Stocks / Investment Banking
MIAXInvestment Banking
Miami International Holdings, Inc.
$42.711d +5.1%5d -3.0%settled close · 2026-09-03
Mkt cap $3.7B (3/25)β 0.3852w $36–57Shares 91.7MInd. Security Brokers, Dealers & Flotation CompaniesNYSE since 2025Emp. 439HQ Princeton, NJmiaxglobal.com
Who’s talkingIdea Scout · free
Who’s talking about MIAX
No tracked investor commentary on MIAX yet — the corpus grows weekly.
Idea Scout tracks who’s
talking across television, podcasts, and interviews — every stance
dated to the appearance it came from.
Sign up free →
The options tapeThe Brief · paid
Notable options days
Sessions in the last 120 where MIAX’s settled options volume ran ≥ 2× its trailing 20-session baseline, or delta-dollar flow ran ≥ 2.5× — 11 of 120 sessions qualified.
The qualifying dates are the free record. Close, flow, call/LEAPS mix and the 20-session outcome — for every session below — are Brief subscriber content.
| Date | Close | RVOL | Δ$ flow ($M) | Call % | LEAPS % | +20 sess. |
|---|---|---|---|---|---|---|
| 2026-09-03 | ||||||
| 2026-08-31 | ||||||
| 2026-08-12 | ||||||
| 2026-08-11 | ||||||
| 2026-08-10 | ||||||
| 2026-08-05 | ||||||
| 2026-07-02 | ||||||
| 2026-06-11 | ||||||
| 2026-06-03 | ||||||
| 2026-05-15 | ||||||
| 2026-05-14 |
+20 sess. = raw price change over the following 20
sessions — not market-adjusted; the tape tells you where to look,
not what happens next.
Today’s tape on
MIAX is in this morning’s Brief.
Get The Brief — $20/mo →
Play history
The Playbook · coming
Has a validated strategy ever fired on MIAX?
Has a validated strategy ever fired on MIAX — and how did the trades resolve? Even “never fired” is information.
Fire-by-fire history — play, entry, exit,
result — is Playbook member content (coming).
| Fired | Play | Entry | Exit | Result |
|---|---|---|---|---|
Every play carries a written
validation gate, a spec, and a changelog.
How plays are validated