Proto Labs Inc

PRLBNYSE · USD
87.58USD+1.16 (+1.35%)
699

Proto Labs Inc (PRLB) Options Open Interest

PRLB options open interest is 1,373 contracts. The 2-week average daily volume is 65 contracts across the chain.

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Monitoring PRLB open interest helps you see where real money is positioned on Proto Labs Inc's options and which strikes are attracting the most commitment from traders. Proto Labs 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 PRLB 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 PRLB 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 Proto Labs Inc to settle.

Proto Labs, Inc., together with its subsidiaries, operates as an e-commerce driven digital manufacturer of custom prototypes and on-demand production parts in the worldwide. The company offers injection molding; computer numerical control machining; three-dimensional (3D) printing, which include stereolithography, selective laser sintering, direct metal laser sintering, multi jet fusion, polyjet, and carbon DLS processes; and sheet metal fabrication products, including quick-turn and e-commerce-enabled custom sheet metal parts. It serves developers and engineers, who use 3D computer-aided design software to design products across a range of end markets.

The company was incorporated in 1999 and is headquartered in Maple Plain, Minnesota.

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where PRLB open interest is concentrated. Our scanner maps Proto Labs 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 Proto Labs Inc's options open interest as the signal it is, not as an afterthought.

2026-10-16
Calls
95.000.551.501.0338%+0.208577
85.003.805.704.7540%+0.591361
70.0015.1017.7016.408%+1.000050
90.001.952.952.4539%+0.388222
80.007.108.908.0041%+0.777514
Puts
85.002.354.703.5345%-0.413444
75.002.402.4074%-0.211940
80.001.402.902.1551%-0.264226
65.000.850.8582%-0.085120
60.001.151.15107%-0.084913

As of September 17, 2026

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Track PRLB open interest across every strike and expiration, identify where conviction is building, and trade with the positioning data on your side.

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