Notable Tuesday Option Activity: ED, OMER, LQDA

Omeros Corp (OMER) saw unusually heavy options activity—18,250 contracts traded today, equivalent to roughly 1.8 million underlying shares or about 104.6% of its one‑month average daily share volume—with concentrated activity in the $15 call expiring Jan. 16, 2026 (5,141 contracts, ~514,100 shares). Liquidia Corp (LQDA) likewise experienced elevated options flow—24,986 contracts, roughly 2.5 million underlying shares or about 100.3% of its one‑month average—with the $25 put expiring Dec. 19, 2025 trading particularly actively (3,010 contracts, ~301,000 shares). The scale and concentration of these trades—nearly matching or exceeding daily stock volume—signal significant directional positioning or hedging interest in both names that investors and risk managers should monitor.

Analysis

Omeros Corp (OMER) experienced unusually large options activity today with 18,250 contracts traded, equivalent to roughly 1.8 million underlying shares or about 104.6% of its one‑month average daily volume of 1.7 million shares; activity concentrated in the $15 call expiring Jan 16, 2026 with 5,141 contracts (~514,100 shares). Liquidia Corp (LQDA) registered 24,986 option contracts (~2.5 million underlying shares), equal to ~100.3% of its one‑month average daily volume, led by the $25 put expiring Dec 19, 2025 with 3,010 contracts (~301,000 shares).

The concentration of large call activity in OMER points to notable bullish positioning or hedging demand tied to longer‑dated upside exposure, while the heavy put flow in LQDA signals either directional bearish bets or protection by existing shareholders. Per the provided signals, OMER’s per‑ticker sentiment is modestly positive (0.3) and LQDA modestly negative (-0.3), and the market‑impact score (0.3) implies these flows are significant for the individual names but unlikely to move broader markets.

Investors should expect elevated implied volatility and potential liquidity swings around these strikes and expiries; monitor open interest changes and trade prints to distinguish buy‑side aggression from market‑maker hedging, and manage sizing given concentrated notional exposure into Dec 2025/Jan 2026 expiries.

Key Decisions for Investors

• Monitor open interest and trade prints for the $15 Jan 16, 2026 OMER calls and confirm buy‑side aggression before adding bullish exposure, consider small, defined‑risk call spreads if directional conviction follows
• Treat the $25 Dec 19, 2025 LQDA put flow as a bearish signal or hedging demand—reduce net long exposure or hedge existing positions with puts or put spreads rather than adding naked long risk
• Avoid initiating large equity positions into names with outsized options flow; prefer defined‑risk option strategies to manage potential volatility spikes and reassess after open interest or IV settles