Pacific Biosciences of California Inc
Pacific Biosciences of California Inc (PACB) Options Open Interest
PACB options open interest is 71,598 contracts. The 2-week average daily volume is 1,192 contracts across the chain.
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Monitoring PACB open interest helps you see where real money is positioned on Pacific Biosciences of California Inc's options and which strikes are attracting the most commitment from traders. Pacific Biosciences of California Inc's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor PACB options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising PACB options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect Pacific Biosciences of California Inc to settle.
Pacific Biosciences of California, Inc. designs, develops, and manufactures sequencing systems to resolve genetically complex problems. The company provides PacBio's Systems, which conduct, monitor, and analyse biochemical sequencing reactions; consumable products, including single molecule real-time (SMRT) cells; and various reagent kits designed for specific workflow, such as template preparation kit to convert DNA into SMRTbell double-stranded DNA library formats, including molecular biology reagents, such as ligase, buffers, and exonucleases. It also offers binding kits, such as modified DNA polymerase used to bind SMRTbell libraries to the polymerase in preparation for sequencing; and sequencing kits comprise reagents required for on-instrument, real-time sequencing, including the phospholinked nucleotides.
The company serves research institutions; commercial laboratories; genome centers; public health labs, hospitals and clinical research institutes, contract research organizations, and academic institutions; pharmaceutical companies; and agricultural companies. It markets its products through a direct sales force in North America and Europe, as well as through distribution partners in Asia, Europe, the Middle East, Africa, and Latin America. Pacific Biosciences of California, Inc. has a development and commercialization agreement with Invitae Corporation. The company was formerly known as Nanofluidics, Inc. and changed its name to Pacific Biosciences of California, Inc. in 2005. Pacific Biosciences of California, Inc. was incorporated in 2000 and is headquartered in Menlo Park, California.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where PACB open interest is concentrated. Our scanner maps Pacific Biosciences of California Inc's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade Pacific Biosciences of California Inc's options open interest as the signal it is, not as an afterthought.
| 1.50 | — | 0.15 | 0.15 | 133% | +0.4765 | 325 |
| 2.00 | — | 0.05 | 0.05 | 136% | +0.2057 | 210 |
| 1.00 | 0.30 | 0.45 | 0.38 | 61% | +0.9772 | 22 |
| 0.50 | 0.50 | 1.25 | 0.88 | 186% | +0.9877 | 1 |
| 3.00 | — | 0.40 | 0.40 | 479% | +0.5223 | 1 |
| 1.50 | 0.15 | 0.30 | 0.23 | 99% | -0.5748 | 71 |
| 1.00 | — | 0.10 | 0.10 | 192% | -0.1924 | 11 |
| 2.00 | 0.25 | 1.00 | 0.63 | 59% | -0.9876 | 10 |
| 0.50 | — | 0.05 | 0.05 | 340% | -0.0601 | 0 |
| 3.00 | 1.25 | 2.00 | 1.63 | 132% | -0.9766 | 0 |
As of September 18, 2026
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