Insider buying last 90 days
No open-market insider purchases were filed for MIAX in the last 90 days.
From Form 4 filings, dated to when each was filed.
Oct 12 close
Miami International's week is shaped by analyst recalibration and fresh operating data. Morgan Stanley reiterated a Hold rating while cutting its target price to $43, and a separate roundup showed the 12-month price target trimmed to $47.4 from $48.8 across 5 analysts, with forecasts ranging from $35 to $62. Alongside this, MIAX reported September 2026 trading results showing a 22.0% year-to-date increase in options average daily volume, a record 10.983 million contracts, and market share reaching 17.1%, even as shares touched a new 52-week low of $32.74.
MIAX closes at $30.00, down 2.3%, sitting below both its 50-day average of $39.70 and 200-day average of $42.22. Trailing returns show a 1-month decline of 27.7%, a 3-month decline of 27.4%, and 6-month and 1-year declines of 30.1% each, within a 52-week range of $29.21 to $57.14. The GekkoIndex reads 71, placing the stock in the Buying zone, while price sits 31% below Gekko Fair Value of $43.49.
Earnings are due on 29 October 2026, 17 days away, falling inside a typical 20-trading-day holding window; the last report on 5 August 2026 showed EPS of $0.48 against a $0.41 estimate with a 0.3% reaction, continuing a streak of 5 beats in 5 quarters. No insider or Congress activity appears in the past 90 days, and no unusual options signals appear in the past 30 days, though one billionaire holder is recorded. Analyst coverage spans 6 firms with 3 buy and 3 hold ratings, no sells, and a consensus target of $48.8, implying 62.7% upside from current levels.
Written by AI from the Oct 12, 2026 close and checked automatically against the figures on this page.
Miami International scores 2 supportive, 0 mixed and 2 headwinds across the 4 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
2 supportive0 mixed2 headwinds
Below 50 and 200-day
Close $30.00 is below the 50-day ($39.70) and 200-day ($42.22) averages, and the 50-day is below the 200-day.
See the chart71, Buying
Reading 71 is in the Buying zone.
See the GekkoIndex31.0% below
Price is 31% below Gekko Fair Value (more than 5% below).
See fair valueNo data
No insider, Congress or unusual options activity in the window.
See smart moneyReports in 17 days
Reports on Oct 29, 2026, 17 days away — inside a typical 20-trading-day hold.
See earningsNo data
Not enough years of history for a seasonal read.
A description of current data, not a recommendation. How this page works
Miami International closed at $30.00 on Oct 12, 2026, −30.1% over the past year, inside a 52-week range of $29.21 to $57.14.
Use the left and right arrow keys to read daily values.
Put MIAX on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
Miami International brings together a group of exchanges that let investors trade options, futures, and stocks in one corporate family. Its options venues carry the names MIAX Options, MIAX Pearl, MIAX Emerald, and MIAX Sapphire, and stock trading runs through MIAX Pearl Equities. A separate platform, MIAX Futures, handles contracts in U.S. futures and related options, including ones based on hard red spring wheat.
The company also connects traders to listings abroad through BSX and TISE, and it works on the back end of trades as well, clearing U.S. futures and options under the MIAX Futures Clearing name. Through its subsidiary Dorman Trading, a futures commission merchant, it offers trade execution and clearing to a mix of clients, among them introducing brokers, retail traders, institutions, and professional market participants.
The company dates back to 2007 and runs its operations out of Princeton, New Jersey. Investors can find its shares on the NYSE, trading under the ticker MIAX.
Miami International’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 71, in the Buying zone, up 1.6 points over five sessions.
Up 1.6 points over five sessions, from the Accumulation zone.
Reading for Oct 12, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying (current zone) | 20 | −2.2% | +7.8% | ||
| Accumulation | 86 | +0.5% | +2.3% | ||
| Neutral | 149 | +0.2% | −0.1% | ||
| Distribution | 31 | +0.5% | +0.1% | ||
| Selling | 0 | Not available | |||
Average MIAX share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Buying readings averaged +3.1% over 20 days. Past behaviour doesn’t guarantee future results.
Buying zone: Smart money likely accumulating heavily. About the five zones →
Miami International trades 31.0% below Gekko Fair Value of $43.49, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Miami International shares are worth, recalculated every trading day.
$43.49
Gekko Fair Value, Oct 10, 2026
31.0% Undervalued
At the end of Aug 2026 the price was 11.8% below the estimate.
No open-market insider purchases were filed for Miami International, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
No open-market insider purchases were filed for MIAX in the last 90 days.
From Form 4 filings, dated to when each was filed.
No trades in MIAX were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Miami International has been buying back its own shares.
From company filings.
1of the funds Gekko tracks holds MIAX.
Miami International reports on Oct 29, 2026 (17 days away), and beat the EPS estimate in 5 of its last 5 reports.
Oct 29, 2026
17 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 5, 2026 | $0.48 est $0.41 | $141.1M est $135.9M | +0.3% |
| May 6, 2026 | $0.42 est $0.36 | $128.6M est $122.8M | +4.3% |
| Feb 25, 2026 | $0.52 est $0.41 | $124.5M est $120.6M | +5.8% |
| Nov 5, 2025 | $0.42 est $0.31 | $339.8M est $120.6M | +6.1% |
| Sep 3, 2025 | $0.46 est $0.00 | — | −2.3% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for Miami International is $48.80, +62.7% from the last close, from 6 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 6 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Oct 9 | Morgan Stanley | $43 | +43.3% |
| Oct 7 | KBW | $35 | +16.7% |
| Oct 7 | Piper Sandler | $52 | +73.3% |
| Oct 2 | Piper Sandler | $52 | +73.3% |
| Oct 2 | Rosenblatt Securities | $62 | +106.7% |
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Miami International’s market cap is $2.90B, with a P/E ratio of 30.7 and revenue of $1.47B over the last twelve months.
Coverage of Miami International this week reads neutral: 2 positive, 3 neutral and 2 negative headlines.
Miami International’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| GSGoldman Sachs | Accumulation | 12.8% below |
| SCHWCharles Schwab | Accumulation | 13.6% below |
| IBKRInteractive Brokers | Accumulation | 8.8% below |
| CMECME | Neutral | 0.5% below |
| HOODRobinhood Markets | Accumulation | 7.5% below |
| BNYBank of New York Mellon | Accumulation | 10.2% below |
A peer links to its own page where one exists.
Miami International’s market cap is $2.90B at the Oct 12, 2026 close of $30.00, with 99.23M shares outstanding. The shares trade on a P/E ratio of 30.7.
The consensus analyst 12-month price target for Miami International is $48.80, +62.7% from the last close. Of the 6 firms that rated the stock in the last 90 days, 3 rate it a buy, 3 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate Miami International is undervalued: the Oct 12, 2026 close of $30.00 is 31.0% below Gekko Fair Value of $43.49. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
Miami International is expected to report on Oct 29, 2026 (17 days away). Analysts expect earnings of $0.38 per share on revenue of $131.9M. Miami International beat the earnings estimate in 5 of its last 5 reports, moving 3.8% on average across the report.
Miami International’s 52-week high is $57.14 and its 52-week low is $29.21; it closed at $30.00 on Oct 12, 2026, −30.1% over the past year.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 2 of the 4 items with data read as supportive (gekkoindex and fair value) and 2 as headwinds (trend and earnings risk). The checklist is a description of current data, not a recommendation.
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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