MIAX entered June with an uncomfortable dynamic: a cluster of executive sales in early May, a stock now down nearly 14% on the week, and short sellers adding positions at the fastest rate in months.
The insider angle is the one worth watching closely. On May 4 alone, nine executives sold shares simultaneously — including CEO Tom Gallagher, who offloaded roughly 54,200 shares at $47.26, raising approximately $2.6 million. The CFO Lance Emmons followed on May 15, selling 35,000 shares at $56.36 for just under $2 million. The CIO sold 48,000 shares on the same day as the CEO. In total, net insider sales over the trailing 90 days reached approximately $29 million across more than 650,000 shares. The stock at the time of those early-May trades was already well off its highs. It has since slipped further, closing at $42.51 on June 2 — below the price at which most of those sales were executed.
Short sellers noticed. Short interest jumped 52% in a single week, climbing from around 2.3 million shares to 3.5 million, pushing the SI % of free float to 4.3%. That's still not extreme in absolute terms, but the pace of accumulation is notable. The ORTEX short score, which had been running in the low-30s through most of May, ticked up to 36.5 — a modest but consistent move higher since May 26 when short interest first surged. Crucially, the borrow market remains wide open: availability is running at over 2,400% of short interest, meaning there is no constraint on adding new short positions. Cost to borrow at 0.43% is effectively negligible. There is no squeeze pressure here — just a growing directional bet.
The options market tells a calmer story. The put/call ratio is 0.55, only marginally above its 20-day average of 0.52, and the z-score of 0.84 puts it well inside normal range. The 52-week PCR high of 2.71 shows the market has seen far more defensive posturing before; right now, options traders are not rushing for protection. That divergence from short sellers is the tension in the setup — one group is adding directional bets, the other is not hedging hard.
Analysts appear unbothered by the recent price action. After Q1 results on May 6 — where MIAX beat EPS estimates ($0.42 vs $0.38) and topped revenue forecasts ($128.6M vs $122.5M) — several firms lifted targets. JP Morgan raised its target to $45 while holding Neutral; Keefe Bruyette raised to $48 at Market Perform; Rosenblatt nudged to $61 maintaining Buy. The consensus mean target is $49.20, implying around 16% upside from current levels. Morgan Stanley, which holds an Overweight, raised its target to $50 back in April. The direction of Street travel post-earnings was positive. The bear case rests not on fundamentals — May average daily volume of 10.8 million contracts was up 23.7% year-on-year — but on valuation: the stock trades at roughly 25.6x earnings, and the EV/EBITDA multiple has compressed nearly 2.5 points over 30 days as the price has corrected. The EPS momentum picture is strong, ranking in the 91st percentile on 30-day forward momentum and 96th percentile on earnings surprise, which supports the bull view that the selloff is a price dislocation rather than a fundamental deterioration.
Institutional ownership adds one more piece of context. Horizon Kinetics is the largest disclosed holder at 7.8% of shares, having added almost 3.95 million shares in the most recent reported period — a very substantial position build. BlackRock added 479,000 shares and Citadel added nearly a million. The buying from institutional names through Q1 and into May stands in contrast to the wave of insider selling concentrated on May 4. Whether that divergence reflects different time horizons or different reads on valuation is the central question the June 16 earnings report will start to answer.
With next earnings confirmed for June 16, the market will get a fresh read on whether Q1's beat was a trend or a one-off. The setup walking in — a stock down 10% over the month, short interest rising fast, insider selling fresh in memory, but analysts still constructive and institutional buyers recently active — makes that print a more charged event than usual.
See the live data behind this article on ORTEX.
Open MIAX on ORTEX →ORTEX Market Intelligence content is generated by AI from a snapshot of ORTEX's proprietary data. Content is informational only and does not constitute investment advice.
