2 metas decaying now

narrativeX

Every narrative has a half-life.

narrativeX measures how long a memecoin meta holds attention before it loses half of it. One number per meta, recalculated every hour.

Measured, not vibed Ignition, peak, decay. Every meta since 2021, scored on the same curve and published the day it breaks.

How long each meta survived

Days from ignition to the moment daily volume fell to half its peak. Lower is faster. The chart reloads itself as new metas break and old ones finish decaying.

31median half-life, days
14metas in the index
6fastest half-life, days

syncing

  • Dog coins 2021168
  • AI agents 202496
  • Frog derivatives 202374
  • Agent swarms live54
  • Election coins 202451
  • Animal derivatives 202344
  • Science memes 202438
  • Robotics coins 202631
  • Sports metas 202527
  • Quantum coins 202522
  • Lunar New Year 202517
  • Food coins 202512
  • Celebrity launches 20259
  • Soundbite coins 20266

Half-life is the number of days between a meta's ignition and the first day its volume closes at half of peak.

Three moments, one curve

Attention decays in a shape we can fit. narrativeX marks the same three points on every meta, so a 2021 dog coin and a Tuesday soundbite are finally comparable.

t₀ ignition peak half-life volume = 50% of peak long tail, not counted
t₀
Ignition. The first 24 hours in which a shared label appears across three or more unrelated launches and volume clears the noise floor.
max
Peak. The highest rolling daily volume the meta ever prints. Everything after this is the part people argue about on the way down.
t½
Half-life. The day volume closes at half of peak, and the number we publish. Revivals start a new clock rather than extending the old one.

On the clock right now

Metas with an ignition date and no half-life yet. Ages tick in real time; the estimate firms up as the curve fills in.

Agent swarmsIgnited 28 July 2026
—age, days
~62t½ estimate
Decaying
Prediction-market memesIgnited 2 September 2026
—age, days
?pre-peak
Rising
Robotics coinsIgnited 11 June 2026
—age, days
31t½ confirmed
Cold
Longevity coinsIgnited 19 August 2026
—age, days
~24t½ estimate
Decaying
Meme-stock crossoversIgnited 14 September 2026
—age, days
?pre-peak
Rising

Take the chart. It's yours.

The index is free to embed, quote and redraw. Credit narrativeX and link back, and the numbers stay current wherever you put them.

<script src="https://narrativex.xyz/embed.js" data-chart="half-life-index"></script>
  • Live SVG that updates on every redraw
  • Light and dark, sized to its container
  • CSV and JSON at the same endpoint

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Connect a Solana wallet for the full dataset, ignition alerts, and the chart as a PNG you can drop straight into a story. Read-only: narrativeX never asks you to sign anything.

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