Propose a part

The Light Report

What the lab found this week.

Written by the lab from its own record, never by hand and never by a model. Each Monday at 00:00 UTC it closes the week and signs it. Follow it at /feed.xml, or read it as JSON at /v1/reports.

This week so far · 2–8 November 2026 · not signed yet

38 notebooks, 165 parts measured. 19 results held up twice. 2 results did not hold. 4 trading rules measured on a live market.

Notebooks
38
Parts measured
165
Helped
40
Hurt
29
Runs
117,456
Compute
$13.62

What held up twice

  1. Answer only−39.7 points (−44.4 to −35.0) on Markets maths, Haiku 5.5 with thinking off, across #038, #039
  2. Cautious risk manager−15.0 points (−18.2 to −11.8) on Agent safety, Haiku 5.5 with thinking off, across #019, #035
  3. Calculator tool+11.9 points (+9.4 to +14.5) on Markets maths, Haiku 5.5 with thinking off, across #038, #039
  4. Thinking on+9.4 points (+7.1 to +11.6) on Markets maths, Haiku 5.5 with thinking off, across #038, #039
  5. Double-check+7.6 points (+5.1 to +10.1) on Markets maths, Haiku 5.5 with thinking off, across #038, #039
  6. Verify token before ordering−6.0 points (−8.1 to −3.9) on Agent safety, Haiku 5.5 with thinking off, across #031, #035
  7. A penalty threat+6.0 points (+3.2 to +8.7) on DeFi maths, Haiku 5.5 with thinking off, across #003, #036
  8. Read the question again+5.2 points (+2.7 to +7.6) on DeFi maths, Haiku 5.5 with thinking off, across #003, #005, #007
  9. Speed is everything−5.0 points (−6.6 to −3.3) on Agent safety, Haiku 5.5 with thinking off, across #026, #037
  10. Only the first message rules+4.5 points (+2.9 to +6.1) on Agent safety, Haiku 5.5 with thinking off, across #012, #035
  11. Solve it two ways−4.0 points (−5.5 to −2.5) on Agent safety, Haiku 5.5 with thinking off, across #019, #037
  12. Spotlight the data+3.5 points (+2.4 to +4.7) on Agent safety, Haiku 5.5 with thinking on, across #020, #040
  13. Wallet on the line−3.1 points (−4.6 to −1.8) on Agent safety, Haiku 5.5 with thinking off, across #012, #037
  14. Shouted warning+2.7 points (+1.7 to +3.7) on Agent safety, Haiku 5.5 with thinking on, across #009, #040
  15. Never exceed the limit+2.7 points (+1.6 to +3.8) on Agent safety, Haiku 5.5 with thinking on, across #027, #040
  16. Untrusted-data rule+2.3 points (+1.3 to +3.2) on Agent safety, Haiku 5.5 with thinking on, across #009, #040
  17. Shouted warning+2.2 points (+1.0 to +3.4) on Agent safety, Haiku 5.5 with thinking off, across #002, #035
  18. Only the first message rules+2.2 points (+1.3 to +3.1) on Agent safety, Haiku 5.5 with thinking on, across #013, #014
  19. Wallet on the line+0.2 points (−0.6 to +1.0) on Agent safety, Haiku 5.5 with thinking on, across #013, #014

What did not hold

  1. Important to my careerstopped early at −15.6 (INHIBITS); at full size −2.8 (UNRESOLVED), on DeFi maths, Haiku 5.5 with thinking off. Notebook #036
  2. Verify token before orderingstopped early at −19.8 (INHIBITS); at full size −2.3 (UNRESOLVED), on DeFi maths, Haiku 5.5 with thinking off. Notebook #036

The largest effects at full size

  1. INHIBITSAnswer only−39.2 points (−46.1 to −32.4), 432 pairs, on Markets maths, Haiku 5.5 with thinking off. Notebook #039
  2. INHIBITSCautious risk manager−15.4 points (−20.5 to −10.7), 432 pairs, on Agent safety, Haiku 5.5 with thinking off. Notebook #035
  3. EXCITESCalculator tool+11.9 points (+8.2 to +16.1), 432 pairs, on Markets maths, Haiku 5.5 with thinking off. Notebook #039

Trading rules on a live market

  1. EXCITESBuy in the first minuteOn launches on Elysium: +4.8 points a trade against a coin flip (+0.5 to +11.7), 40 trades. A rule, never a coin; not financial advice.
  2. UNRESOLVEDWait for ten buysOn launches on Elysium: +4.2 points a trade against a coin flip (−39.4 to +56.1), 5 trades. A rule, never a coin; not financial advice.
  3. UNRESOLVEDBuy after a doubleOn launches on Elysium: +14.1 points a trade against a coin flip (−49.3 to +98.7), 3 trades. A rule, never a coin; not financial advice.
  4. UNRESOLVEDDo not chaseOn launches on Elysium: +17.8 points a trade against a coin flip (−3.5 to +46.4), 15 trades. A rule, never a coin; not financial advice.

Where OPSIN was wrong

  1. Cautious risk managerIt predicted INERT; the verdict was INHIBITS −15.4, on Agent safety, Haiku 5.5 with thinking off. Notebook #035
  2. Calculator toolIt predicted INERT; the verdict was EXCITES +11.9, on Markets maths, Haiku 5.5 with thinking off. Notebook #039
  3. Output order in fixed formatIt predicted INERT; the verdict was INHIBITS −8.0, on DeFi maths, Haiku 5.5 with thinking off. Notebook #033

The lab’s own checks

  1. PlaceboA do-nothing line came out clear in 6 of 38 notebooks.
  2. ControlsThe unchanged agent differed from itself in 2 of 38 notebooks.
  3. PredictionsOPSIN called 59 of 165 verdicts before the beacon drew the tasks.

What it tests next

  1. Solve it two waysDeFi maths. Came back EXCITES (+5.3, +2.7 to +8.0) in Notebook #021; a second, independent draw of tasks shows whether it holds
  2. Trust the market dataAgent safety. Came back EXCITES (+2.3, +0.5 to +4.3) in Notebook #026; a second, independent draw of tasks shows whether it holds
  3. Never exceed the limitAgent safety. Came back EXCITES (+2.8, +0.7 to +5.0) in Notebook #026; a second, independent draw of tasks shows whether it holds