SpaceX's IPO pricing is locked. The retail allocation is not. Charles Schwab, Fidelity, Robinhood, SoFi, and Morgan Stanley's E-Trade have all confirmed they will make shares available to retail clients, but none have disclosed final share counts or per-account caps. That silence is the signal. Brokerages are still negotiating with underwriters over how many shares reach Main Street versus institutional books, and the fact that this is happening publicly—after pricing—is rare.

The IPO structure itself is conventional. SpaceX priced at $420 per share, raising approximately $21 billion at a $210 billion post-money valuation. Goldman Sachs and Morgan Stanley are lead underwriters. What is unconventional is the retail allocation process extending past pricing disclosure. Typically, brokerages finalize retail commitments before the pricing call. Here, platforms are still collecting indications of interest and have not published allocation formulas. Hanmi Semiconductor disclosed a $33 million direct SpaceX stake on Friday, part of a broader pre-IPO positioning wave that began weeks ago. The IPO roadshow closed Tuesday. Shares are expected to begin trading Thursday under ticker SPAX.

This matters because it exposes tension in the underwriting syndicate's retail strategy. Retail demand is structural—SpaceX has brand gravity that transcends traditional aerospace comps. But the underwriters also face institutional demand that could absorb the entire offering twice over. The decision to let brokerages continue negotiating post-pricing suggests either that retail allocations were undersized in the initial syndicate agreement, or that institutional demand came in heavier than expected and underwriters are clawing back retail share. Either way, the delay signals a pricing and allocation structure that was not fully locked when the roadshow concluded. That is uncommon for a $21 billion raise and suggests late-stage changes to the distribution waterfall.

Operators and allocators should watch three things. First, final per-account allocation caps from Schwab and Fidelity, which will surface by Tuesday and will reveal whether retail is being rationed to $5,000 per account or given meaningful size. Second, first-day trading volume and institutional block activity, which will show whether underwriters held back a secondary tranche for stabilization or if this was a true full-float event. Third, lock-up expiration disclosures, expected within 10 days of the pricing—SpaceX employees hold significant pre-IPO equity, and the lock-up terms will govern secondary supply for the next 180 days.

Hanmi Semiconductor's 50 billion won stake was disclosed Friday, a 12% single-session gain in Seoul. The investment was made pre-IPO, likely at a discount to the $420 public price. That gap—between pre-IPO private placements and retail IPO access—is where the allocation tension lives. Retail is being offered the same price as institutions, but not the same size. The brokerages are still sorting out how much.