Arcturus Therapeutics Holdings Inc
Arcturus Therapeutics Holdings Inc (ARCT) Unusual Options Activity Today
ARCT options volume power reached 83x on the previous trading day. The highest reading was on the $15 PUT expiring 2026-11-20.
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Checking ARCT unusual options activity helps you spot when traders are making outsized bets on Arcturus Therapeutics Holdings Inc before the broader market catches on. Arcturus Therapeutics Holdings Inc's unusual options activity flags contracts trading at multiples of their average daily volume, often signaling that informed money is positioning ahead of a catalyst. Use our scanner to monitor ARCT unusual options activity today and surface the prints that deserve a second look.
Unusual options flow typically refers to trades where volume vastly exceeds open interest at a given strike, or where total contract volume on a name spikes well above its norm. Watching ARCT unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking ARCT unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and ARCT unusual options flow data becomes especially valuable around earnings, product launches, and macro events.
Arcturus Therapeutics Holdings Inc., an RNA medicines company, focuses on the development of vaccines for infectious, and liver and respiratory rare diseases in the United States. The company's development programs comprise LUNAR-OTC development program for ornithine transcarbamylase (OTC) deficiency; and LUNAR-CF program for cystic fibrosis lung disease caused by mutations in cystic fibrosis transmembrane conductance regulator (CFTR) gene, as well as vaccine programs include LUNAR-COV19 and LUNAR-FLU. It has collaboration partnerships with Vinbiocare Biotechnology Joint Stock Company for the manufacture of COVID-19 vaccines; Janssen Pharmaceuticals, Inc.
to develop nucleic acid-based therapeutic candidates for the treatment of hepatitis B virus; Ultragenyx Pharmaceutical, Inc. to develop mRNA therapeutic candidates for rare disease targets; CureVac AG to develop mRNA therapeutic and vaccine candidates for various indications; Singapore Economic Development Board and Duke-NUS Medical School to develop LUNAR-COV19 vaccine; and Millennium Pharmaceuticals, Inc. to discover siRNA medicines for the treatment of non-alcoholic steatohepatitis. The company was founded in 2013 and is headquartered in San Diego, California.
Catalysts rarely arrive without a footprint, and ARCT unusual options activity is often where that footprint shows up first. Our scanner tracks Arcturus Therapeutics Holdings Inc's unusual options flow in real time, ranks prints by volume-to-open-interest, premium spent, and aggressor side, and separates real conviction from noise. Whether you're looking at ARCT unusual options volume on the call side or chasing put sweeps, Arcturus Therapeutics Holdings Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.
| 17.50 | 0.20 | 0.40 | 0.30 | 92% | 102 | 598 | 17.06% |
| 20.00 | 0.05 | 0.15 | 0.10 | 96% | 6 | 189 | 3.17% |
| 15.00 | 0.10 | 1.10 | 0.60 | 64% | 5 | 216 | 2.31% |
| 2.50 | 9.50 | 13.60 | 11.55 | 85% | 0 | 0 | — |
| 5.00 | 7.00 | 11.30 | 9.15 | 48% | 0 | 0 | — |
| 15.00 | 0.70 | 1.75 | 1.23 | 73% | 3 | 329 | 0.91% |
| 12.50 | — | 0.50 | 0.50 | 106% | 3 | 2,444 | 0.12% |
| 2.50 | — | 0.05 | 0.05 | 411% | 0 | 0 | — |
| 5.00 | — | 0.05 | 0.05 | 253% | 0 | 0 | — |
| 7.50 | — | 0.05 | 0.05 | 164% | 0 | 0 | — |
As of September 29, 2026
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