0.78 · n=18 · E189 (2024-07-26) · sentiment · strength 2 ▶ 1:37:25 SUPPORT
“We have to get nuclear going in the United States, and these systems are safe. They are scalable.”

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

Friedberg
Friedberg w=0.78
3 scoring events · 44% of moves
+34.7 → net +34.7
Chamath
Chamath w=0.55
2 scoring events · 35% of moves
+28.0 → net +28.0
Jason
Jason w=1.00
1 scoring event · 12% of moves
+0.0 / -9.6 → net -9.6
DO
Donald Trump guest ×0.5
1 scoring event · 9% of moves
+7.4 → net +7.4

⏳ decay drained -31.6 over the idea's life — that's time passing, attributed to no one

Score events

episodekindΔafternote
E144 2023-09-01 init +22.9 22.9 E144 born by Chamath (explicit_prediction x3) [w=0.55]
E144 2023-09-01 oppose -9.6 13.3 E144 Jason opposes x1
E146 2023-09-22 decay -0.5 12.8 E146 silent
E147 2023-09-29 decay -0.5 12.3 E147 silent
E148 2023-10-07 reinforce +15.4 27.6 E148 Friedberg support x2 (new voice) [w=0.78]
E149 2023-10-13 decay -1.1 26.5 E149 silent
E150 2023-10-20 decay -1.1 25.5 E150 silent
E151 2023-10-27 decay -1.0 24.4 E151 silent
E152 2023-11-03 decay -1.0 23.5 E152 silent
E156 2023-12-08 decay -0.9 22.5 E156 silent
E157 2023-12-16 decay -0.9 21.6 E157 silent
E158 2023-12-23 decay -0.9 20.8 E158 silent
E159 2023-12-29 decay -0.8 19.9 E159 silent
E160 2024-01-06 decay -0.8 19.1 E160 silent
E161 2024-01-13 decay -0.8 18.4 E161 silent
E162 2024-01-19 decay -0.7 17.6 E162 silent
E163 2024-01-26 decay -0.7 16.9 E163 silent
E164 2024-02-02 decay -0.7 16.2 E164 silent
E165 2024-02-09 decay -0.6 15.6 E165 silent
E166 2024-02-16 decay -0.6 15.0 E166 silent
E167 2024-02-23 decay -0.6 14.4 E167 silent
E168 2024-03-01 decay -0.6 13.8 E168 silent
E169 2024-03-08 decay -0.6 13.2 E169 silent
E170 2024-03-15 decay -0.5 12.7 E170 silent
E171 2024-03-22 decay -0.5 12.2 E171 silent
E172 2024-03-29 decay -0.5 11.7 E172 silent
E173 2024-04-05 decay -0.5 11.3 E173 silent
E174 2024-04-12 decay -0.5 10.8 E174 silent
E175 2024-04-19 decay -0.4 10.4 E175 silent
E176 2024-04-26 decay -0.4 10.0 E176 silent
E177 2024-05-03 decay -0.4 9.6 E177 silent
E178 2024-05-10 decay -0.4 9.2 E178 silent
E179 2024-05-17 decay -0.4 8.8 E179 silent
E180 2024-05-24 decay -0.4 8.5 E180 silent
E181 2024-05-31 decay -0.3 8.1 E181 silent
E182 2024-06-07 decay -0.3 7.8 E182 silent
E183 2024-06-14 decay -0.3 7.5 E183 silent
E184 2024-06-20 reinforce +10.8 18.3 E184 Friedberg support x2 [w=0.78]
E184 2024-06-20 reinforce +7.4 25.6 E184 Donald Trump support x1 (new voice) [w=0.50]
E185 2024-06-29 decay -1.0 24.6 E185 silent
E186 2024-07-04 decay -1.0 23.6 E186 silent
E187 2024-07-12 decay -0.9 22.7 E187 silent
E188 2024-07-19 decay -0.9 21.8 E188 silent
E189 2024-07-26 reinforce +5.1 26.9 E189 Chamath support x1 [w=0.55]
E189 2024-07-26 reinforce +8.5 35.4 E189 Friedberg support x2 [w=0.78]
E190 2024-08-02 decay -1.4 34.0 E190 silent
E191 2024-08-09 decay -1.4 32.6 E191 silent
E192 2024-08-16 decay -1.3 31.3 E192 silent
E193 2024-08-23 decay -1.3 30.1 E193 silent
E194 2024-08-30 decay -1.2 28.9 E194 silent