Question: SpaceX listed on Nasdaq 2026-06-12 (SPCX, priced $135). The lane's two testable legs are Liquidity Drain (mega-IPO allocations pull capital from the AI/Mag7 cohort) and Halo Bid (the listing validates the category, lifting space/AI adjacencies). Desk passes #1 (06-01) and #2 (06-04) graded these pre-listing and found no broad drain + a halo unwind into the print. This is the first post-listing re-grade.

Verdict: Neither leg fired. Primary confirms-sell-the-news; secondaries confirms-nothingburger (drain leg), confirms-dispersion (AI complex), and confirms-narrative-monopoly (the scarcity bid concentrated into SPCX, starving comps).

What we found

Tape from fresh per-watchlist summaries, 2026-06-17 ~08:25 PT intraday snapshot (~T+3). 7d change spans ~06-10→06-17, so it brackets the 06-12 listing + 3 post-listing sessions — a coarse but adequate event-window read. All figures code-computed (summaries), not prose math.

Leg 1 — Liquidity Drain (AI / Mag7 + AI-infra/power): NO.

The IPO pulled no capital out of the AI complex over the window. This lands exactly on the [[2026-06-03-ai-mega-ipo-macro-buffer-check-reserves-rrp]] base case (confirms-nothingburger): a $75B raise is a reallocation, not a reserve drain, and reserves are still "merely ample." The AI-infra/power strength is the lane's confirms-dispersion signature — the cohort is not trading as one bloc, so there is no SPCX flow to attribute the moves to.

Leg 2 — Halo Bid (space adjacencies): NO — sell-the-news, confirmed post-listing.

The space basket bled through the listing while SPCX itself ran. The only-way-to-play-AI/space scarcity premium concentrated into the single liquid vehicle and out of the adjacencies — the halo went inward, not outward (confirms-narrative-monopoly). ARKX's +2.9% is mechanical (it now carries SPCX exposure), not a comp re-rate; GSAT flat. This is desk pass #2's "sell-the-rumor unwind into the print" continuing past the print — the anticipatory bid was the trade, and there was no second leg for the comps.

Broad oxygen unchanged from the macro-buffer read: no abnormal SPY/QQQ/IWM/TLT stress to attribute.

Verdict + reasoning

The drain-vs-halo tell resolves to a self-contained event: SPCX absorbed the bid, space comps faded, the AI complex was indifferent. Both of the lane's headline cross-market mechanisms (drain, halo) tested null post-listing — the third independent confirmation that SPCX's behavior does not propagate cross-market.

Graduation check (parent thread criteria):

• #1 (SPCX explains cross-market behavior beyond the space basket) — does NOT fire. The opposite: SPCX moved neither the AI cohort nor the space basket. If anything it explains less than the lane hypothesized.
• #4 (≥3 desk passes need the classifier) — numerically reached (this is #3), but substantively weak. All three passes conclude the cross-market linkage is thin; the classifier has earned its keep as a falsifier (it kept the desk from mis-attributing the space-basket fade to a liquidity regime), not as a tradeable regime. Recommend keep-as-thread, do not graduate — promoting a thread whose own evidence argues against its central hypothesis would be backwards. Flagging the #4 threshold for the reviewer as a decision, not auto-promoting.

Trade read: unchanged and consistent with the post-IPO study — no action. The melt-up is a low-float vehicle phenomenon, not a category re-rate, so there is no halo trade in the comps to chase and no drain to fade in the AI cohort. The dated lockup overhang (Q2 earnings flip → Q3 → 180d) remains the only high-confidence SPCX-specific signal; the supported stance is still patience for the post-lockup reset. The space comps' weakness is sector-specific (LUNR/RDW/ASTS down on their own fundamentals/dilution), not SpaceX contagion — do not read it as a lane signal.

Next read: the dated passive-flow gates — FTSE Russell ~T+5 (~2026-06-18, tomorrow) and Nasdaq-100 Fast Entry ~T+15 (~2026-07-03) — test whether forced index demand produces observable support on the ~4% float. Those are flow tests (confirms-passive-flow-bid vs none), a different question from this behavioral tell.